private static void OnDropSupportChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DropSupportData oldDropSupport = (DropSupportData)e.OldValue;
DropSupportData newDropSupport = (DropSupportData)d.GetValue(DropSupportProperty);
if (d is FrameworkElement == false)
{
return;
}
var ff = (FrameworkElement)d;
if (newDropSupport != null && newDropSupport.BindingPath != null)
{
ff.AllowDrop = true;
ff.Drop += ff_Drop;
ff.PreviewDragOver += ff_PreviewDragOver;
}
else
{
ff.AllowDrop = false;
ff.Drop -= ff_Drop;
ff.PreviewDragOver -= ff_PreviewDragOver;
}
}
public static void SetDropSupport(DependencyObject d, DropSupportData value)
{
d.SetValue(DropSupportProperty, value);
}
public static void SetDropSupport(DependencyObject d, DropSupportData value)
{
d.SetValue(DropSupportProperty, value);
}
