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10、Windows10 上，在窗口左侧向右滑动打开 SplitView 的 Pane面板

　　昨天想在 uwp 上实现，在 SplitView 控件的左侧，通过手指滑动打开 SplitView 的 Pane 面板，

而不仅仅是通过 “汉堡按钮” 点击打开。

　　在 stackoverflow 看到一个帖子，有讨论一个方案，然后看了一下里面的一个 github 工程，实现了

SwipeableSplitView（工程连接），不过下载代码分析了一下，代码量太大，通过继承 SplitView 控件，添加很多 xaml 和

C# 代码，有点复杂了。于是想了一个简单的方式，直接控制 SplitView 中 Template 的 CompositeTransform 和

VisualTransition 属性就可以了，几十行 C# 代码就能搞定。

1、运行效果 （VS2015 创建的 win10 UWP 工程）

　　1）在 phone上：

　　2）在 win10 pc 上：

2、分析 SplitView 控件的模板（只用来分析，并不使用）

　　1）在空白页面中，添加一个 SplitView，在文档大纲中，右键单击 SplitView 控件，选择编辑副本：

　　2）在生成的代码中，可以看到，当前 SplitView 控件的组成部分：

　　这里重点使用 PaneRoot 中的 PaneTransform 属性，和视觉状态属性中的 VisualTransition From="Closed" To="OpenOverlayLeft" 属性。

　　 VS 所有生成的 SplitView 的 Template 代码：

  1   <ControlTemplate x:Key="SplitViewControlTemplate1" TargetType="SplitView">
  2             <Grid Background="{TemplateBinding Background}">
  3                 <VisualStateManager.VisualStateGroups>
  4                     <VisualStateGroup x:Name="DisplayModeStates">
  5                         <VisualStateGroup.Transitions>
  6                             <VisualTransition From="Closed" To="OpenOverlayLeft">
  7                                 <Storyboard>
  8                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
  9                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
 10                                     </ObjectAnimationUsingKeyFrames>
 11                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
 12                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
 13                                     </ObjectAnimationUsingKeyFrames>
 14                                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneTransform" Storyboard.TargetProperty="TranslateX">
 15                                         <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.NegativeOpenPaneLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
 16                                         <SplineDoubleKeyFrame KeyTime="0:0:0.35" KeySpline="0.1,0.9 0.2,1.0" Value="0"/>
 17                                     </DoubleAnimationUsingKeyFrames>
 18                                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneClipRectangleTransform" Storyboard.TargetProperty="TranslateX">
 19                                         <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.OpenPaneLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
 20                                         <SplineDoubleKeyFrame KeyTime="0:0:0.35" KeySpline="0.1,0.9 0.2,1.0" Value="0"/>
 21                                     </DoubleAnimationUsingKeyFrames>
 22                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="LightDismissLayer" Storyboard.TargetProperty="Visibility">
 23                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
 24                                     </ObjectAnimationUsingKeyFrames>
 25                                 </Storyboard>
 26                             </VisualTransition>
 27                             <VisualTransition From="Closed" To="OpenOverlayRight">
 28                                 <Storyboard>
 29                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
 30                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
 31                                     </ObjectAnimationUsingKeyFrames>
 32                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="HorizontalAlignment">
 33                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Right"/>
 34                                     </ObjectAnimationUsingKeyFrames>
 35                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="HorizontalAlignment">
 36                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Left"/>
 37                                     </ObjectAnimationUsingKeyFrames>
 38                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
 39                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
 40                                     </ObjectAnimationUsingKeyFrames>
 41                                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneTransform" Storyboard.TargetProperty="TranslateX">
 42                                         <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.OpenPaneLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
 43                                         <SplineDoubleKeyFrame KeyTime="0:0:0.35" KeySpline="0.1,0.9 0.2,1.0" Value="0"/>
 44                                     </DoubleAnimationUsingKeyFrames>
 45                                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneClipRectangleTransform" Storyboard.TargetProperty="TranslateX">
 46                                         <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.NegativeOpenPaneLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
 47                                         <SplineDoubleKeyFrame KeyTime="0:0:0.35" KeySpline="0.1,0.9 0.2,1.0" Value="0"/>
 48                                     </DoubleAnimationUsingKeyFrames>
 49                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="LightDismissLayer" Storyboard.TargetProperty="Visibility">
 50                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
 51                                     </ObjectAnimationUsingKeyFrames>
 52                                 </Storyboard>
 53                             </VisualTransition>
 54                             <VisualTransition From="ClosedCompactLeft" To="OpenCompactOverlayLeft">
 55                                 <Storyboard>
 56                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition1" Storyboard.TargetProperty="Width">
 57                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.CompactPaneGridLength, FallbackValue=0, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
 58                                     </ObjectAnimationUsingKeyFrames>
 59                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.Column)">
 60                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
 61                                     </ObjectAnimationUsingKeyFrames>
 62                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
 63                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
 64                                     </ObjectAnimationUsingKeyFrames>
 65                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
 66                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
 67                                     </ObjectAnimationUsingKeyFrames>
 68                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
 69                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
 70                                     </ObjectAnimationUsingKeyFrames>
 71                                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneClipRectangleTransform" Storyboard.TargetProperty="TranslateX">
 72                                         <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.NegativeOpenPaneLengthMinusCompactLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
 73                                         <SplineDoubleKeyFrame KeyTime="0:0:0.35" KeySpline="0.1,0.9 0.2,1.0" Value="0"/>
 74                                     </DoubleAnimationUsingKeyFrames>
 75                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="LightDismissLayer" Storyboard.TargetProperty="Visibility">
 76                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
 77                                     </ObjectAnimationUsingKeyFrames>
 78                                 </Storyboard>
 79                             </VisualTransition>
 80                             <VisualTransition From="ClosedCompactRight" To="OpenCompactOverlayRight">
 81                                 <Storyboard>
 82                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition1" Storyboard.TargetProperty="Width">
 83                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="*"/>
 84                                     </ObjectAnimationUsingKeyFrames>
 85                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition2" Storyboard.TargetProperty="Width">
 86                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.CompactPaneGridLength, FallbackValue=0, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
 87                                     </ObjectAnimationUsingKeyFrames>
 88                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
 89                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
 90                                     </ObjectAnimationUsingKeyFrames>
 91                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
 92                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
 93                                     </ObjectAnimationUsingKeyFrames>
 94                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="HorizontalAlignment">
 95                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Right"/>
 96                                     </ObjectAnimationUsingKeyFrames>
 97                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="HorizontalAlignment">
 98                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Left"/>
 99                                     </ObjectAnimationUsingKeyFrames>
100                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
101                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
102                                     </ObjectAnimationUsingKeyFrames>
103                                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneClipRectangleTransform" Storyboard.TargetProperty="TranslateX">
104                                         <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.OpenPaneLengthMinusCompactLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
105                                         <SplineDoubleKeyFrame KeyTime="0:0:0.35" KeySpline="0.1,0.9 0.2,1.0" Value="0"/>
106                                     </DoubleAnimationUsingKeyFrames>
107                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="LightDismissLayer" Storyboard.TargetProperty="Visibility">
108                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
109                                     </ObjectAnimationUsingKeyFrames>
110                                 </Storyboard>
111                             </VisualTransition>
112                             <VisualTransition From="OpenOverlayLeft" To="Closed">
113                                 <Storyboard>
114                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
115                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
116                                     </ObjectAnimationUsingKeyFrames>
117                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
118                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
119                                     </ObjectAnimationUsingKeyFrames>
120                                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneTransform" Storyboard.TargetProperty="TranslateX">
121                                         <SplineDoubleKeyFrame KeyTime="0:0:0.12" KeySpline="0.1,0.9 0.2,1.0" Value="{Binding TemplateSettings.NegativeOpenPaneLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
122                                     </DoubleAnimationUsingKeyFrames>
123                                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneClipRectangleTransform" Storyboard.TargetProperty="TranslateX">
124                                         <SplineDoubleKeyFrame KeyTime="0:0:0.12" KeySpline="0.1,0.9 0.2,1.0" Value="{Binding TemplateSettings.OpenPaneLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
125                                     </DoubleAnimationUsingKeyFrames>
126                                 </Storyboard>
127                             </VisualTransition>
128                             <VisualTransition From="OpenOverlayRight" To="Closed">
129                                 <Storyboard>
130                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
131                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
132                                     </ObjectAnimationUsingKeyFrames>
133                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="HorizontalAlignment">
134                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Right"/>
135                                     </ObjectAnimationUsingKeyFrames>
136                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="HorizontalAlignment">
137                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Left"/>
138                                     </ObjectAnimationUsingKeyFrames>
139                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
140                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
141                                     </ObjectAnimationUsingKeyFrames>
142                                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneTransform" Storyboard.TargetProperty="TranslateX">
143                                         <SplineDoubleKeyFrame KeyTime="0:0:0.12" KeySpline="0.1,0.9 0.2,1.0" Value="{Binding TemplateSettings.OpenPaneLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
144                                     </DoubleAnimationUsingKeyFrames>
145                                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneClipRectangleTransform" Storyboard.TargetProperty="TranslateX">
146                                         <SplineDoubleKeyFrame KeyTime="0:0:0.12" KeySpline="0.1,0.9 0.2,1.0" Value="{Binding TemplateSettings.NegativeOpenPaneLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
147                                     </DoubleAnimationUsingKeyFrames>
148                                 </Storyboard>
149                             </VisualTransition>
150                             <VisualTransition From="OpenCompactOverlayLeft" To="ClosedCompactLeft">
151                                 <Storyboard>
152                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition1" Storyboard.TargetProperty="Width">
153                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.CompactPaneGridLength, FallbackValue=0, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
154                                     </ObjectAnimationUsingKeyFrames>
155                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.Column)">
156                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
157                                     </ObjectAnimationUsingKeyFrames>
158                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
159                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
160                                     </ObjectAnimationUsingKeyFrames>
161                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
162                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
163                                     </ObjectAnimationUsingKeyFrames>
164                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
165                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
166                                     </ObjectAnimationUsingKeyFrames>
167                                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneClipRectangleTransform" Storyboard.TargetProperty="TranslateX">
168                                         <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="0"/>
169                                         <SplineDoubleKeyFrame KeyTime="0:0:0.12" KeySpline="0.1,0.9 0.2,1.0" Value="{Binding TemplateSettings.NegativeOpenPaneLengthMinusCompactLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
170                                     </DoubleAnimationUsingKeyFrames>
171                                 </Storyboard>
172                             </VisualTransition>
173                             <VisualTransition From="OpenCompactOverlayRight" To="ClosedCompactRight">
174                                 <Storyboard>
175                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition1" Storyboard.TargetProperty="Width">
176                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="*"/>
177                                     </ObjectAnimationUsingKeyFrames>
178                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition2" Storyboard.TargetProperty="Width">
179                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.CompactPaneGridLength, FallbackValue=0, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
180                                     </ObjectAnimationUsingKeyFrames>
181                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
182                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
183                                     </ObjectAnimationUsingKeyFrames>
184                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
185                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
186                                     </ObjectAnimationUsingKeyFrames>
187                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="HorizontalAlignment">
188                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Right"/>
189                                     </ObjectAnimationUsingKeyFrames>
190                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="HorizontalAlignment">
191                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Left"/>
192                                     </ObjectAnimationUsingKeyFrames>
193                                     <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
194                                         <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
195                                     </ObjectAnimationUsingKeyFrames>
196                                     <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneClipRectangleTransform" Storyboard.TargetProperty="TranslateX">
197                                         <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="0"/>
198                                         <SplineDoubleKeyFrame KeyTime="0:0:0.12" KeySpline="0.1,0.9 0.2,1.0" Value="{Binding TemplateSettings.OpenPaneLengthMinusCompactLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
199                                     </DoubleAnimationUsingKeyFrames>
200                                 </Storyboard>
201                             </VisualTransition>
202                         </VisualStateGroup.Transitions>
203                         <VisualState x:Name="Closed"/>
204                         <VisualState x:Name="ClosedCompactLeft">
205                             <Storyboard>
206                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition1" Storyboard.TargetProperty="Width">
207                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.CompactPaneGridLength, FallbackValue=0, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
208                                 </ObjectAnimationUsingKeyFrames>
209                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.Column)">
210                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
211                                 </ObjectAnimationUsingKeyFrames>
212                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
213                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
214                                 </ObjectAnimationUsingKeyFrames>
215                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
216                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
217                                 </ObjectAnimationUsingKeyFrames>
218                                 <DoubleAnimation Storyboard.TargetName="PaneClipRectangleTransform" Storyboard.TargetProperty="TranslateX" To="{Binding TemplateSettings.NegativeOpenPaneLengthMinusCompactLength, RelativeSource={RelativeSource Mode=TemplatedParent}}" Duration="0:0:0"/>
219                             </Storyboard>
220                         </VisualState>
221                         <VisualState x:Name="ClosedCompactRight">
222                             <Storyboard>
223                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition1" Storyboard.TargetProperty="Width">
224                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="*"/>
225                                 </ObjectAnimationUsingKeyFrames>
226                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition2" Storyboard.TargetProperty="Width">
227                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.CompactPaneGridLength, FallbackValue=0, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
228                                 </ObjectAnimationUsingKeyFrames>
229                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
230                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
231                                 </ObjectAnimationUsingKeyFrames>
232                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
233                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
234                                 </ObjectAnimationUsingKeyFrames>
235                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
236                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="2"/>
237                                 </ObjectAnimationUsingKeyFrames>
238                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="HorizontalAlignment">
239                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Right"/>
240                                 </ObjectAnimationUsingKeyFrames>
241                                 <DoubleAnimation Storyboard.TargetName="PaneClipRectangleTransform" Storyboard.TargetProperty="TranslateX" To="{Binding TemplateSettings.OpenPaneLengthMinusCompactLength, RelativeSource={RelativeSource Mode=TemplatedParent}}" Duration="0:0:0"/>
242                             </Storyboard>
243                         </VisualState>
244                         <VisualState x:Name="OpenOverlayLeft">
245                             <Storyboard>
246                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
247                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
248                                 </ObjectAnimationUsingKeyFrames>
249                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
250                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
251                                 </ObjectAnimationUsingKeyFrames>
252                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="LightDismissLayer" Storyboard.TargetProperty="Visibility">
253                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
254                                 </ObjectAnimationUsingKeyFrames>
255                             </Storyboard>
256                         </VisualState>
257                         <VisualState x:Name="OpenOverlayRight">
258                             <Storyboard>
259                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
260                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
261                                 </ObjectAnimationUsingKeyFrames>
262                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="HorizontalAlignment">
263                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Right"/>
264                                 </ObjectAnimationUsingKeyFrames>
265                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
266                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
267                                 </ObjectAnimationUsingKeyFrames>
268                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="HorizontalAlignment">
269                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Left"/>
270                                 </ObjectAnimationUsingKeyFrames>
271                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="LightDismissLayer" Storyboard.TargetProperty="Visibility">
272                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
273                                 </ObjectAnimationUsingKeyFrames>
274                             </Storyboard>
275                         </VisualState>
276                         <VisualState x:Name="OpenInlineLeft">
277                             <Storyboard>
278                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.Column)">
279                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
280                                 </ObjectAnimationUsingKeyFrames>
281                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
282                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
283                                 </ObjectAnimationUsingKeyFrames>
284                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
285                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
286                                 </ObjectAnimationUsingKeyFrames>
287                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
288                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
289                                 </ObjectAnimationUsingKeyFrames>
290                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
291                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
292                                 </ObjectAnimationUsingKeyFrames>
293                             </Storyboard>
294                         </VisualState>
295                         <VisualState x:Name="OpenInlineRight">
296                             <Storyboard>
297                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition1" Storyboard.TargetProperty="Width">
298                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="*"/>
299                                 </ObjectAnimationUsingKeyFrames>
300                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition2" Storyboard.TargetProperty="Width">
301                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.OpenPaneGridLength, FallbackValue=0, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
302                                 </ObjectAnimationUsingKeyFrames>
303                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
304                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
305                                 </ObjectAnimationUsingKeyFrames>
306                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
307                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
308                                 </ObjectAnimationUsingKeyFrames>
309                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="(Grid.Column)">
310                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
311                                 </ObjectAnimationUsingKeyFrames>
312                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
313                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
314                                 </ObjectAnimationUsingKeyFrames>
315                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="HorizontalAlignment">
316                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Left"/>
317                                 </ObjectAnimationUsingKeyFrames>
318                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
319                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
320                                 </ObjectAnimationUsingKeyFrames>
321                             </Storyboard>
322                         </VisualState>
323                         <VisualState x:Name="OpenCompactOverlayLeft">
324                             <Storyboard>
325                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition1" Storyboard.TargetProperty="Width">
326                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.CompactPaneGridLength, FallbackValue=0, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
327                                 </ObjectAnimationUsingKeyFrames>
328                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.Column)">
329                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
330                                 </ObjectAnimationUsingKeyFrames>
331                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
332                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
333                                 </ObjectAnimationUsingKeyFrames>
334                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
335                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
336                                 </ObjectAnimationUsingKeyFrames>
337                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
338                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
339                                 </ObjectAnimationUsingKeyFrames>
340                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="LightDismissLayer" Storyboard.TargetProperty="Visibility">
341                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
342                                 </ObjectAnimationUsingKeyFrames>
343                             </Storyboard>
344                         </VisualState>
345                         <VisualState x:Name="OpenCompactOverlayRight">
346                             <Storyboard>
347                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition1" Storyboard.TargetProperty="Width">
348                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="*"/>
349                                 </ObjectAnimationUsingKeyFrames>
350                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ColumnDefinition2" Storyboard.TargetProperty="Width">
351                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.CompactPaneGridLength, FallbackValue=0, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
352                                 </ObjectAnimationUsingKeyFrames>
353                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentRoot" Storyboard.TargetProperty="(Grid.ColumnSpan)">
354                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="1"/>
355                                 </ObjectAnimationUsingKeyFrames>
356                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
357                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
358                                 </ObjectAnimationUsingKeyFrames>
359                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="HorizontalAlignment">
360                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Right"/>
361                                 </ObjectAnimationUsingKeyFrames>
362                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="HorizontalAlignment">
363                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Left"/>
364                                 </ObjectAnimationUsingKeyFrames>
365                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
366                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
367                                 </ObjectAnimationUsingKeyFrames>
368                                 <ObjectAnimationUsingKeyFrames Storyboard.TargetName="LightDismissLayer" Storyboard.TargetProperty="Visibility">
369                                     <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
370                                 </ObjectAnimationUsingKeyFrames>
371                             </Storyboard>
372                         </VisualState>
373                     </VisualStateGroup>
374                 </VisualStateManager.VisualStateGroups>
375 
376                 <Grid.ColumnDefinitions>
377                     <ColumnDefinition x:Name="ColumnDefinition1" Width="{Binding TemplateSettings.OpenPaneGridLength, FallbackValue=0, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
378                     <ColumnDefinition x:Name="ColumnDefinition2" Width="*"/>
379                 </Grid.ColumnDefinitions>
380 
381                 <!-- Content Area -->
382                 <Grid x:Name="ContentRoot" Grid.ColumnSpan="2">
383                     <Border Child="{TemplateBinding Content}"/>
384                     <Rectangle x:Name="LightDismissLayer" Fill="Transparent" Visibility="Collapsed"/>
385                 </Grid>
386 
387                 <!-- Pane Content Area-->
388                 <Grid
389                     x:Name="PaneRoot"
390                     Grid.ColumnSpan="2"
391                     HorizontalAlignment="Left"
392                     Visibility="Collapsed"
393                     Background="{TemplateBinding PaneBackground}"
394                     Width="{Binding TemplateSettings.OpenPaneLength, RelativeSource={RelativeSource Mode=TemplatedParent}}">
395                     <Grid.Clip>
396                         <RectangleGeometry x:Name="PaneClipRectangle">
397                             <RectangleGeometry.Transform>
398                                 <CompositeTransform x:Name="PaneClipRectangleTransform"/>
399                             </RectangleGeometry.Transform>
400                         </RectangleGeometry>
401                     </Grid.Clip>
402                     <Grid.RenderTransform>
403                         <CompositeTransform x:Name="PaneTransform"/>
404                     </Grid.RenderTransform>
405                     <Border Child="{TemplateBinding Pane}"/>
406                     <Rectangle 
407                         x:Name="HCPaneBorder"
408                         x:DeferLoadStrategy="Lazy"
409                         Visibility="Collapsed"
410                         Fill="{ThemeResource SystemControlForegroundTransparentBrush}"
411                         Width="1"
412                         HorizontalAlignment="Right"/>
413                 </Grid>
414             </Grid>
415         </ControlTemplate>

View Code

3、在 xaml 页面中，添加一个 Border 控件，显示在窗口的最左侧，检测用户的滑动手势

 <!--屏幕左侧手势检测区域， 在实际代码中可以把 Opacity 设置为 0 -->
 <Border Grid.RowSpan="2" 
         ManipulationMode="TranslateX" 
         ManipulationCompleted="Border_ManipulationCompleted" 
         ManipulationDelta="Border_ManipulationDelta"
         Width="36" Opacity=".5" Background="Green" HorizontalAlignment="Left"/>

　　通过注册 Manipulation 事件，可以检测底层触摸事件。这个 Border 即为上面 gif 图片中，绿色的部分。

　　MainPage.xaml 页面中，全部的 xaml ：

<Page
    x:Class="SwipeableSplitView.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:SwipeableSplitView"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d" RequestedTheme="Light">

    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}" >
        <SplitView x:Name="MySplitView"                   
                 DisplayMode="CompactInline" 
                 IsPaneOpen="True"                  
                 IsTabStop="False" PaneBackground="#88440000" Loaded="MySplitView_Loaded" CompactPaneLength="88"  OpenPaneLength="280" >

            <SplitView.Pane>
                <ListView Margin="0,60,0,0">
                    <ListView.Resources>
                        <Style TargetType="StackPanel">
                            <Setter Property="Orientation" Value="Horizontal"/>
                            <Setter Property="Margin" Value="20,20"/>
                        </Style>
                        <Style TargetType="TextBlock">
                            <Setter Property="Margin" Value="50,0,0,0"/>
                            <Setter Property="Foreground" Value="White"/>
                            <Setter Property="FontSize" Value="22"/>
                        </Style>
                        <Style TargetType="FontIcon">
                            <Setter Property="Foreground" Value="White"/>
                            <Setter Property="FontSize" Value="30"/>
                        </Style>
                    </ListView.Resources>
                    <StackPanel>
                        <FontIcon Glyph="&#xE116;"/>
                        <TextBlock Text="页面 1 "/>
                    </StackPanel>
                    <StackPanel>
                        <FontIcon Glyph="&#xE12A;" />
                        <TextBlock Text="页面 2 "/>
                    </StackPanel>
                    <StackPanel>
                        <FontIcon Glyph="&#xE115;"/>
                        <TextBlock Text="页面 3 "/>
                    </StackPanel>
                </ListView>

            </SplitView.Pane>
            <Grid>
                <!--<Frame/>-->
                <TextBlock Text="当窗口宽度最小时，通过鼠标或者手指，从窗口最左侧向右滑动，则打开 SplitView.Pane " Width="250" FontSize="30" TextWrapping="Wrap"  HorizontalAlignment="Center" VerticalAlignment="Center"/>

                <!--屏幕左侧手势检测区域， 在实际代码中可以把 Opacity 设置为 0 -->
                <Border Grid.RowSpan="2" 
                        ManipulationMode="TranslateX" 
                        ManipulationCompleted="Border_ManipulationCompleted" 
                        ManipulationDelta="Border_ManipulationDelta"
                        Width="36" Opacity=".5" Background="Green" HorizontalAlignment="Left"/>

                <!--显示 Debug 数据-->
                <Border HorizontalAlignment="Right" Margin="20" Background="Gray" VerticalAlignment="Top">
                    <TextBlock x:Name="txtDebug" Text="debug" FontSize="30" Foreground="GreenYellow" Margin="10"/>
                </Border>
            </Grid>
        </SplitView>

        <!--汉堡按钮-->
        <CheckBox  IsChecked="{Binding IsPaneOpen,ElementName=MySplitView, Mode=TwoWay}" IsThreeState="False" Height="40" Width="40" VerticalAlignment="Top" HorizontalAlignment="Left" Style="{StaticResource CheckBoxStyle1}">
            <FontIcon Glyph="&#xE700;" Foreground="White" FontSize="25" />
        </CheckBox>

        <VisualStateManager.VisualStateGroups>
            <VisualStateGroup x:Name="visualState">
                <VisualState x:Name="wide">
                    <VisualState.StateTriggers>
                        <AdaptiveTrigger MinWindowWidth="1024" />
                    </VisualState.StateTriggers>
                    <VisualState.Setters>
                        <Setter Target="MySplitView.DisplayMode" Value="CompactInline" />
                        <Setter Target="MySplitView.IsPaneOpen" Value="True" />
                    </VisualState.Setters>
                </VisualState>
                <VisualState x:Name="meddium">
                    <VisualState.StateTriggers>
                        <AdaptiveTrigger MinWindowWidth="548" />
                    </VisualState.StateTriggers>
                    <VisualState.Setters>
                        <Setter Target="MySplitView.DisplayMode" Value="CompactInline" />
                        <Setter Target="MySplitView.IsPaneOpen" Value="False" />
                    </VisualState.Setters>
                </VisualState>
                <VisualState x:Name="narrow">
                    <VisualState.StateTriggers>
                        <AdaptiveTrigger MinWindowWidth="0" />
                    </VisualState.StateTriggers>
                    <VisualState.Setters>
                        <Setter Target="MySplitView.DisplayMode" Value="Overlay" />
                        <Setter Target="MySplitView.IsPaneOpen" Value="False" />
                    </VisualState.Setters>
                </VisualState>
            </VisualStateGroup>
        </VisualStateManager.VisualStateGroups>
    </Grid>
</Page>

View Code

4、在 MainPage.xaml.cs 页面中

　　1）分析：当 SplitView.IsPaneOpen 设置为 true 时， Pane 的 CompositeTransform 的 TranslateX 的数值变化

　　在 SplitView 的 Loaded 事件中，把数值打印出来：

        // Debug 数据输出,左侧面板 TranslateX 的变化
        private void MySplitView_Loaded(object sender, RoutedEventArgs e)
        {
#if DEBUG
            Grid grid = Utility.FindVisualChild<Grid>(MySplitView);

            Binding bind = new Binding();
            bind.Path = new PropertyPath("TranslateX");
            bind.Source = (grid.FindName("PaneRoot") as Grid).RenderTransform as CompositeTransform;

            // 显示到  TextBlock 上
            txtDebug.SetBinding(TextBlock.TextProperty, bind);

            txtDebug.RegisterPropertyChangedCallback(TextBlock.TextProperty, (dependencyObject, dependencyProperty) =>
            {
                // 注册 TextBlock.TextProperty 属性回调事件，显示到输出窗口
                Debug.WriteLine("txtDebug.Text ； " + txtDebug.Text);
            });
#endif
        }

　　在窄窗口模式下，点击汉堡按钮，查看输出窗口，数值从 280 （SplitView.OpenPaneLength）变为 0：

txtDebug.Text ： -280
txtDebug.Text ： -279.996
txtDebug.Text ： -220.397
txtDebug.Text ： -160.79
txtDebug.Text ： -101.138
txtDebug.Text ： -65.0658
txtDebug.Text ： -51.9964
txtDebug.Text ： -38.9144
txtDebug.Text ： -25.5251
txtDebug.Text ： -20.8821
txtDebug.Text ： -16.2444
txtDebug.Text ： -11.6015
txtDebug.Text ： -8.4631
txtDebug.Text ： -6.61891
txtDebug.Text ： -4.77503
txtDebug.Text ： -2.93104
txtDebug.Text ： -2.2662
txtDebug.Text ： -1.57674
txtDebug.Text ： -0.157382
txtDebug.Text ： 0

　　结合 VisualState 中 <VisualTransition From="Closed" To="OpenOverlayLeft"> 节点，

在 0秒到 0:0:0.35 秒时，PaneRoot 由 “隐藏”变为“显示”，并且它的 TranslateX 由 OpenPaneLength

变为 0 ：

<VisualTransition From="Closed" To="OpenOverlayLeft">
    <Storyboard>
        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="PaneRoot" Storyboard.TargetProperty="Visibility">
            <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
        </ObjectAnimationUsingKeyFrames>
        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HCPaneBorder" Storyboard.TargetProperty="Visibility">
            <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
        </ObjectAnimationUsingKeyFrames>
        <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneTransform" Storyboard.TargetProperty="TranslateX">
            <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.NegativeOpenPaneLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
            <SplineDoubleKeyFrame KeyTime="0:0:0.35" KeySpline="0.1,0.9 0.2,1.0" Value="0"/>
        </DoubleAnimationUsingKeyFrames>
        <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PaneClipRectangleTransform" Storyboard.TargetProperty="TranslateX">
            <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="{Binding TemplateSettings.OpenPaneLength, RelativeSource={RelativeSource Mode=TemplatedParent}}"/>
            <SplineDoubleKeyFrame KeyTime="0:0:0.35" KeySpline="0.1,0.9 0.2,1.0" Value="0"/>
        </DoubleAnimationUsingKeyFrames>
        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="LightDismissLayer" Storyboard.TargetProperty="Visibility">
            <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="Visible"/>
        </ObjectAnimationUsingKeyFrames>
    </Storyboard>
</VisualTransition>

View Code

　　2）添加 C# 中的逻辑，加了注释

        #region  从屏幕左侧边缘滑动屏幕时，打开 SplitView 菜单

        // SplitView 控件模板中，Pane部分的 Grid
        Grid PaneRoot;

        //  引用 SplitView 控件中， 保存从 Pane “关闭” 到“打开”的 VisualTransition
        //  也就是 <VisualTransition From="Closed" To="OpenOverlayLeft"> 这个 
        VisualTransition from_ClosedToOpenOverlayLeft_Transition;

        private void Border_ManipulationDelta(object sender, ManipulationDeltaRoutedEventArgs e)
        {
            e.Handled = true;

            // 仅当 SplitView 处于 Overlay 模式时（窗口宽度最小时）
            if (MySplitView.DisplayMode == SplitViewDisplayMode.Overlay)
            {
                if (PaneRoot == null)
                {
                    // 找到 SplitView 控件中，模板的父容器
                    Grid grid = Utility.FindVisualChild<Grid>(MySplitView);

                    PaneRoot = grid.FindName("PaneRoot") as Grid;

                    if (from_ClosedToOpenOverlayLeft_Transition == null)
                    {
                        // 获取 SplitView 模板中“视觉状态集合”
                        IList<VisualStateGroup> stateGroup = VisualStateManager.GetVisualStateGroups(grid);

                        //  获取 VisualTransition 对象的集合。
                        IList<VisualTransition> transitions = stateGroup[0].Transitions;

                        // 找到 SplitView.IsPaneOpen 设置为 true 时，播放的 transition
                        from_ClosedToOpenOverlayLeft_Transition = transitions?.Where(train => train.From == "Closed" && train.To == "OpenOverlayLeft").First();

                        // 遍历所有 transitions，打印到输出窗口
                        foreach (var tran in transitions)
                        {
                            Debug.WriteLine("From : " + tran.From + "   To : " + tran.To);
                        }
                    }
                }


                // 默认为 Collapsed，所以先显示它
                PaneRoot.Visibility = Visibility.Visible;

                // 当在 Border 上向右滑动，并且滑动的总距离需要小于 Panel 的默认宽度。否则会脱离左侧窗口，继续向右拖动
                if (e.Cumulative.Translation.X >= 0 && e.Cumulative.Translation.X < MySplitView.OpenPaneLength)
                {
                    CompositeTransform ct = PaneRoot.RenderTransform as CompositeTransform;
                    ct.TranslateX = (e.Cumulative.Translation.X - MySplitView.OpenPaneLength);
                }
            }
        }

        private void Border_ManipulationCompleted(object sender, ManipulationCompletedRoutedEventArgs e)
        {
            e.Handled = true;

            // 仅当 SplitView 处于 Overlay 模式时（窗口宽度最小时）
            if (MySplitView.DisplayMode == SplitViewDisplayMode.Overlay && PaneRoot != null)
            {
                // 因为当 IsPaneOpen 为 true 时，会通过 VisualStateManager 把 PaneRoot.Visibility  设置为
                // Visibility.Visible，所以这里把它改为 Visibility.Collapsed，以回到初始状态
                PaneRoot.Visibility = Visibility.Collapsed;

                // 恢复初始状态 
                CompositeTransform ct = PaneRoot.RenderTransform as CompositeTransform;


                // 如果大于 MySplitView.OpenPaneLength 宽度的 1/2 ，则显示，否则隐藏
                if ((MySplitView.OpenPaneLength + ct.TranslateX) > MySplitView.OpenPaneLength / 2)
                {
                    MySplitView.IsPaneOpen = true;

                    // 因为上面设置 IsPaneOpen = true 会再次播放向右滑动的动画，所以这里使用 SkipToFill()
                    // 方法，直接跳到动画结束状态
                    from_ClosedToOpenOverlayLeft_Transition?.Storyboard?.SkipToFill();

                }

                ct.TranslateX = 0;
            }
        }
        #endregion

　　MainPage.xaml.cs 页面中，全部的 C# ：

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

namespace SwipeableSplitView
{
    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();
        }

        // Debug 数据输出,左侧面板 TranslateX 的变化
        private void MySplitView_Loaded(object sender, RoutedEventArgs e)
        {
#if DEBUG
            Grid grid = Utility.FindVisualChild<Grid>(MySplitView);

            Binding bind = new Binding();
            bind.Path = new PropertyPath("TranslateX");
            bind.Source = (grid.FindName("PaneRoot") as Grid).RenderTransform as CompositeTransform;

            // 显示到  TextBlock 上
            txtDebug.SetBinding(TextBlock.TextProperty, bind);

            txtDebug.RegisterPropertyChangedCallback(TextBlock.TextProperty, (dependencyObject, dependencyProperty) =>
            {
                // 注册 TextBlock.TextProperty 属性回调事件，显示到输出窗口
                Debug.WriteLine("txtDebug.Text ： " + txtDebug.Text);
            });
#endif
        }

        #region  从屏幕左侧边缘滑动屏幕时，打开 SplitView 菜单

        // SplitView 控件模板中，Pane部分的 Grid
        Grid PaneRoot;

        //  引用 SplitView 控件中， 保存从 Pane “关闭” 到“打开”的 VisualTransition
        //  也就是 <VisualTransition From="Closed" To="OpenOverlayLeft"> 这个 
        VisualTransition from_ClosedToOpenOverlayLeft_Transition;

        private void Border_ManipulationDelta(object sender, ManipulationDeltaRoutedEventArgs e)
        {
            e.Handled = true;

            // 仅当 SplitView 处于 Overlay 模式时（窗口宽度最小时）
            if (MySplitView.DisplayMode == SplitViewDisplayMode.Overlay)
            {
                if (PaneRoot == null)
                {
                    // 找到 SplitView 控件中，模板的父容器
                    Grid grid = Utility.FindVisualChild<Grid>(MySplitView);

                    PaneRoot = grid.FindName("PaneRoot") as Grid;

                    if (from_ClosedToOpenOverlayLeft_Transition == null)
                    {
                        // 获取 SplitView 模板中“视觉状态集合”
                        IList<VisualStateGroup> stateGroup = VisualStateManager.GetVisualStateGroups(grid);

                        //  获取 VisualTransition 对象的集合。
                        IList<VisualTransition> transitions = stateGroup[0].Transitions;

                        // 找到 SplitView.IsPaneOpen 设置为 true 时，播放的 transition
                        from_ClosedToOpenOverlayLeft_Transition = transitions?.Where(train => train.From == "Closed" && train.To == "OpenOverlayLeft").First();

                        // 遍历所有 transitions，打印到输出窗口
                        foreach (var tran in transitions)
                        {
                            Debug.WriteLine("From : " + tran.From + "   To : " + tran.To);
                        }
                    }
                }


                // 默认为 Collapsed，所以先显示它
                PaneRoot.Visibility = Visibility.Visible;

                // 当在 Border 上向右滑动，并且滑动的总距离需要小于 Panel 的默认宽度。否则会脱离左侧窗口，继续向右拖动
                if (e.Cumulative.Translation.X >= 0 && e.Cumulative.Translation.X < MySplitView.OpenPaneLength)
                {
                    CompositeTransform ct = PaneRoot.RenderTransform as CompositeTransform;
                    ct.TranslateX = (e.Cumulative.Translation.X - MySplitView.OpenPaneLength);
                }
            }
        }

        private void Border_ManipulationCompleted(object sender, ManipulationCompletedRoutedEventArgs e)
        {
            e.Handled = true;

            // 仅当 SplitView 处于 Overlay 模式时（窗口宽度最小时）
            if (MySplitView.DisplayMode == SplitViewDisplayMode.Overlay && PaneRoot != null)
            {
                // 因为当 IsPaneOpen 为 true 时，会通过 VisualStateManager 把 PaneRoot.Visibility  设置为
                // Visibility.Visible，所以这里把它改为 Visibility.Collapsed，以回到初始状态
                PaneRoot.Visibility = Visibility.Collapsed;

                // 恢复初始状态 
                CompositeTransform ct = PaneRoot.RenderTransform as CompositeTransform;


                // 如果大于 MySplitView.OpenPaneLength 宽度的 1/2 ，则显示，否则隐藏
                if ((MySplitView.OpenPaneLength + ct.TranslateX) > MySplitView.OpenPaneLength / 2)
                {
                    MySplitView.IsPaneOpen = true;

                    // 因为上面设置 IsPaneOpen = true 会再次播放向右滑动的动画，所以这里使用 SkipToFill()
                    // 方法，直接跳到动画结束状态
                    from_ClosedToOpenOverlayLeft_Transition?.Storyboard?.SkipToFill();

                }

                ct.TranslateX = 0;
            }
        }
        #endregion
    }
}

View Code

　　常用的视图帮助类 Utility：　　

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Windows.UI.Xaml;

namespace SwipeableSplitView
{
    /// <summary>
    /// 视觉状态  工具类              
    /// </summary>
    static partial class Utility
    {
        public static T FindVisualChild<T>(DependencyObject obj) where T : DependencyObject
        {
            int count = Windows.UI.Xaml.Media.VisualTreeHelper.GetChildrenCount(obj);
            for (int i = 0; i < count; i++)
            {
                DependencyObject child = Windows.UI.Xaml.Media.VisualTreeHelper.GetChild(obj, i);
                if (child != null && child is T)
                {
                    return (T)child;
                }
                else
                {
                    T childOfChild = FindVisualChild<T>(child);
                    if (childOfChild != null)
                        return childOfChild;
                }
            }

            return null;
        }

        public static VisualStateGroup FindVisualState(FrameworkElement element, string name)
        {
            if (element == null || string.IsNullOrWhiteSpace(name))
                return null;

            IList<VisualStateGroup> groups = VisualStateManager.GetVisualStateGroups(element);
            foreach (var group in groups)
            {
                if (group.Name == name)
                    return group;
            }

            return null;
        }
    }
}

View Code

完。

SwipeableSplitView工程代码下载

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原文地址：https://www.cnblogs.com/hebeiDGL/p/4775377.html