protected override void OnResized(ResizedEventArgs e)
{
base.OnResized(e);
/* ContentRegion defaults to match our control size until one is manually set,
* so we do squeeze in OnPropertyChanged for it if the control hasn't had a
* ContentRegion specified and then resizes */
if (!_contentRegion.HasValue)
{
OnPropertyChanged(nameof(this.ContentRegion));
}
}
private void ChildOnResized(object sender, ResizedEventArgs e)
{
this.Invalidate();
}