private static Theme ChangeTheme(ResourceDictionary resources, Theme oldTheme, Theme newTheme)
{
var themeChanged = false;
if (oldTheme != newTheme)
{
resources.BeginInit();
ResourceDictionary oldThemeResource = null;
if (oldTheme.IsNotNull())
{
oldThemeResource = resources.MergedDictionaries.FirstOrDefault(d => AreResourceDictionarySourcesEqual(d, oldTheme.Resources));
}
resources.MergedDictionaries.Add(newTheme.Resources);
if (oldThemeResource.IsNotNull())
{
resources.MergedDictionaries.Remove(oldThemeResource);
}
themeChanged = true;
resources.EndInit();
}
if (themeChanged)
{
OnThemeChanged(newTheme);
}
return(newTheme);
}
/// <summary>
/// simple mvvm implementation
/// </summary>
private static ResourceDictionary RegisterMapping()
{
var resourceDictionary = new ResourceDictionary();
resourceDictionary.BeginInit();
var types = typeof(Program).Assembly.GetTypes().Where(x => !x.IsAbstract &&
!x.IsNestedPrivate &&
!x.IsInterface &&
!x.IsEnum &&
x.Namespace?.StartsWith("Calc.ViewModels") ==
true)
.ToArray();
var userControlType = typeof(UserControl);
var viewTypes = types.Where(x => userControlType.IsAssignableFrom(x));
var modelTypes = types.Except(viewTypes).ToArray();
foreach (var modelType in modelTypes)
{
var viewName = modelType.Name + "View";
var viewType = viewTypes.FirstOrDefault(x => x.Name == viewName)
?? throw new Exception(
$"View {viewName} not found for ViewModel {modelType}, ViewModels namespace only for ViewModels");
var template = new DataTemplate(modelType);
var root = new FrameworkElementFactory(viewType);
template.VisualTree = root;
root.AddHandler(FrameworkElement.LoadedEvent, new RoutedEventHandler(Loaded));
resourceDictionary.Add(template.DataTemplateKey, template);
template.Seal();
}
resourceDictionary.EndInit();
return(resourceDictionary);
}
/// <summary>
/// Set the current theme
/// </summary>
/// <param name="name">The name of the theme</param>
/// <returns>true if the new theme is set, false otherwise</returns>
public bool SetCurrent(string name)
{
if (ThemeDictionary.ContainsKey(name))
{
ITheme newTheme = ThemeDictionary[name];
CurrentTheme = newTheme;
ResourceDictionary theme = Application.Current.MainWindow.Resources.MergedDictionaries[0];
ResourceDictionary appTheme = Application.Current.Resources.MergedDictionaries.Count > 0
? Application.Current.Resources.MergedDictionaries[0]
: null;
theme.BeginInit();
theme.MergedDictionaries.Clear();
if (appTheme != null)
{
appTheme.BeginInit();
appTheme.MergedDictionaries.Clear();
}
else
{
appTheme = new ResourceDictionary();
appTheme.BeginInit();
Application.Current.Resources.MergedDictionaries.Add(appTheme);
}
foreach (Uri uri in newTheme.UriList)
{
try
{
ResourceDictionary newDict = new ResourceDictionary {
Source = uri
};
/*AvalonDock and menu style needs to move to the application
* 1. AvalonDock needs global styles as floatable windows can be created
* 2. Menu's need global style as context menu can be created
*/
if (uri.ToString().Contains("AvalonDock") ||
uri.ToString().Contains("Mjolnir.IDE.Core;component/Styles/VS2013/Menu.xaml"))
{
appTheme.MergedDictionaries.Add(newDict);
}
else
{
theme.MergedDictionaries.Add(newDict);
}
}
catch (Exception ex)
{
//TODO : Log error
Debugger.Break();
}
}
appTheme.EndInit();
theme.EndInit();
_logger.LogOutput(new LogOutputItem("Theme set to " + name, OutputCategory.Info, OutputPriority.None));
_eventAggregator.GetEvent <ThemeChangeEvent>().Publish(newTheme);
}
return(false);
}
/// <summary>
/// Set the current theme
/// </summary>
/// <param name="name">The name of the theme</param>
/// <returns>true if the new theme is set, false otherwise</returns>
public bool SetCurrent(string name)
{
#if WINDOWS_APP
if (ThemeDictionary.ContainsKey(name))
{
ITheme newTheme = ThemeDictionary[name];
CurrentTheme = newTheme;
// ResourceDictionary theme = Application.Current.MainWindow.Resources.MergedDictionaries[0];
ResourceDictionary appTheme = Application.Current.Resources.MergedDictionaries.Count > 0
? Application.Current.Resources.MergedDictionaries[0]
: null;
// theme.BeginInit();
// theme.MergedDictionaries.Clear();
if (appTheme != null)
{
appTheme.BeginInit();
appTheme.MergedDictionaries.Clear();
}
else
{
appTheme = new ResourceDictionary();
appTheme.BeginInit();
Application.Current.Resources.MergedDictionaries.Add(appTheme);
}
foreach (Uri uri in newTheme.UriList)
{
ResourceDictionary newDict = new ResourceDictionary {
Source = uri
};
/*AvalonDock and menu style needs to move to the application
* 1. AvalonDock needs global styles as floatable windows can be created
* 2. Menu's need global style as context menu can be created
*/
//if (uri.ToString().Contains("AvalonDock") ||
// uri.ToString().Contains("Wide;component/Interfaces/Styles/VS2012/Menu.xaml"))
//{
appTheme.MergedDictionaries.Add(newDict);
//}
//else
//{
// theme.MergedDictionaries.Add(newDict);
//}
}
appTheme.EndInit();
//set Avalondock theme
//todo in wpf dll m_workspace.ADTheme = newTheme.ADTheme;
// theme.EndInit();
_logger.Log("Theme set to " + name, LogCategory.Info, LogPriority.None);
//todo _eventAggregator.Publish<ThemeChangeEvent>()(newTheme);
}
#endif
return(false);
}
// Behaviors
public bool SetCurrentTheme(string name)
{
var theme = Themes.FirstOrDefault(t => t.Name == name);
if (theme == null)
{
return(false);
}
CurrentTheme = theme;
// add resource dictionary if not exist
if (_applicationResourceDictionary == null)
{
_applicationResourceDictionary = new ResourceDictionary();
Application.Current.Resources.MergedDictionaries.Add(_applicationResourceDictionary);
}
// begin update application and window resources
_applicationResourceDictionary.BeginInit();
_applicationResourceDictionary.MergedDictionaries.Clear();
// get window resource dictionary
var windowResourceDictionary = Application.Current.MainWindow.Resources.MergedDictionaries[0];
windowResourceDictionary.BeginInit();
windowResourceDictionary.MergedDictionaries.Clear();
// load theme application resources
foreach (var uri in theme.ApplicationResources)
{
_applicationResourceDictionary.MergedDictionaries.Add(new ResourceDictionary
{
Source = uri
});
}
// load main window resources
foreach (var uri in theme.MainWindowResources)
{
windowResourceDictionary.MergedDictionaries.Add(new ResourceDictionary
{
Source = uri
});
}
// finish update
_applicationResourceDictionary.EndInit();
windowResourceDictionary.EndInit();
// raise changed event
CurrentThemeChanged?.Invoke(this, EventArgs.Empty);
return(true);
}
public bool SetCurrentTheme(string name)
{
var theme = _themes.FirstOrDefault(x => x.Name == name);
if (theme == null)
{
return(false);
}
var mainWindow = Application.Current.MainWindow;
if (mainWindow == null)
{
return(false);
}
CurrentTheme = theme;
if (_applicationResourceDictionary == null)
{
_applicationResourceDictionary = new ResourceDictionary();
Application.Current.Resources.MergedDictionaries.Add(_applicationResourceDictionary);
}
_applicationResourceDictionary.BeginInit();
_applicationResourceDictionary.MergedDictionaries.Clear();
var windowResourceDictionary = mainWindow.Resources.MergedDictionaries[0];
windowResourceDictionary.BeginInit();
windowResourceDictionary.MergedDictionaries.Clear();
foreach (var uri in theme.ApplicationResources)
{
_applicationResourceDictionary.MergedDictionaries.Add(new ResourceDictionary
{
Source = uri
});
}
foreach (var uri in theme.MainWindowResources)
{
windowResourceDictionary.MergedDictionaries.Add(new ResourceDictionary
{
Source = uri
});
}
_applicationResourceDictionary.EndInit();
windowResourceDictionary.EndInit();
RaiseCurrentThemeChanged(EventArgs.Empty);
return(true);
}
protected override void OnStartup(StartupEventArgs e)
{
// Ensure that only one instance of the application can run at any time
if (e.Args.Any(a => a == Constants.IgnoreMutexFlag))
{
if (!SingleInstance.Start())
{
SingleInstance.ShowFirstInstance();
Shutdown(0);
return;
}
}
ConfigureLogging();
LogTo.Info("Application start");
LogEnvironmentInfo();
DispatcherHelper.Initialize();
ProxyServer.Start(Kernel.Get <ITwitterContextList>());
Scheduler = Kernel.Get <IScheduler>();
Scheduler.Start();
base.OnStartup(e);
CentralHandler = new CentralMessageHandler(Kernel);
var conf = Kernel.Get <IConfig>();
var palette = new PaletteHelper();
palette.SetLightDark(conf.Visual.UseDarkTheme);
palette.ReplaceAccentColor(conf.Visual.AccentColor);
palette.ReplacePrimaryColor(conf.Visual.PrimaryColor);
var swatches = new SwatchesProvider().Swatches.ToArray();
var resDict = new ResourceDictionary();
resDict.BeginInit();
{
resDict.Add("HashtagBrush",
new SolidColorBrush(swatches.First(s => s.Name == conf.Visual.HashtagColor).ExemplarHue.Color));
resDict.Add("LinkBrush",
new SolidColorBrush(swatches.First(s => s.Name == conf.Visual.LinkColor).ExemplarHue.Color));
resDict.Add("MentionBrush",
new SolidColorBrush(swatches.First(s => s.Name == conf.Visual.MentionColor).ExemplarHue.Color));
resDict.Add("GlobalFontSize", (double)conf.Visual.FontSize);
}
resDict.EndInit();
Resources.MergedDictionaries.Add(resDict);
ChangeLanguage(conf);
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
long QQNum = (long)value;
ResourceDictionary resource = new ResourceDictionary();
resource.BeginInit();
resource.Source = new Uri("/ChatHot.ControlLib;component/Themes/QQStyleResource.xaml", UriKind.Relative);
resource.EndInit();
//这里可以通过数据库将所有消息 Style 装进数据库，名称、详细信息、Key、需求等等
//然后再一个数据库装关系 比如说2017922257 -> 1 表示2017922257用的ID为1的消息Style
return(resource["MESSAGE_Style_ContentStyle_1"]);
}
private static void ApplyResourceDictionary(ResourceDictionary newRd, ResourceDictionary oldRd)
{
oldRd.BeginInit();
foreach (DictionaryEntry entry in newRd)
{
if (oldRd.Contains(entry.Key))
{
oldRd.Remove(entry.Key);
}
oldRd.Add(entry.Key, entry.Value);
}
oldRd.EndInit();
}
private void OverrideFlyoutResources(ResourceDictionary resources, bool accent = false)
{
var fromColorKey = accent ? "MahApps.Colors.Highlight" : "MahApps.Colors.Flyout";
resources.BeginInit();
var fromColor = (Color)resources[fromColorKey];
resources["MahApps.Colors.White"] = fromColor;
resources["MahApps.Colors.Flyout"] = fromColor;
var newBrush = new SolidColorBrush(fromColor);
newBrush.Freeze();
resources["MahApps.Brushes.Flyout.Background"] = newBrush;
resources["MahApps.Brushes.Control.Background"] = newBrush;
resources["MahApps.Brushes.White"] = newBrush;
resources["MahApps.Brushes.WhiteColor"] = newBrush;
resources["MahApps.Brushes.DisabledWhite"] = newBrush;
resources["MahApps.Brushes.Window.Background"] = newBrush;
resources[SystemColors.WindowBrushKey] = newBrush;
if (accent)
{
fromColor = (Color)resources["MahApps.Colors.IdealForeground"];
newBrush = new SolidColorBrush(fromColor);
newBrush.Freeze();
resources["MahApps.Brushes.Flyout.Foreground"] = newBrush;
resources["MahApps.Brushes.Text"] = newBrush;
resources["MahApps.Brushes.Label.Text"] = newBrush;
if (resources.Contains("MahApps.Colors.AccentBase"))
{
fromColor = (Color)resources["MahApps.Colors.AccentBase"];
}
else
{
var accentColor = (Color)resources["MahApps.Colors.Accent"];
fromColor = Color.FromArgb(255, accentColor.R, accentColor.G, accentColor.B);
}
newBrush = new SolidColorBrush(fromColor);
newBrush.Freeze();
resources["MahApps.Colors.Highlight"] = fromColor;
resources["MahApps.Brushes.Highlight"] = newBrush; resources["MahApps.Brushes.Highlight"] = newBrush;
}
resources.EndInit();
}
private void OverrideFlyoutResources(ResourceDictionary resources, bool accent = false)
{
var fromColorKey = accent ? "HighlightColor" : "FlyoutColor";
resources.BeginInit();
var fromColor = (Color)resources[fromColorKey];
resources["WhiteColor"] = fromColor;
resources["FlyoutColor"] = fromColor;
var newBrush = new SolidColorBrush(fromColor);
newBrush.Freeze();
resources["FlyoutBackgroundBrush"] = newBrush;
resources["ControlBackgroundBrush"] = newBrush;
resources["WhiteBrush"] = newBrush;
resources["WhiteColorBrush"] = newBrush;
resources["DisabledWhiteBrush"] = newBrush;
resources["WindowBackgroundBrush"] = newBrush;
resources[SystemColors.WindowBrushKey] = newBrush;
if (accent)
{
fromColor = (Color)resources["IdealForegroundColor"];
newBrush = new SolidColorBrush(fromColor);
newBrush.Freeze();
resources["FlyoutForegroundBrush"] = newBrush;
resources["TextBrush"] = newBrush;
resources["LabelTextBrush"] = newBrush;
if (resources.Contains("AccentBaseColor"))
{
fromColor = (Color)resources["AccentBaseColor"];
}
else
{
var accentColor = (Color)resources["AccentColor"];
fromColor = Color.FromArgb(255, accentColor.R, accentColor.G, accentColor.B);
}
newBrush = new SolidColorBrush(fromColor);
newBrush.Freeze();
resources["HighlightColor"] = fromColor;
resources["HighlightBrush"] = newBrush;
}
resources.EndInit();
}
public static void ReplaceDictionary(this ResourceDictionary resourceDictionary, Uri source, ResourceDictionary destination)
{
resourceDictionary.BeginInit();
resourceDictionary.MergedDictionaries.Add(destination);
ResourceDictionary?oldResourceDictionary = resourceDictionary.MergedDictionaries
.FirstOrDefault(x => x.Source == source);
if (oldResourceDictionary != null)
{
resourceDictionary.MergedDictionaries.Remove(oldResourceDictionary);
}
resourceDictionary.EndInit();
}
public ThemeInfo LoadStyles(string appname, string styleName, ResourceDictionary appDic)
{
string path;
string fileName;
GetFullPath(appname, styleName, out path, out fileName);
try
{
var themeName = "";
using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
{
ResourceDictionary dic = (ResourceDictionary)XamlReader.Load(fs);
if (!dic.Contains(THEME_PREFIX))
{
throw new ThemeException("A theme for MediaPoint needs to have a TextBlock marked with x:Name=\"Theme\" while the text should be the name of the theme.");
}
themeName = ((TextBlock)dic[THEME_PREFIX]).Text;
if (PerformInit)
{
appDic.BeginInit();
}
var theme = Application.Current.Resources.MergedDictionaries.FirstOrDefault(rd =>
{
return(rd.Contains(THEME_PREFIX));
});
if (theme != null)
{
appDic.MergedDictionaries.Remove(theme);
}
appDic.MergedDictionaries.Add(dic);
if (PerformInit)
{
appDic.EndInit();
}
CurrentStyleFolder = Path.Combine(path, @"Themes\" + styleName);
return(new ThemeInfo {
Name = themeName, Path = styleName
});
}
}
catch (Exception ex)
{
throw new ThemeException("Style: " + styleName + " contains an invalid WPF ResourceDictionary.\r\n\r\n" + ex.Message + "\r\n\r\n" + ex.StackTrace);
}
}
/// <summary>Makes an attempt to load the replacement resources. If failed - re-creates the replacement source</summary>
private void TryLoadResources()
{
ResourceDictionary replacementDictionary = new ResourceDictionary();
try
{
replacementDictionary.BeginInit();
replacementDictionary.Source = new Uri(replacementSourceFullPath, UriKind.Absolute);
replacementDictionary.EndInit();
Dispatcher.CurrentDispatcher.BeginInvoke(new Action(() => { ReplaceAvailableResources(replacementDictionary); }), DispatcherPriority.Send);
}
catch (WebException)
{
Dispatcher.CurrentDispatcher.BeginInvoke(new Action(() => { RestoreReplacementDictionary(); }), DispatcherPriority.Send);
}
}
/// <summary>
/// Convert dictionary to resources
/// </summary>
/// <param name="brushes"></param>
public void SetBrushes(IDictionary <String, SolidColorBrush> brushes)
{
ResourceDictionary appDict = GetAppDictionary();
ResourceDictionary themeDict = CurrentThemeDictionary;
// Reset visuals
// Setup app style
appDict.BeginInit();
themeDict.Clear();
// Object type not known at this point
foreach (String key in brushes.Keys)
{
themeDict[key] = brushes[key];
}
appDict.EndInit();
}
private void ApplyResourceDictionary(ResourceDictionary oldRd, ResourceDictionary newRd)
{
if (oldRd is null)
{
throw new ArgumentNullException(nameof(oldRd));
}
if (newRd is null)
{
throw new ArgumentNullException(nameof(newRd));
}
oldRd.BeginInit();
this.ApplyResourceDictionaryEntries(oldRd, newRd);
oldRd.EndInit();
}
protected override void OnStartup(StartupEventArgs e)
{
if (!SingleInstance.Start())
{
SingleInstance.ShowFirstInstance();
Shutdown(0);
return;
}
DispatcherHelper.Initialize();
Kernel = new Kernel();
base.OnStartup(e);
ConfigureLogging();
LogTo.Info("Application start");
LogEnvironmentInfo();
var conf = Kernel.Get <IConfig>();
var palette = new PaletteHelper();
palette.SetLightDark(conf.Visual.UseDarkTheme);
palette.ReplaceAccentColor(conf.Visual.AccentColor);
palette.ReplacePrimaryColor(conf.Visual.PrimaryColor);
var swatches = new SwatchesProvider().Swatches.ToArray();
var resDict = new ResourceDictionary();
resDict.BeginInit();
{
resDict.Add("HashtagBrush",
new SolidColorBrush(swatches.First(s => s.Name == conf.Visual.HashtagColor).ExemplarHue.Color));
resDict.Add("LinkBrush",
new SolidColorBrush(swatches.First(s => s.Name == conf.Visual.LinkColor).ExemplarHue.Color));
resDict.Add("MentionBrush",
new SolidColorBrush(swatches.First(s => s.Name == conf.Visual.MentionColor).ExemplarHue.Color));
resDict.Add("GlobalFontSize", (double)conf.Visual.FontSize);
}
resDict.EndInit();
Resources.MergedDictionaries.Add(resDict);
ChangeLanguage(conf.General.Language);
}
private void SetTheme(ResourceDictionary resources, ThemeType newTheme, ThemeType currentTheme)
{
if (currentTheme != newTheme)
{
resources.BeginInit();
if (currentTheme != ThemeType.none)
{
RemoveExistingTheme(resources);
}
if (newTheme != ThemeType.none)
{
resources.MergedDictionaries.Add(newTheme == ThemeType.light ? lightTheme : darkTheme);
}
resources.EndInit();
}
}
public void SetLanguage(Lang newLanguage)
{
ResourceDictionary dict = Application.Current.Resources;
string resname = "Interface.ru.xaml";
switch (newLanguage)
{
case Lang.Russian:
resname = "Interface.ru.xaml";
break;
case Lang.English:
resname = "Interface.en.xaml";
break;
default:
resname = "Interface.ru.xaml";
break;
}
try
{
dict.BeginInit();
int i = 0;
for (i = 0; i < dict.MergedDictionaries.Count; i++)
{
if (((System.Windows.ResourceDictionary)dict.MergedDictionaries[i]).Source.LocalPath.EndsWith(resname))
{
break;
}
}
if (i < dict.MergedDictionaries.Count)
{
ResourceDictionary res = dict.MergedDictionaries[i];
dict.MergedDictionaries.Remove(dict.MergedDictionaries[i]);
dict.MergedDictionaries.Add(res);
}
}
finally
{
dict.EndInit();
}
}
public static void ApplyLanguage(string language)
{
if (language == "en-US")
{
s_stringsDictionary.Source = new Uri(@"Resources\Strings.xaml", UriKind.Relative);
return;
}
if (string.IsNullOrEmpty(language))
{
string path = $"{LanguagesDirectory}{Path.DirectorySeparatorChar}Strings.{CultureInfo.CurrentCulture.Name}.xaml";
if (File.Exists(path))
{
s_stringsDictionary.Source = new Uri(path, UriKind.Absolute);
}
else
{
s_stringsDictionary.Source = new Uri(@"Resources\Strings.xaml", UriKind.Relative);
}
return;
}
foreach (string langPath in Directory.EnumerateFiles(LanguagesDirectory))
{
string file = Path.GetFileName(langPath);
string[] tokens = file.Split('.');
if (tokens.Length < 2)
{
continue;
}
if (tokens[1].Contains(language))
{
s_stringsDictionary.BeginInit();
s_stringsDictionary.Source = new Uri(langPath, UriKind.Absolute);
s_stringsDictionary.EndInit();
return;
}
}
s_stringsDictionary.Source = new Uri(@"Resources\Strings.xaml", UriKind.Relative);
}
public static void ReplaceDictionary(this ResourceDictionary resourceDictionary, Uri source, Uri destination)
{
resourceDictionary.BeginInit();
if (!resourceDictionary.MergedDictionaries.Any(x => x.Source == destination))
{
resourceDictionary.MergedDictionaries.Add(
new ResourceDictionary()
{
Source = destination
});
}
ResourceDictionary oldResourceDictionary = resourceDictionary.MergedDictionaries
.FirstOrDefault(x => x.Source == source);
if (oldResourceDictionary != null)
{
resourceDictionary.MergedDictionaries.Remove(oldResourceDictionary);
}
resourceDictionary.EndInit();
}
public static void SwitchLang(string lang)
{
if (!Languages.Contains(lang))
{
lang = "en";
}
var merged = Application.Current.Resources.MergedDictionaries;
if (CurrentLangDict != null && merged.Contains(CurrentLangDict))
{
merged.Remove(CurrentLangDict);
}
var assemblyName = typeof(Lang).Assembly.GetName().Name;
CurrentLangDict = new ResourceDictionary()
{
Source = new Uri($"pack://application:,,,/{assemblyName};component/Resources/Langs/{lang}.xaml")
};
merged.Add(CurrentLangDict);
CurrentLangDict.BeginInit();
}
private Theme ChangeTheme(object?target, ResourceDictionary resourceDictionary, Theme?oldTheme, Theme newTheme)
{
if (resourceDictionary is null)
{
throw new ArgumentNullException(nameof(resourceDictionary));
}
if (newTheme is null)
{
throw new ArgumentNullException(nameof(newTheme));
}
var themeChanged = false;
if (oldTheme != newTheme)
{
resourceDictionary.BeginInit();
try
{
ResourceDictionary? oldThemeDictionary = null;
List <ResourceDictionary>?oldThemeResources = null;
if (oldTheme is not null)
{
oldThemeDictionary = resourceDictionary.MergedDictionaries.FirstOrDefault(d => Theme.GetThemeInstance(d) == oldTheme);
if (oldThemeDictionary is null)
{
oldThemeResources = resourceDictionary.MergedDictionaries.Where(d => Theme.GetThemeName(d) == oldTheme.Name)
.ToList();
}
}
{
newTheme.EnsureAllLibraryThemeProvidersProvided();
resourceDictionary.MergedDictionaries.Add(newTheme.Resources);
//foreach (var themeResource in newTheme.GetAllResources())
//{
// // todo: Should we really append the theme resources or try to insert them at a specific index?
// // The problem here would be to get the correct index.
// // Inserting them at index 0 is not a good idea as user included resources, like generic.xaml, would be behind our resources.
// //resourceDictionary.MergedDictionaries.Insert(0, themeResource);
// resourceDictionary.MergedDictionaries.Add(themeResource);
//}
}
if (oldThemeDictionary is not null)
{
resourceDictionary.MergedDictionaries.Remove(oldThemeDictionary);
}
else if (oldThemeResources is not null)
{
foreach (var themeResource in oldThemeResources)
{
resourceDictionary.MergedDictionaries.Remove(themeResource);
}
}
themeChanged = true;
}
finally
{
resourceDictionary.EndInit();
}
}
if (themeChanged)
{
this.OnThemeChanged(target, resourceDictionary, oldTheme, newTheme);
}
return(newTheme);
}