zoukankan html css js c++ java

WPF实现软键盘

wpf 实现一个软键盘，

先发个图：

工作有需要实现一个软键盘，本来想用windows自带的软键盘凑合凑合得了，又觉得那个软键盘太大了，所以自己实现了一个。

说一下实现的思路，其实没什么思路界面就是都由按钮实现，按照键盘的格式布的局。下面放软键盘控件的代码

前台：

<UserControl x:Class="softkeyboard.Controls.SoftKeyBoard"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
            xmlns:local="clr-namespace:softkeyboard.Controls"
             xmlns:system="clr-namespace:System;assembly=mscorlib"
             mc:Ignorable="d" 
             d:DesignHeight="190" d:DesignWidth="540">
    <UserControl.Resources>
        <SolidColorBrush x:Key="background" Color="#E8E8E8"></SolidColorBrush>
        <SolidColorBrush x:Key="keybackground" Color="#FEFEFE"></SolidColorBrush>
        <SolidColorBrush x:Key="press" Color="#FFCD43"></SolidColorBrush>
        <local:UperConvert x:Key="UperConvert"></local:UperConvert>
        <local:ShiftConvert x:Key="ShiftConvert"></local:ShiftConvert>
        <system:String x:Key="eq">=</system:String>
        <system:String x:Key="gang"></system:String>
        <system:String x:Key="yinhao">'</system:String>
        <system:String x:Key="douhao">,</system:String>

        <Style x:Key="keyrow" TargetType="{x:Type StackPanel}">
            <Setter Property="Orientation" Value="Horizontal"></Setter>
            <Setter Property="VerticalAlignment" Value="Center"></Setter>
            <Setter Property="HorizontalAlignment" Value="Left"></Setter>
        </Style>

        <Style x:Key="button" TargetType="{x:Type Button}">
            <Setter Property="Width" Value="30"></Setter>
            <Setter Property="Height" Value="29"></Setter>
            <Setter Property="Margin" Value="3,1"></Setter>
            <Setter Property="Background" Value="{StaticResource keybackground}"></Setter>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type Button}">
                        <Border x:Name="PART_border" CornerRadius="4" Background="{TemplateBinding Background}">
                            <StackPanel VerticalAlignment="Center" HorizontalAlignment="Center">
                                <TextBlock FontSize="{TemplateBinding FontSize}" Foreground="{TemplateBinding Foreground}" Text="{TemplateBinding Content}"></TextBlock>
                            </StackPanel>
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
            <Style.Triggers>
                <Trigger Property="IsPressed" Value="True">
                    <Setter Property="Background" Value="{StaticResource press}"></Setter>
                </Trigger>
            </Style.Triggers>
        </Style>

        <Style x:Key="toggle" TargetType="{x:Type ToggleButton}">
            <Setter Property="Width" Value="30"></Setter>
            <Setter Property="Height" Value="29"></Setter>
            <Setter Property="Margin" Value="3,1"></Setter>
            <Setter Property="Background" Value="{StaticResource keybackground}"></Setter>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type ToggleButton}">
                        <Border x:Name="PART_border" CornerRadius="4" Background="{TemplateBinding Background}">
                            <StackPanel VerticalAlignment="Center" HorizontalAlignment="Center">
                                <TextBlock FontSize="{TemplateBinding FontSize}" Foreground="{TemplateBinding Foreground}" Text="{TemplateBinding Content}"></TextBlock>
                            </StackPanel>
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsChecked" Value="True">
                                <Setter TargetName="PART_border" Property="Background" Value="{StaticResource press}"></Setter>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
            <Style.Triggers>
                <Trigger Property="IsPressed" Value="True">
                    <Setter Property="Background" Value="{StaticResource press}"></Setter>
                </Trigger>
            </Style.Triggers>
        </Style>

    </UserControl.Resources>
    <Border CornerRadius="5" Background="{StaticResource background}">
        <Grid Margin="2">
            <Grid.RowDefinitions>
                <RowDefinition Height="*"></RowDefinition>
                <RowDefinition Height="*"></RowDefinition>
                <RowDefinition Height="*"></RowDefinition>
                <RowDefinition Height="*"></RowDefinition>
                <RowDefinition Height="*"></RowDefinition>
            </Grid.RowDefinitions>
            <!--row1-->
            <StackPanel Grid.Row="0" Style="{StaticResource keyrow}">
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=`}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=1}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=2}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=3}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=4}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=5}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=6}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=7}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=8}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=9}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=0}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=-}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter={StaticResource eq}}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Width="60"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}">Delete</Button>
            </StackPanel>
            <!--row2-->
            <StackPanel Grid.Row="1" Style="{StaticResource keyrow}">
                <Button Style="{StaticResource button}" Width="45" 
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}">Tab</Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=q}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=w}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=e}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=r}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=t}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=y}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=u}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=i}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=o}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=p}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=[}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=]}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Width="45" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter={StaticResource gang}}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
            </StackPanel>
            <!--row3-->
            <StackPanel Grid.Row="2" Style="{StaticResource keyrow}">
                <ToggleButton x:Name="caps" Style="{StaticResource toggle}" Width="64" Content="Caps lock" 
                              IsChecked="{Binding Caps,Mode=TwoWay,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}"></ToggleButton>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=a}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=s}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=d}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=f}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=g}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=h}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=j}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=k}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=l}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=;}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter={StaticResource yinhao}}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                
               </StackPanel>
            <Button Grid.Row="2" Grid.RowSpan="3" Height="105" HorizontalAlignment="Right" Style="{StaticResource button}" 
                    Width="65" Content="Enter" Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                    CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
            <!--row4-->
            <StackPanel Grid.Row="3" Style="{StaticResource keyrow}">
                <ToggleButton x:Name="shift" Style="{StaticResource toggle}" Width="82" 
                              IsChecked="{Binding Shift,Mode=TwoWay,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}">Shift</ToggleButton>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=z}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=x}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=c}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=v}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=b}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=n}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=caps,Path=IsChecked,Converter={StaticResource UperConvert},ConverterParameter=m}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter={StaticResource douhao}}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>

                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=.}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>

                <Button Style="{StaticResource button}" Content="{Binding ElementName=shift,Path=IsChecked,Converter={StaticResource ShiftConvert},ConverterParameter=/}"
                        Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}"></Button>
                <!--<ToggleButton Style="{StaticResource toggle}" Width="80" >Shift</ToggleButton>-->
            </StackPanel>
            <!--row5-->
            <StackPanel Grid.Row="4" Style="{StaticResource keyrow}">
                <ToggleButton x:Name="ctrl" Style="{StaticResource toggle}" 
                              IsChecked="{Binding Ctrl,Mode=TwoWay,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}">Ctrl</ToggleButton>
                <!--<Button Style="{StaticResource button}" Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}">Win</Button>-->
                <ToggleButton x:Name="alt" Style="{StaticResource toggle}" 
                              IsChecked="{Binding Alt,Mode=TwoWay,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}">Alt</ToggleButton>
                <Button Style="{StaticResource button}" Width="388" Command="{Binding KeyCommand,RelativeSource={RelativeSource AncestorType={x:Type local:SoftKeyBoard}}}" 
                        CommandParameter="{Binding Path=Content,RelativeSource={RelativeSource Self}}">Space</Button>
                <!--<ToggleButton Style="{StaticResource toggle}" >Alt</ToggleButton>
                <ToggleButton Style="{StaticResource toggle}" >Ctrl</ToggleButton>-->
            </StackPanel>
        </Grid>
    </Border>
</UserControl>

View Code

后台：

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Forms;
using System.Windows.Input;
using System.Windows.Interop;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using UserControl = System.Windows.Controls.UserControl;

namespace softkeyboard.Controls
{
    /// <summary>
    /// SoftKeyBoard.xaml 的交互逻辑
    /// </summary>
    public partial class SoftKeyBoard : UserControl
    {

        /// <summary>
        /// 导入模拟键盘的方法
        /// </summary>
        /// <param name="bVk" >按键的虚拟键值</param>
        /// <param name= "bScan" >扫描码，一般不用设置，用0代替就行</param>
        /// <param name= "dwFlags" >选项标志：0：表示按下，2：表示松开</param>
        /// <param name= "dwExtraInfo">一般设置为0</param>
        [DllImport("User32.dll")]
        public static extern void keybd_event(byte bVK, byte bScan, Int32 dwFlags, int dwExtraInfo);

        #region

        public static readonly DependencyProperty CapsProperty = DependencyProperty.Register(
            "Caps", typeof(bool), typeof(SoftKeyBoard), new PropertyMetadata(default(bool)));

        public bool Caps
        {
            get { return (bool)GetValue(CapsProperty); }
            set { SetValue(CapsProperty, value); }
        }

        public static readonly DependencyProperty CtrlProperty = DependencyProperty.Register(
            "Ctrl", typeof(bool), typeof(SoftKeyBoard), new PropertyMetadata(default(bool)));

        public bool Ctrl
        {
            get { return (bool)GetValue(CtrlProperty); }
            set { SetValue(CtrlProperty, value); }
        }

        public static readonly DependencyProperty AltProperty = DependencyProperty.Register(
            "Alt", typeof(bool), typeof(SoftKeyBoard), new PropertyMetadata(default(bool)));

        public bool Alt
        {
            get { return (bool)GetValue(AltProperty); }
            set { SetValue(AltProperty, value); }
        }

        public static readonly DependencyProperty ShiftProperty = DependencyProperty.Register(
            "Shift", typeof(bool), typeof(SoftKeyBoard), new PropertyMetadata(default(bool)));

        public bool Shift
        {
            get { return (bool)GetValue(ShiftProperty); }
            set { SetValue(ShiftProperty, value); }
        }

        #endregion

        public ICommand KeyCommand { get; set; }

        private Dictionary<string, byte> keys;

        public SoftKeyBoard()
        {
            InitializeComponent();
            SetCommand();
            CreateKeys();
            
        }

        private void CreateKeys()
        {
            keys = new Dictionary<string, byte>()
            {
                #region row1
                { "`",192},
                { "1",49},
                { "2",50},
                { "3",51},
                { "4",52},
                { "5",53},
                { "6",54},
                { "7",55},
                { "8",56},
                { "9",57},
                { "0",48},
                { "-",189},
                { "=",187},
                { "Delete",8},
                { "~",192},
                { "!",49},
                { "@",50},
                { "#",51},
                { "$",52},
                { "%",53},
                { "^",54},
                { "&",55},
                { "*",56},
                { "(",57},
                { ")",48},
                { "_",189},
                { "+",187},
                #endregion

                #region row2
                { "Tab",9},
                { "q",  81},
                { "w",  87},
                { "e",  69},
                { "r",  82},
                { "t",  84},
                { "y",  89},
                { "u",  85},
                { "i",  73},
                { "o",  79},
                { "p",  80},
                { "[",  219},
                { "]",  221},
                { @"", 220},
                { "Q",  81},
                { "W",  87},
                { "E",  69},
                { "R",  82},
                { "T",  84},
                { "Y",  89},
                { "U",  85},
                { "I",  73},
                { "O",  79},
                { "P",  80},
                { "{",  219},
                { "}",  221},
                { "|", 220},
                #endregion

                #region row3
                { "a",65},
                { "s",  83},
                { "d",  68},
                { "f",  70},
                { "g",  71},
                { "h",  72},
                { "j",  74},
                { "k",  75},
                { "l",  73},
                { ";",  186},
                { "'",  222},
                { "Enter",  13},
                { "A",65},
                { "S",  83},
                { "D",  68},
                { "F",  70},
                { "G",  71},
                { "H",  72},
                { "J",  74},
                { "K",  75},
                { "L",  73},
                { ":",  186},
                { """,  222},

                #endregion

                #region row4
                { "z",90},
                { "x",  88},
                { "c",  67},
                { "v",  86},
                { "b",  66},
                { "n",  78},
                { "m",  77},
                { ",",  188},
                { ".",  190},
                { "/",  191},
                { "Z",90},
                { "X",  88},
                { "C",  67},
                { "V",  86},
                { "B",  66},
                { "N",  78},
                { "M",  77},
                { "<",  188},
                { ">",  190},
                { "?",  191},

                #endregion

                #region other
                {"Space",32 },

                #endregion

            };
        }

        private void SetCommand()
        {
            KeyCommand = new RoutedCommand();
            CommandBinding cbinding = new CommandBinding(KeyCommand, KeyCommand_Excuted, KeyCommand_CanExcute);
            this.CommandBindings.Add(cbinding);
        }

        private void KeyCommand_CanExcute(object sender, CanExecuteRoutedEventArgs e)
        {
            e.CanExecute = true;
        }

        private void KeyCommand_Excuted(object sender, ExecutedRoutedEventArgs e)
        {
            if (e.Parameter != null)
            {
                string code = e.Parameter.ToString();
                if (keys.ContainsKey(code))
                {
                    byte b = keys[code];
                    try
                    {
                        keybd_event(b, 0, 0, 0);
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex.Message);
                    }
                }
            }

        }


        protected override void OnPropertyChanged(DependencyPropertyChangedEventArgs e)
        {
            base.OnPropertyChanged(e);
            if (e.Property == CapsProperty)
            {
                //按下
                keybd_event(20, 0, 0, 0);
                //抬起
                keybd_event(20, 0, 2, 0);
            }
            else if(e.Property==ShiftProperty)
            {
                if (Shift)
                {
                    //按下
                    keybd_event(16, 0, 0, 0);
                }
                else
                {
                    //抬起
                    keybd_event(16, 0, 2, 0);
                }
            }
            else if (e.Property == CtrlProperty)
            {
                if (Ctrl)
                {
                    //按下
                    keybd_event(17, 0, 0, 0);
                }
                else
                {
                    //抬起
                    keybd_event(17, 0, 2, 0);
                }
            }
            else if (e.Property == AltProperty)
            {
                if (Alt)
                {
                    //按下
                    keybd_event(18, 0, 0, 0);
                }
                else
                {
                    //抬起
                    keybd_event(18, 0, 2, 0);
                }
            }
        }
    }

    public class UperConvert : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (parameter == null)
            {
                return "";
            }

            if (value == null)
            {
                if (parameter != null)
                {
                    return parameter.ToString();
                }
                else
                {
                    return "";
                }
            }

            bool isuper = (bool)value;

            if (isuper)
            {
                return parameter.ToString().ToUpper();
            }
            else
            {
                return parameter.ToString().ToLower();
            }
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }

    public class ShiftConvert : IValueConverter
    {
        Dictionary<string, string> dic = new Dictionary<string, string>()
        {
            {"`","~" },
            {"1","!" },
            {"2","@" },
            {"3","#" },
            {"4","$" },
            {"5","%" },
            {"6","^" },
            {"7","&" },
            {"8","*" },
            {"9","(" },
            {"0",")" },
            {"-","_" },
            {"=","+" },
            {"[","{" },
            {"]","}" },
            {";",":" },
            {"'",""" },
            {",","<" },
            {".",">" },
            {"/","?" },
            {@"","|" },
        };

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (parameter == null)
            {
                return "";
            }

            if (value == null)
            {
                if (parameter != null)
                {
                    return parameter.ToString();
                }
                else
                {
                    return "";
                }
            }

            bool shift = (bool)value;

            if (shift)
            {
                var cond = parameter.ToString();
                if (dic.ContainsKey(cond))
                {
                    return dic[cond];
                }
                else
                {
                    return "";
                }
            }
            else
            {
                return parameter.ToString();
            }
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}

View Code

后来发现，把他放在窗口上要实现使用的方法还需要改点东西，下面放上窗口的代码

前台：

<Window x:Class="softkeyboard.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:softkeyboard"
        xmlns:controls="clr-namespace:softkeyboard.Controls"
        mc:Ignorable="d"
        WindowStyle="None"
        WindowStartupLocation="Manual"
        AllowsTransparency="True"
        Background="Transparent"
        Title="MainWindow" Height="190" Width="540" MouseLeftButtonDown="MainWindow_OnMouseLeftButtonDown" ShowInTaskbar="True">
    <Window.Resources>
        <SolidColorBrush x:Key="ColorBrush" Color="Red" Opacity="0.7"></SolidColorBrush>
        <PathGeometry x:Key="closed" Figures="M509.125332 997.359791C236.342166 997.359791 14.419101 775.403955 14.419101 502.620789 14.419101 229.804853 236.342166 7.849017 509.125332 7.849017s494.739002 221.955836 494.739002 494.771772c0 272.783166-221.955836 494.739002-494.739002 494.739002zM726.85375 321.923243l-36.998101-36.965331-180.697547 180.664776-180.697546-180.664776-36.998101 36.965331 180.697546 180.697546-180.697546 180.664776 36.998101 36.998101 180.697546-180.697546 180.697547 180.697546 36.998101-36.998101-180.697546-180.664776 180.697546-180.697546z"></PathGeometry>
        <Style x:Key="CloseBtn" TargetType="{x:Type Button}">
            <Setter Property="Background" Value="{StaticResource ColorBrush}"></Setter>
            <Setter Property="Foreground" Value="White"></Setter>
            <Setter Property="FocusVisualStyle" Value="{x:Null}"></Setter>
            <Setter Property="Cursor" Value="Hand"></Setter>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type Button}">
                        <Border x:Name="Part_Border"  BorderThickness="{TemplateBinding BorderThickness}">


                            <Grid>
                                <Ellipse Width="Auto" Height="Auto" Stroke="LightGray">
                                    <Ellipse.Fill>
                                        <SolidColorBrush Color="Red" Opacity="0.5"/>
                                    </Ellipse.Fill>
                                </Ellipse>
                                <TextBlock Text="×" HorizontalAlignment="Center" Foreground="LightGray"  VerticalAlignment="Center" FontSize="20" />
                            </Grid>



                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsMouseOver" Value="True">
                                <Setter  Property="Background" Value="Red"></Setter>
                            </Trigger>
                            <Trigger Property="IsPressed" Value="True">
                                <Setter  Property="Background" Value="Red"></Setter>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>

        </Style>
    </Window.Resources>
    <Grid>

        <Viewbox Margin="0,0,6,0">
            <controls:SoftKeyBoard></controls:SoftKeyBoard>
        </Viewbox>
        <Button Width="21" Height="21" Style="{StaticResource CloseBtn}" VerticalAlignment="Top" HorizontalAlignment="Left" Margin="519,0,0,0" Click="ButtonBase_OnClick"></Button>
    </Grid>
</Window>

View Code

后台：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Interop;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace softkeyboard
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        [DllImport("user32.dll")]
        public static extern int SetWindowLong(IntPtr hWnd, int nindex, IntPtr dwNewLong);

        [DllImport("user32.dll", SetLastError = true)]
        public static extern UInt32 GetWindowLong(IntPtr hWnd, int index);

        public MainWindow()
        {
            InitializeComponent();
            this.Loaded += MainWindow_Loaded;
        }

        private void MainWindow_Loaded(object sender, RoutedEventArgs e)
        {
            WindowInteropHelper windowInteropHelper = new WindowInteropHelper(this);

            IntPtr intPtr = windowInteropHelper.Handle;

            int value = -20;

            SetWindowLong(intPtr, value, (IntPtr)0x8000000);
        }

        private void MainWindow_OnMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            base.DragMove();
        }

        private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
        {
            this.Close();
        }
    }
}

View Code

所有的代码都已经写在这里了，就不单独上传代码了。

查看全文

相关阅读:
2019春招面试题总结-03
2019春招面试题总结-02
2019春招面试题总结-01
Node.js 全局对象
 Node.js 路由
 Node.js 函数
 Node.js 模块系统
 Node.js Stream(流)
Node.js Buffer(缓冲区)
Node.js EventEmitter

原文地址：https://www.cnblogs.com/wuyaxiansheng/p/11250723.html

热门文章
区间k大数查询
 图形显示
 未名湖边的烦恼
 数字三角形
 P1103
递归求二项式系数值
 表达式计算
 送分啦
 关联矩阵
 寻找数组中最大值