/// <summary>
/// Finds the WPF element where the drop command is attached.
/// </summary>
/// <param name="originalSource">
/// The original source where the Drop,
/// or DragOver, operation is happening.
/// </param>
/// <returns>
/// The element that holds the drop command,
/// or null if none can be found.
/// </returns>
static DependencyObject FindDropCommandHolder(DependencyObject originalSource)
{
var element = originalSource.FindParent <DependencyObject>(t =>
{
return(DragDropManager.GetOnDropCommand(t) != null);
});
return(element);
}
static ICommand FindDropCommand(DependencyObject originalSource)
{
var element = DragDropManager.FindDropCommandHolder(originalSource);
if (element != null)
{
return(DragDropManager.GetOnDropCommand(element));
}
return(null);
}