public static void SetApplyMode(FrameworkElement element, ImplicitStylesApplyMode value)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
element.SetValue(ApplyModeProperty, value);
}
/// <summary>
/// ApplyModeProperty property changed handler.
/// </summary>
/// <param name="dependencyObject">FrameworkElement that changed its
/// ApplyMode.</param>
/// <param name="eventArgs">Event arguments.</param>
private static void OnApplyModePropertyChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs eventArgs)
{
FrameworkElement element = dependencyObject as FrameworkElement;
if (element == null)
{
throw new ArgumentNullException("dependencyObject");
}
ImplicitStylesApplyMode oldMode = (ImplicitStylesApplyMode)eventArgs.OldValue;
ImplicitStylesApplyMode newMode = (ImplicitStylesApplyMode)eventArgs.NewValue;
ImplicitStyleManager.SetHasBeenStyled(element, false);
EventHandler eventHandler = ImplicitStyleManager.GetLayoutUpdatedHandler(element);
// If element is automatically styled (once or always) attach event
// handler.
if ((newMode == ImplicitStylesApplyMode.Auto || newMode == ImplicitStylesApplyMode.OneTime) &&
oldMode == ImplicitStylesApplyMode.None)
{
if (eventHandler == null)
{
eventHandler =
(sender, args) =>
{
ImplicitStyleManager.PropagateStyles(element, false);
};
ImplicitStyleManager.SetLayoutUpdatedHandler(element, eventHandler);
element.LayoutUpdated += eventHandler;
}
}
else if ((oldMode == ImplicitStylesApplyMode.Auto || oldMode == ImplicitStylesApplyMode.OneTime) &&
newMode == ImplicitStylesApplyMode.None)
{
if (eventHandler != null)
{
element.LayoutUpdated -= eventHandler;
ImplicitStyleManager.SetLayoutUpdatedHandler(element, null);
}
}
}
/// <summary>
/// Initializes a new instance of the Theme class.
/// </summary>
private Theme()
{
// Default the ApplyMode to OneTime
ApplyMode = ImplicitStylesApplyMode.OneTime;
}
public static void SetApplyMode(FrameworkElement element, ImplicitStylesApplyMode value)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
element.SetValue(ApplyModeProperty, value);
}
/// <summary>
/// Initializes a new instance of the Theme class.
/// </summary>
private Theme()
{
// Default the ApplyMode to OneTime
ApplyMode = ImplicitStylesApplyMode.OneTime;
}
