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  • MyFesettoWord_Day1

    1,应用图标添加:

    • 应用程序最小化的图标添加:image,
    • image




    2,设置无Style风格的窗口

     <WindowChrome.WindowChrome>
            <WindowChrome ResizeBorderThickness="{Binding ResizeBorderThickness}"
                          GlassFrameThickness="0"
                          CornerRadius="0"
                           CaptionHeight="{Binding TitleHeight}"
                           />
        </WindowChrome.WindowChrome>
    • ResizeBorderThickness---为窗口进行拖拉时候的厚度.
    • GlassFrameThickness为窗口的边界
    • CaptionHeight为窗口进行放大缩小之用.

    3,添加资源字典和融合字典

    App中添加资源:在App.xaml中进行添加

     <Application.Resources>
            <ResourceDictionary>
                <ResourceDictionary.MergedDictionaries>
                    <ResourceDictionary Source="/Styles/Colors.xaml"/>
                    <ResourceDictionary Source="/Styles/Fonts.xaml"/>
                    <ResourceDictionary Source="/Styles/Texts.xaml"/>
                    <ResourceDictionary Source="/Styles/Buttons.xaml"/>
                    <ResourceDictionary Source="/Styles/Windows.xaml"/>
                </ResourceDictionary.MergedDictionaries>
            </ResourceDictionary>
        </Application.Resources>

    自己添加资源

    • 创建文件夹和资源文件
    • image
    • 创建字体资源
    •     <FontFamily x:Key="LatoThin">pack://application;,,,/Fonts/#Lato Thin</FontFamily>
          <FontFamily x:Key="LatoRegular">pack://application;,,,/Fonts/#Lato Regular</FontFamily>
          <FontFamily x:Key="LatoBold">pack://application;,,,/Fonts/#Lato Black</FontFamily>
          <FontFamily x:Key="FontAwesome">pack://application;,,,/Fonts/#FontAwesome</FontFamily>
      
          <Style TargetType="{x:Type Control}" x:Key="BaseStyle">
              <Setter Property="FontFamily" Value="{StaticResource LatoThin}" />
              <Setter Property="FontSize" Value="{StaticResource FontSizeRegular}" />
          </Style>
      
          <Style TargetType="{x:Type TextBlock}" x:Key="BaseTextBlockStyle">
              <Setter Property="FontFamily" Value="{StaticResource LatoThin}" />
              <Setter Property="FontSize" Value="{StaticResource FontSizeRegular}" />
          </Style>
      
          <Style TargetType="{x:Type Button}" BasedOn="{StaticResource BaseStyle}" />
          <Style TargetType="{x:Type Label}" BasedOn="{StaticResource BaseStyle}" />
          <Style TargetType="{x:Type TextBox}" BasedOn="{StaticResource BaseStyle}" />
          <Style TargetType="{x:Type TextBlock}" BasedOn="{StaticResource BaseTextBlockStyle}" />
          <Style TargetType="{x:Type ListView}" BasedOn="{StaticResource BaseStyle}" />
      
          <system:Double x:Key="FontSizeSmaller">10</system:Double>
          <system:Double x:Key="FontSizeSmall">12</system:Double>
          <system:Double x:Key="FontSizeRegular">14</system:Double>
          <system:Double x:Key="FontSizeLarge">20</system:Double>
          <system:Double x:Key="FontSizeXLarge">24</system:Double>
          <system:Double x:Key="FontSizeXXLarge">30</system:Double>

    注意:

    1. 字体名称和实际文件中字体名称的区别以及 pack://application;,,,/Folders…这个标准的查询资源文件的方式.

    image

    2,使用系统对象的方法:image

    需要设置程序集和文件名


    4,添加字典资源失败和成功的方式.


    5,在添加Fonts时 Text Block和 Controls 不同的区别.

    • 图个使Control一个是TextBlock


    6,WPF更改命名空间后,找不到InitializeComponent()方法:删除原有的xaml ,重新新建一个.

    <Window x:Class="Fasetto.Word.MainWindow"//更改这个地方吧.


    7,WindowChrom的属性和说明

    • ResizeBorderThickness---为窗口进行拖拉时候的厚度.
    • GlassFrameThickness为窗口的边界
    • CaptionHeight为窗口进行放大缩小之用.

    -----------利用Resizer进行窗口重新定义:

    • 获取鼠标当前位置(WPF)

    首先导入dll:

     [DllImport("user32.dll")]
            [return: MarshalAs(UnmanagedType.Bool)]
            static extern bool GetCursorPos(out POINT lpPoint);
    
            [DllImport("user32.dll")]
    

    其次建立POINT (和 Point不一样)struct----注意.StructLayout表明这是非优化块.建立的是顺序排布地址.在通讯等领域比较关键.

    [StructLayout(LayoutKind.Sequential)]
        public struct POINT
        {
            /// <summary>
            /// x coordinate of point.
            /// </summary>
    #pragma warning disable IDE1006 // Naming Styles
            public int X;
    #pragma warning restore IDE1006 // Naming Styles
    
            /// <summary>
            /// y coordinate of point.
            /// </summary>
    #pragma warning disable IDE1006 // Naming Styles
            public int Y;
    #pragma warning restore IDE1006 // Naming Styles
    
            /// <summary>
            /// Construct a point of coordinates (x,y).
            /// </summary>
            public POINT(int x, int y)
            {
                X = x;
                Y = y;
            }
    
            public override string ToString()
            {
                return $"{X} {Y}";
            }
        }
    
        #endregion
    public Point GetCursorPosition()
            {
                // Get mouse position
                GetCursorPos(out var lMousePosition);
    
                // Apply DPI scaling
                return new Point(lMousePosition.X / mMonitorDpi.Value.DpiScaleX, lMousePosition.Y / mMonitorDpi.Value.DpiScaleY);
            }

    详细信息会在详细解析Resize类里面进行讲解.



    8,OpacityMask and VisualBrush ViewBox .

    OpacityMask 用于使用Brush进行设定透明度.也就是对应的画刷在对应的点上如果是透明的,则该元素也是透明的

    VisualBrush 主要是使用Visual类作为Brush的源.

    9,快捷:如何快捷跳到行尾.如何快速选择属性.

    可以在选项--->键盘--->编辑---行尾,设置快捷键ctrl+;


    10:MarkupExtension:用于扩展标记,使标记不仅支持字符串也支持别的.

    https://www.cnblogs.com/Code-life/p/3463362.html


    <Window x:Class="WPFSample.Samples.MarkupExtensionSample"
            xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
            xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
            xmlns:me="clr-namespace:WPFSample.Samples.MarkupExtensionSamples"
            Title="MarkupExtensionSample" Height="300" Width="300">
        <Grid>
            <StackPanel>
                <TextBlock Foreground="Aqua" Text="Foreground"/>
                <!--Following xaml code set a foreground using markup extension.-->
                <TextBlock Foreground="{me:BrushGetter TitleBrush}" Text="Foreground from markup extension"/>
                <TextBlock Foreground="{me:BrushGetter ContentBrush}" Text="Foreground from markup extension"/>
            </StackPanel>
        </Grid>
    </Window>


    public class BrushGetter : MarkupExtension
        {
            private string _brushName;
    
            public BrushGetter(string brushName)
            {
                //在Xaml中使用该MarkupExtension时传递brushName参数。
                _brushName = brushName;
            }
    
            public override object ProvideValue(IServiceProvider serviceProvider)
            {
                //当在通过该MarkupExtension在Xaml中给属性赋值时,该方法将被调用。根据条件返回一个合适的对象即可。
                //至于参数serviceProvider,一般情况下用不到。暂时不纠结它了。
                switch (_brushName)
                {
                    case "TitleBrush":
                        return Brushes.Black;
                    case "ContentBrush":
                        return Brushes.Blue;
                    default:
                        break;
                }
    
                return null;
            }
        }


    11,如何在XAML中创建自定义的XAML集合对象:

    internal class Student
        {
            public string Name { get; set; }
            public int Age { get; set; }
        }
        internal class StudentList:List<Student>
        {
    
        }
      class StringCollect
        {
            public StudentList Students { get; set; }
        }
    internal class Student
        {
            public string Name { get; set; }
            public int Age { get; set; }
        }
        internal class StudentList:List<Student>
        {
    
        }
      class StringCollect
        {
            public StudentList Students { get; set; }
        }
    <Window.DataContext>
            <local:StringCollect  x:Name="c2"  >
                <local:StringCollect.Students>
                    <local:StudentList>
                        <local:Student Age="18" Name="A1"/>
                        <local:Student Age="18" Name="A2"/>
                        <local:Student Age="18" Name="A3"/>
                    </local:StudentList>
                </local:StringCollect.Students>
            </local:StringCollect>
        </Window.DataContext>
        <Grid>
            <ListBox ItemsSource="{Binding ElementName=c2,Path=Students}">
                <ListBox.ItemTemplate>
                    <DataTemplate>
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="*"/>
                                <ColumnDefinition Width="*"/>
                            </Grid.ColumnDefinitions>
                            <TextBlock>
                                <Run Text="Name:"/>
                                <Run Text="{Binding Name}"/>
                            </TextBlock>
                            <TextBlock Grid.Column="1">
                                <Run Text="Age:"/>
                                <Run Text="{Binding Age}"/>
                            </TextBlock>
                        </Grid>
                    </DataTemplate>
                </ListBox.ItemTemplate>
            </ListBox>
        </Grid>

    总之,可以将某个泛型的类型,再自定义一个继承的类型然后就可以了.或者使用X:Array方法:

    <ListBox  >
                <ListBox.ItemTemplate>
                    <DataTemplate>
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="*"/>
                                <ColumnDefinition Width="*"/>
                            </Grid.ColumnDefinitions>
                            <TextBlock>
                                <Run Text="Name:"/>
                                <Run Text="{Binding Name}"/>
                            </TextBlock>
                            <TextBlock Grid.Column="1">
                                <Run Text="Age:"/>
                                <Run Text="{Binding Age}"/>
                            </TextBlock>
                        </Grid>
                    </DataTemplate>
                </ListBox.ItemTemplate>
                <ListBox.ItemsSource>
                    <x:Array Type="{x:Type local:Student}">
                        <local:Student Age="18" Name="b1"/>
                        <local:Student Age="18" Name="b2"/>
                        <local:Student Age="18" Name="b3"/>
                    </x:Array>
                </ListBox.ItemsSource>
            </ListBox>
    1

    12,在Element.Style中设置属性和在Element本体中设置属性的区别

    <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate  TargetType="{x:Type TextBoxBase}">
                        <Grid>
                            <Border x:Name="border"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                Background="{TemplateBinding Background}"
                                SnapsToDevicePixels="True">
                                <ScrollViewer x:Name="PART_ContentHost" Focusable="False" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden"/>
                            </Border>
                            <TextBlock IsHitTestVisible="False"
                                       Text="{TemplateBinding Tag}"
                                       x:Name="placeholder"
                                       FontFamily="{StaticResource LatoThin}"
                                       Padding="{TemplateBinding Padding}"
                                       VerticalAlignment="Center"
                                       HorizontalAlignment="{TemplateBinding HorizontalAlignment}"
                                       Foreground="{StaticResource ForegroundDarkBrush}"
    
                                       >
                                <TextBlock.Style>
                                    <Style TargetType="{x:Type TextBlock}">
                                        <Setter Property="Visibility" Value="Collapsed" />
                                        <Style.Triggers>
                                            <DataTrigger Binding="{Binding Text,RelativeSource={RelativeSource TemplatedParent}}" Value="">
                                                <Setter Property="Visibility" Value="Visible" />
                                            </DataTrigger>
                                        </Style.Triggers>
                                    </Style>
                                </TextBlock.Style>
                            </TextBlock>
                        </Grid>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsEnabled" Value="False">
                                <Setter Property="Opacity" TargetName="border" Value="0.56"/>
                            </Trigger>
                            <Trigger Property="IsMouseOver" Value="True">
                                <Setter Property="BorderBrush" TargetName="border" Value="#FF7EB4EA"/>
                            </Trigger>
                            <Trigger Property="IsKeyboardFocused" Value="True">
                                <Setter Property="BorderBrush" TargetName="border" Value="#FF569DE5"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
    注意:

    这个代码中的Visibility属性的区别: 必须放在Style里面,否则的话,其不会显示.因为依赖性属性的原因,后面的会覆盖前面的.

    1,Visibility=Collapsed 必须放在style里面,否则会被覆盖.

    2,

           >
                                <TextBlock.Style>
                                    <Style TargetType="{x:Type TextBlock}">
                                        <Setter Property="Visibility" Value="Collapsed" />
                                        <Style.Triggers>
                                            <DataTrigger Binding="{Binding Text, RelativeSource={RelativeSource Mode=TemplatedParent}}" Value="">
                                                <Setter Property="Visibility" Value="Visible" />
                                            </DataTrigger>
                                        </Style.Triggers>
                                    </Style>
                                </TextBlock.Style>
                            </TextBlock>


    在这里,的Binding的一个用发,其绑定了父模板的Text属性.用其他的写法较难实现.{TemplateBinding 也不行}

    13,TemplateBinding 和Binding之间的区别:

    https://blog.csdn.net/xpj8888/article/details/101515689?utm_medium=distribute.pc_relevant.none-task-blog-baidujs_title-2&spm=1001.2101.3001.4242

    TemplateBinding与Binding区别

    (1)TemplateBinding只是单方向的数据绑定

    (2)TemplateBinding不会自动转换数据类型


    下面两个绑定效果是一样的

    <TextBlock Text="{TemplateBinding MyText}"/>

    <TextBlock Text="{Binding Path=MyText, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}"/> 

    RelativeSource={RelativeSource TemplatedParent}——

    TemplateBinding是连接控件和模板中属性的一种绑定,从自定义控件的属性中提取属数据。
    优点:轻量,开销比较小。
    缺点:只能单向绑定,不能绑定到继承Freezable的类上。

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  • 原文地址:https://www.cnblogs.com/frogkiller/p/14391398.html
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