private void RemoveAllHandledEvents()
{
if (Shown != null)
{
foreach (var @delegate in Shown.GetInvocationList())
{
var h = (EventHandler)@delegate;
Shown -= h;
}
}
if (Closing != null)
{
foreach (var @delegate in Closing.GetInvocationList())
{
var h = (CancelEventHandler)@delegate;
Closing -= h;
}
}
if (Closed != null)
{
foreach (var @delegate in Closed.GetInvocationList())
{
var h = (EventHandler)@delegate;
Closed -= h;
}
}
var p = Parent as FrameworkElement;
if (p != null)
{
p.DataContextChanged -= Parent_DataContextChanged;
}
}
