private void RemoveFromParent()
{
var cctl = _parent as IContentControl;
if (cctl != null && cctl.Content != this)
{
cctl.Content = null;
}
else
{
var pctl = _parent as IChildrenControl;
if (pctl != null)
{
pctl.Children.Remove(this);
}
else
{
throw new Exception("Unknown IParentControl");
}
}
try
{
DetachedFromParent?.Invoke(this, EventArgs.Empty);
}
catch
{
/* */
}
}
private void OnDetach(object sender, ChildRemovedEventArgs args)
{
var ctrl = args?.Child;
if (sender != _parent || ctrl != this)
{
return;
}
var cctl = sender as IContentControl;
if (cctl != null && cctl.Content != this)
{
cctl.ContentDetached -= OnDetach;
}
else
{
var pctl = sender as IChildrenControl;
if (pctl != null)
{
pctl.ChildRemoved -= OnDetach;
}
else
{
throw new Exception("Unknown IParentControl");
}
}
try
{
DetachedFromParent?.Invoke(this, EventArgs.Empty);
}
catch
{
/* */
}
}
