本文整理汇总了C#中System.Windows.DependencyObject.GetQueryContinueDragHandlers方法的典型用法代码示例。如果您正苦于以下问题:C# DependencyObject.GetQueryContinueDragHandlers方法的具体用法?C# DependencyObject.GetQueryContinueDragHandlers怎么用?C# DependencyObject.GetQueryContinueDragHandlers使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Windows.DependencyObject
的用法示例。
在下文中一共展示了DependencyObject.GetQueryContinueDragHandlers方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: AddQueryContinueDragHandler
internal static void AddQueryContinueDragHandler(DependencyObject element, CustomQueryContinueDragEventHandler handler, bool handledEventsToo)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
if (handler == null)
{
throw new ArgumentNullException("handler");
}
CustomExtendedRoutedEventHandlerCollection<CustomQueryContinueDragEventHandler, CustomQueryContinueDragEventArgs> queryContinueDragHandlers = element.GetQueryContinueDragHandlers();
CustomExtendedRoutedEventHandlerCollection<CustomQueryContinueDragEventHandler, CustomQueryContinueDragEventArgs> handlers2 = queryContinueDragHandlers ?? new CustomExtendedRoutedEventHandlerCollection<CustomQueryContinueDragEventHandler, CustomQueryContinueDragEventArgs>((h, a) => h(element, a));
handlers2.Add(handler, handledEventsToo);
if (handlers2 != queryContinueDragHandlers)
{
element.SetValue(QueryContinueDragHandlerProperty, handlers2);
}
}
示例2: RemoveQueryContinueDragHandler
internal static void RemoveQueryContinueDragHandler(DependencyObject element, CustomQueryContinueDragEventHandler handler)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
if (handler == null)
{
throw new ArgumentNullException("handler");
}
CustomExtendedRoutedEventHandlerCollection<CustomQueryContinueDragEventHandler, CustomQueryContinueDragEventArgs> queryContinueDragHandlers = element.GetQueryContinueDragHandlers();
if (queryContinueDragHandlers != null)
{
queryContinueDragHandlers.Remove(handler);
}
}
示例3: AddQueryContinueDragHandler
/// <summary>
/// Adds a handler to the attached QueryContinueDrag event.
/// </summary>
/// <param name="element">The DependencyObject to attach an event handler for.</param>
/// <param name="handler">The event handler.</param>
/// <param name="handledEventsToo">A value Indicating whether to invoke the
/// handler if the event has been handled.</param>
internal static void AddQueryContinueDragHandler(DependencyObject element, QueryContinueDragEventHandler handler, bool handledEventsToo)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
if (handler == null)
{
throw new ArgumentNullException("handler");
}
ExtendedRoutedEventHandlerCollection<QueryContinueDragEventHandler, QueryContinueDragEventArgs> originalHandlers = element.GetQueryContinueDragHandlers();
ExtendedRoutedEventHandlerCollection<QueryContinueDragEventHandler, QueryContinueDragEventArgs> handlers = originalHandlers ?? new ExtendedRoutedEventHandlerCollection<QueryContinueDragEventHandler, QueryContinueDragEventArgs>((h, a) => h(element, a));
handlers.Add(handler, handledEventsToo);
if (handlers != originalHandlers)
{
element.SetValue(QueryContinueDragHandlerProperty, handlers);
}
}