WIP: 设计阶段：设计漂亮的 UI

src/磁贴美化小工具.Wpf/App.config

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+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+  <runtime>
+    <!-- .NET Framework 版本在 .NET Framework 4.6.2 以下，
+         但操作系统在 Windows 10 及以上，开启多屏不同 DPI 缩放。
+         详见：https://blog.walterlv.com/post/windows-high-dpi-development-for-wpf.html -->
+    <AppContextSwitchOverrides value="Switch.System.Windows.DoNotScaleForDpiChanges=false" />
+  </runtime>
+</configuration>

src/磁贴美化小工具.Wpf/App.manifest

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+<?xml version="1.0" encoding="utf-8"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/>
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
+    <security>
+      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
+        <!-- UAC 清单选项
+             如果想要更改 Windows 用户帐户控制级别，请使用
+             以下节点之一替换 requestedExecutionLevel 节点。n
+        <requestedExecutionLevel  level="asInvoker" uiAccess="false" />
+        <requestedExecutionLevel  level="requireAdministrator" uiAccess="false" />
+        <requestedExecutionLevel  level="highestAvailable" uiAccess="false" />
+
+            指定 requestedExecutionLevel 元素将禁用文件和注册表虚拟化。
+            如果你的应用程序需要此虚拟化来实现向后兼容性，则删除此
+            元素。
+        -->
+        <requestedExecutionLevel level="asInvoker" uiAccess="false" />
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- 设计此应用程序与其一起工作且已针对此应用程序进行测试的
+           Windows 版本的列表。取消评论适当的元素，
+           Windows 将自动选择最兼容的环境。 -->
+
+      <!-- Windows Vista -->
+      <!--<supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}" />-->
+
+      <!-- Windows 7 -->
+      <!--<supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />-->
+
+      <!-- Windows 8 -->
+      <!--<supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />-->
+
+      <!-- Windows 8.1 -->
+      <!--<supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}" />-->
+
+      <!-- Windows 10 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+
+    </application>
+  </compatibility>
+
+
+  <!-- 以下 DPI 配置包含两种效果：
+        1. 针对每个屏幕的 DPI 缩放（第二版），在 Windows 10 1607 及以上
+        2. 仅系统级缩放，在 Windows 10 1607 以下
+       详见：https://blog.walterlv.com/post/windows-high-dpi-development-for-wpf.html-->
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+      <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
+    </windowsSettings>
+  </application>
+
+  <!-- 启用 Windows 公共控件和对话框的主题(Windows XP 和更高版本) -->
+  <dependency>
+    <dependentAssembly>
+      <assemblyIdentity
+          type="win32"
+          name="Microsoft.Windows.Common-Controls"
+          version="6.0.0.0"
+          processorArchitecture="*"
+          publicKeyToken="6595b64144ccf1df"
+          language="*"
+        />
+    </dependentAssembly>
+  </dependency>
+
+</assembly>

src/磁贴美化小工具.Wpf/App.xaml

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+<Application x:Class="Xiu2.TileTool.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:Xiu2.TileTool"
+             StartupUri="Views/MainWindow.xaml">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="/Themes/Core.xaml" />
+                <ResourceDictionary Source="/Themes/FDS/Window.xaml" />
+                <ResourceDictionary Source="/Themes/FDS/Button.xaml" />
+                <ResourceDictionary Source="/Themes/FDS/ListBox.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

src/磁贴美化小工具.Wpf/App.xaml.cs

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+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+using Xiu2.TileTool.Core;
+
+namespace Xiu2.TileTool
+{
+    public partial class App : Application
+    {
+        protected override void OnStartup(StartupEventArgs e)
+        {
+            base.OnStartup(e);
+
+            // 判断系统版本
+            if (Environment.OSVersion.Version.Major != 10)
+            {
+                _ = MessageBox.Show($"{AppInfo.Main.AppName}仅支持 Windows10 系统！", "错误", MessageBoxButton.OK);
+                Shutdown();
+            }
+        }
+    }
+}

src/磁贴美化小工具.Wpf/Core/AppInfo.cs

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+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Text;
+
+namespace Xiu2.TileTool.Core
+{
+    /// <summary>
+    /// 包含应用程序的一般信息。
+    /// </summary>
+    internal class AppInfo
+    {
+        /// <summary>
+        /// 获取当前应用程序的一般信息。
+        /// </summary>
+        public static AppInfo Main { get; } = new AppInfo(Assembly.GetEntryAssembly()!);
+
+        public AppInfo(Assembly assembly)
+        {
+            AppName = assembly.GetCustomAttribute<AssemblyProductAttribute>()?.Product
+                ?? assembly.GetCustomAttribute<AssemblyTitleAttribute>()!.Title;
+            Version = assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>()!.InformationalVersion;
+            Author = assembly.GetCustomAttribute<AssemblyCompanyAttribute>()!.Company;
+        }
+
+        /// <summary>
+        /// 获取应用名称。
+        /// </summary>
+        public string AppName { get; }
+
+        /// <summary>
+        /// 获取版本号（可能带预览标签）。
+        /// </summary>
+        public string Version { get; }
+
+        /// <summary>
+        /// 获取作者名。
+        /// </summary>
+        public string Author { get; }
+    }
+}

src/磁贴美化小工具.Wpf/Program.cs

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+using System;
+using System.Diagnostics;
+using System.Linq;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Threading;
+using Xiu2.TileTool.Core;
+
+namespace Xiu2.TileTool
+{
+    internal static class Program
+    {
+        [STAThread]
+        static void Main(string[] args)
+        {
+            // 启动前一个进程实例。
+            Mutex? newMutex = null;
+            try
+            {
+#pragma warning disable IDE0067 // 丢失范围之前释放对象
+                newMutex = new Mutex(true, "a8851f5e-cbb5-4466-bd72-d95c9bea4dea", out bool createdNew);
+#pragma warning restore IDE0067 // 丢失范围之前释放对象
+                if (!createdNew)
+                {
+                    if (args.Length > 0 && args[0] != "")
+                    {
+                        // 右键菜单启动：杀掉已存在的进程。
+                        KillSameNameProcess();
+                    }
+                    else
+                    {
+                        // 用户双击启动，打开之前已打开的窗口。
+                        var current = Process.GetCurrentProcess();
+                        var process = Process.GetProcessesByName(current.ProcessName).FirstOrDefault(x => x.Id != current.Id);
+                        if (process != null)
+                        {
+                            var hwnd = process.MainWindowHandle;
+                            ShowWindow(hwnd, 9);
+                            SetForegroundWindow(hwnd);
+                            return;
+                        }
+                    }
+                }
+            }
+            catch (Exception)
+            {
+                // 忽略任何多实例处理相关的异常。
+            }
+
+            // 启动自己。
+            var app = new App();
+            app.InitializeComponent();
+            app.Run();
+        }
+
+        /// <summary>
+        /// 结束同名进程。
+        /// </summary>
+        private static void KillSameNameProcess()
+        {
+            var name = AppInfo.Main.AppName;
+            // 获取当前进程信息。
+            Process currentProcess = Process.GetCurrentProcess();
+            // 获取同名进程信息。
+            Process[] processes = Process.GetProcesses();
+            foreach (Process process in processes)
+            {
+                // 判断该进程主窗口标题是否含有 XXX 字符串。
+                if (process.MainWindowTitle.Contains(name))
+                {
+                    // 如果不是当前进程，就结束它。
+                    if (process.Id != currentProcess.Id)
+                    {
+                        process.Kill();
+                    }
+                }
+            }
+        }
+
+        [DllImport("user32.dll")]
+        private static extern int ShowWindow(IntPtr hwnd, uint nCmdShow);
+
+        [DllImport("USER32.DLL")]
+        public static extern bool SetForegroundWindow(IntPtr hWnd);
+    }
+}

src/磁贴美化小工具.Wpf/Properties/AssemblyInfo.cs

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+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)
+)]

src/磁贴美化小工具.Wpf/Themes/Core.xaml

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+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+
+    <Color x:Key="Color.Theme">#0B6AB4</Color>
+    <Color x:Key="Color.Theme.Light1">#2286CC</Color>
+    <Color x:Key="Color.Theme.Dark1">#014696</Color>
+    <Color x:Key="Color.Foreground">White</Color>
+    <Color x:Key="Color.Foreground.Disable">#999999</Color>
+    <Color x:Key="Color.Background">#2B2B2B</Color>
+    <Color x:Key="Color.Theme.Foreground">White</Color>
+    <Color x:Key="Color.Theme.Foreground.Disable">#999999</Color>
+    <Color x:Key="Color.Theme.Background">#2B2B2B</Color>
+    <Color x:Key="Color.Background.Header">#353536</Color>
+    <Color x:Key="Color.Background.Items">#353536</Color>
+    <Color x:Key="Color.Background.Footer">#353536</Color>
+    <Color x:Key="Color.Background.Float">#353536</Color>
+    <Color x:Key="Color.Background.Control">#353536</Color>
+    <SolidColorBrush x:Key="Brush.Theme" Color="{StaticResource Color.Theme}" />
+    <SolidColorBrush x:Key="Brush.Theme.Light1" Color="{StaticResource Color.Theme.Light1}" />
+    <SolidColorBrush x:Key="Brush.Theme.Dark1" Color="{StaticResource Color.Theme.Dark1}" />
+    <SolidColorBrush x:Key="Brush.Foreground" Color="{StaticResource Color.Foreground}" />
+    <SolidColorBrush x:Key="Brush.Foreground.Disable" Color="{StaticResource Color.Foreground.Disable}" />
+    <SolidColorBrush x:Key="Brush.Background" Color="{StaticResource Color.Background}" />
+    <SolidColorBrush x:Key="Brush.Theme.Foreground" Color="{StaticResource Color.Theme.Foreground}" />
+    <SolidColorBrush x:Key="Brush.Theme.Foreground.Disable" Color="{StaticResource Color.Theme.Foreground.Disable}" />
+    <SolidColorBrush x:Key="Brush.Theme.Background" Color="{StaticResource Color.Theme.Background}" />
+    <SolidColorBrush x:Key="Brush.Background.Header" Color="{StaticResource Color.Background.Header}" />
+    <SolidColorBrush x:Key="Brush.Background.Items" Color="{StaticResource Color.Background.Items}" />
+    <SolidColorBrush x:Key="Brush.Background.Footer" Color="{StaticResource Color.Background.Footer}" />
+    <SolidColorBrush x:Key="Brush.Background.Float" Color="{StaticResource Color.Background.Float}" />
+    <SolidColorBrush x:Key="Brush.Background.Control" Color="{StaticResource Color.Background.Control}" />
+
+    <Style x:Key="Style.FocusVisual.Default">
+        <Setter Property="Control.Template">
+            <Setter.Value>
+                <ControlTemplate>
+                    <Rectangle StrokeThickness="2" Stroke="{StaticResource Brush.Foreground}" />
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+</ResourceDictionary>

src/磁贴美化小工具.Wpf/Themes/FDS/Button.xaml

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+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:effects="clr-namespace:Walterlv.Windows.Effects">
+
+    <ResourceDictionary.MergedDictionaries>
+        <ResourceDictionary Source="/Themes/Core.xaml" />
+    </ResourceDictionary.MergedDictionaries>
+
+    <Style TargetType="{x:Type Button}">
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="Margin" Value="4 0" />
+        <Setter Property="Padding" Value="24 0" />
+        <Setter Property="Height" Value="32" />
+        <Setter Property="BorderThickness" Value="0" />
+        <Setter Property="BorderBrush" Value="{x:Null}" />
+        <Setter Property="Foreground" Value="{StaticResource Brush.Theme.Foreground}" />
+        <Setter Property="Background" Value="{StaticResource Brush.Theme}" />
+        <Setter Property="effects:TiltEffect2D.IsEnabled" Value="True" />
+        <Setter Property="Stylus.IsPressAndHoldEnabled" Value="False" />
+        <Setter Property="Stylus.IsFlicksEnabled" Value="False" />
+        <Setter Property="Stylus.IsTapFeedbackEnabled" Value="False" />
+        <Setter Property="Stylus.IsTouchFeedbackEnabled" Value="False" />
+        <Setter Property="FocusVisualStyle" Value="{x:Null}" />
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="Button">
+                    <Grid Background="{TemplateBinding Background}">
+                        <Border x:Name="Bd"
+                                BorderThickness="{TemplateBinding BorderThickness}"
+                                BorderBrush="{TemplateBinding BorderBrush}" />
+                        <TextBlock x:Name="ContentTextBlock" Foreground="{TemplateBinding Foreground}"
+                                   Margin="{TemplateBinding Padding}"
+                                   FontSize="{TemplateBinding FontSize}" Text="{TemplateBinding Content}"
+                                   HorizontalAlignment="Center" VerticalAlignment="Center" />
+                    </Grid>
+                    <ControlTemplate.Triggers>
+                        <MultiTrigger>
+                            <!-- When the pointer is over the button. -->
+                            <MultiTrigger.Conditions>
+                                <Condition Property="IsMouseOver" Value="True" />
+                                <Condition Property="IsStylusOver" Value="False" />
+                            </MultiTrigger.Conditions>
+                            <Setter TargetName="Bd" Property="Background" Value="#4ff4f4f4" />
+                        </MultiTrigger>
+                        <!-- When the pointer is pressed. -->
+                        <MultiTrigger>
+                            <MultiTrigger.Conditions>
+                                <Condition Property="IsPressed" Value="True" />
+                                <Condition Property="AreAnyTouchesOver" Value="False" />
+                            </MultiTrigger.Conditions>
+                            <Setter TargetName="Bd" Property="Background" Value="#4f1f1f1f" />
+                        </MultiTrigger>
+                        <!-- When the touch device is pressed. -->
+                        <MultiTrigger>
+                            <MultiTrigger.Conditions>
+                                <Condition Property="IsPressed" Value="True" />
+                                <Condition Property="AreAnyTouchesOver" Value="True" />
+                            </MultiTrigger.Conditions>
+                            <Setter TargetName="Bd" Property="Background" Value="#4f000000" />
+                        </MultiTrigger>
+                    </ControlTemplate.Triggers>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+</ResourceDictionary>