54 lines
1.6 KiB
C#
54 lines
1.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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namespace SHH.CameraDashboard
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{
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public enum ThemeType { Dark, Light }
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public static class ThemeManager
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{
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public static void ChangeTheme(ThemeType theme)
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{
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var appResources = Application.Current.Resources;
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// 1. 找到旧的颜色字典并移除
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// 我们通过检查 Source 路径来识别它
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ResourceDictionary oldDict = null;
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foreach (var dict in appResources.MergedDictionaries)
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{
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// 只要路径里包含 "Colors." 说明它是我们的皮肤文件
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if (dict.Source != null && dict.Source.OriginalString.Contains("Themes/Colors."))
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{
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oldDict = dict;
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break;
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}
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}
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if (oldDict != null)
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{
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appResources.MergedDictionaries.Remove(oldDict);
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}
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// 2. 加载新字典
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string dictName = theme switch
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{
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ThemeType.Light => "/Style/Themes/Colors.Light.xaml",
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ThemeType.Dark => "/Style/Themes/Colors.Dark.xaml",
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_ => "/Style/Themes/Colors.Dark.xaml" // 默认
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};
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var newDict = new ResourceDictionary
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{
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Source = new Uri(dictName, UriKind.Relative)
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};
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// 3. 添加到集合中 (建议加在最前面，或者根据索引位置)
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appResources.MergedDictionaries.Add(newDict);
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}
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}
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}
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