/// <summary>
/// ResourceDictionaryUriProperty property changed handler.
/// </summary>
/// <param name="dependencyObject">FrameworkElement that changed its
/// ResourceDictionaryUri.</param>
/// <param name="eventArgs">Event arguments.</param>
private static void OnResourceDictionaryUriPropertyChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs eventArgs)
{
FrameworkElement element = dependencyObject as FrameworkElement;
if (element != null)
{
Uri value = (Uri)eventArgs.NewValue;
ResourceDictionary resourceDictionary = null;
if (value != null)
{
try
{
resourceDictionary = Parse(value);
ImplicitStyleManager.SetExternalResourceDictionary(element, resourceDictionary);
}
catch (Exception)
{
element.ClearValue(ImplicitStyleManager.ExternalResourceDictionaryProperty);
throw;
}
}
else
{
element.ClearValue(ImplicitStyleManager.ExternalResourceDictionaryProperty);
}
}
}
/// <summary>
/// Load a theme from a resource stream.
/// </summary>
/// <param name="themeResourceStream">
/// A resource stream containing the theme to load.
/// </param>
private void LoadTheme(Stream themeResourceStream)
{
Debug.Assert(themeResourceStream != null, "themeResourceStream should not be null!");
// Load the theme
using (Stream stream = themeResourceStream)
{
ResourceDictionary resources = ResourceParser.Parse(stream, true);
ImplicitStyleManager.SetExternalResourceDictionary(this, resources);
}
}
