WPF 动态更换样式文件

  ApplySkinFromMenuItem("Style/BigImgStyle.xaml", "Style/FileListStyle.xaml");

  //换肤
        void ApplySkinFromMenuItem(string source, string oldSources)
        {
            string skinDictPath = source;
            App app = Application.Current as App;
            app.ApplySkin(skinDictPath, oldSources);
        }

ApplySkin(这个方法是写在Application文件中的)

WPF 动态更换样式文件

WPF 动态更换样式文件

  /// <summary>
        /// 换样式 (这个方法是写在Application文件中的)
        /// </summary>
        /// <param name="newPaths">要加入的新样式文件路径</param>
        /// <param name="oldxamls">要删除的老的样式文件路径</param>
        public void ApplySkin(string newPaths, string oldxamls)
        {
            Collection<ResourceDictionary> mergedDicts = base.Resources.MergedDictionaries;
            string[] ss = oldxamls.Split(',');
            if (ss.Length > 0)
            {
                foreach (var path in ss)
                {
                    if (mergedDicts.Count > 0 && path.Trim() != "")
                    {
                        foreach (var item in mergedDicts)
                        {
                            if (item.Source.OriginalString.Trim().EndsWith(path.Trim()))
                            {
                                mergedDicts.Remove(item);
                                break;
                            }
                        }
                    }
                }
            }
            if (newPaths != "")
            {
                try
                {
                    string[] newss = newPaths.Split(',');
                    if (newss.Length > 0)
                    {
                        foreach (var item in newss)
                        {
                            Uri skinDictionaryUri = new Uri(item, UriKind.Relative);
                            ResourceDictionary skinDict = new ResourceDictionary();
                            //ResourceDictionary skinDict = Application.LoadComponent(skinDictionaryUri) as ResourceDictionary;
                            skinDict.Source = skinDictionaryUri;

mergedDicts.Add(skinDict);
                        }
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show("dsds:" + ex.Message);
                }

}

}

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