WPF之动态换肤

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原文:WPF之动态换肤

如何实现换肤呢，对于复杂的换肤操作，如，更换按钮样式、窗口样式等，我们需要写多个资源字典来表示不同的皮肤，通过动态加载不同的资源字典来实现换肤的效果；对于简单的换肤操作，如更改背景颜色、设置窗体透明度，这种换肤操作，我们就不能使用上面的方法了，这个时候，我们只要在一个全局对象中添加几个属性，如背景颜色、前景颜色、窗体透明度等，然后，再绑定这几个属性就能达到我们想要的效果。

解决方案：动态加载资源字典

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;namespace DynamicallySkinnable
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
} private void Button_Click(object sender, RoutedEventArgs e)
{
Button btn = (Button)e.OriginalSource;
btn.ContextMenu.IsOpen = true;
} private void menuAero_Click(object sender, RoutedEventArgs e)
{
/*
Application.Current.Resources.MergedDictionaries.Clear(); //清除现有资源 //获取要应用的资源字典
ResourceDictionary resource =
(ResourceDictionary)Application.LoadComponent(
new Uri("/PresentationFramework.Aero, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35;component/themes/aero.normalcolor.xaml", UriKind.Relative));
//将资源字典合并到当前资源中
Application.Current.Resources.MergedDictionaries.Add(resource);
*/ //this.Resources.MergedDictionaries.Clear();
ResourceDictionary resource = (ResourceDictionary)Application.LoadComponent(new Uri("/DynamicallySkinnable;component/Skins/BlueSkin.xaml", UriKind.Relative));
this.Resources.MergedDictionaries.Add(resource);
} private void menuRoyale_Click(object sender, RoutedEventArgs e)
{ /*
Application.Current.Resources.MergedDictionaries.Clear();
ResourceDictionary resource =
(ResourceDictionary)Application.LoadComponent(
new Uri("/PresentationFramework.Royale, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35;component/themes/royale.normalcolor.xaml", UriKind.Relative));
Application.Current.Resources.MergedDictionaries.Add(resource);
*/ //this.Resources.MergedDictionaries.Clear();
ResourceDictionary resource = (ResourceDictionary)Application.LoadComponent(new Uri("/DynamicallySkinnable;component/Skins/RedSkin.xaml", UriKind.Relative));
this.Resources.MergedDictionaries.Add(resource); } private void menuLuna_Click(object sender, RoutedEventArgs e)
{
/*
Application.Current.Resources.MergedDictionaries.Clear(); ResourceDictionary resource =
(ResourceDictionary)Application.LoadComponent(
new Uri("/PresentationFramework.Luna, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35;component/themes/luna.normalcolor.xaml", UriKind.Relative));
Application.Current.Resources.MergedDictionaries.Add(resource);
*/ //this.Resources.MergedDictionaries.Clear();
ResourceDictionary resource = (ResourceDictionary)Application.LoadComponent(new Uri("/DynamicallySkinnable;component/Skins/BlackSkin.xaml", UriKind.Relative));
this.Resources.MergedDictionaries.Add(resource);
} private void button1_Click(object sender, RoutedEventArgs e)
{
Button btn = (Button)e.OriginalSource;
btn.ContextMenu.IsOpen = true;
}
}
}