feat: WPF路由事件-6-获取键盘状态

WPF基础.sln

@@ -62,6 +62,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPF路由事件-4-生命周
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPF路由事件-5-处理按键事件", "WPF路由事件-5-处理按键事件\WPF路由事件-5-处理按键事件.csproj", "{DD14128A-A563-48B8-9ED2-201C0553B8D2}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPF路由事件-6-获取键盘状态", "WPF路由事件-6-获取键盘状态\WPF路由事件-6-获取键盘状态.csproj", "{27972975-284A-436F-BA6F-3F4A2B2A4CBE}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -192,5 +194,9 @@ Global
 		{DD14128A-A563-48B8-9ED2-201C0553B8D2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{DD14128A-A563-48B8-9ED2-201C0553B8D2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{DD14128A-A563-48B8-9ED2-201C0553B8D2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{27972975-284A-436F-BA6F-3F4A2B2A4CBE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{27972975-284A-436F-BA6F-3F4A2B2A4CBE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{27972975-284A-436F-BA6F-3F4A2B2A4CBE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{27972975-284A-436F-BA6F-3F4A2B2A4CBE}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

WPF路由事件-6-获取键盘状态/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="WPF路由事件_6_获取键盘状态.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:WPF路由事件_6_获取键盘状态"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

WPF路由事件-6-获取键盘状态/App.xaml.cs

@@ -0,0 +1,12 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace WPF路由事件_6_获取键盘状态;
+
+/// <summary>
+/// Interaction logic for App.xaml
+/// </summary>
+public partial class App : Application
+{
+}

WPF路由事件-6-获取键盘状态/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+    //(used if a resource is not found in the page,
+    // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+    //(used if a resource is not found in the page,
+    // app, or any theme specific resource dictionaries)
+)]

WPF路由事件-6-获取键盘状态/MainWindow.xaml

@@ -0,0 +1,16 @@
+<Window x:Class="WPF路由事件_6_获取键盘状态.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"
+        mc:Ignorable="d"
+        Title="WPF路由事件_6_获取键盘状态" Height="450" Width="800">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition />
+            <RowDefinition />
+        </Grid.RowDefinitions>
+
+        <TextBox Grid.Row="0" Name="InputTextBox" PreviewKeyDown="InputTextBox_OnPreviewKeyDown" />
+    </Grid>
+</Window>

WPF路由事件-6-获取键盘状态/MainWindow.xaml.cs

@@ -0,0 +1,33 @@
+using System.Windows;
+using System.Windows.Input;
+
+namespace WPF路由事件_6_获取键盘状态;
+
+/// <summary>
+///     Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
+{
+    public MainWindow()
+    {
+        InitializeComponent();
+    }
+
+    private void InputTextBox_OnPreviewKeyDown(object sender, KeyEventArgs e)
+    {
+        var keyboardDeviceModifiers = e.KeyboardDevice.Modifiers & ModifierKeys.Control;
+        if (keyboardDeviceModifiers == ModifierKeys.Control) InputTextBox.Text = "好了";
+
+        // 判断是否按下了按键
+        if (e.KeyboardDevice.IsKeyDown(Key.Z)) InputTextBox.Text = "按下了 Z 键";
+
+        // 判断是否按键释放
+        if (e.KeyboardDevice.IsKeyUp(Key.LeftShift)) InputTextBox.Text = "左边的 LeftShift";
+
+        // 大写键是否开启
+        if (e.KeyboardDevice.IsKeyToggled(Key.CapsLock)) InputTextBox.Text = "大写键是否开启或关闭";
+
+        var keyStates = e.KeyboardDevice.GetKeyStates(Key.A);
+        Console.WriteLine(keyStates);
+    }
+}

WPF路由事件-6-获取键盘状态/WPF路由事件-6-获取键盘状态.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>WinExe</OutputType>
+        <TargetFramework>net8.0-windows</TargetFramework>
+        <RootNamespace>WPF路由事件_6_获取键盘状态</RootNamespace>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <UseWPF>true</UseWPF>
+    </PropertyGroup>
+
+</Project>