WPF element host memory leak

Question

I\'m having a strange memory leak using element host on windows forms. I have a main form, which opens another form, the one that only haves the elementhost control on it (which

Answer 1

if the link will break again, here is solution (copy-pasted)

Posted by KGy on 22.10.2010 at 6:12 A possible workaround: Put the following code into the Dispose or another release method of your control/form that contains the ElementHost control.

if (elementHost != null)
{
    FrameworkElement fe = elementHost.Child as FrameworkElement;
    if (fe != null)
    {
        // Memory leak workaround: elementHost.Child.SizeChanged -= elementHost.childFrameworkElement_SizeChanged;
        SizeChangedEventHandler handler = (SizeChangedEventHandler)Delegate.CreateDelegate(typeof(SizeChangedEventHandler), elementHost, "childFrameworkElement_SizeChanged");
        fe.SizeChanged -= handler;
    }
    elementHost.Child = null;
    base.Dispose(disposing);
    elementHost.Dispose();
    elementHost.Parent = null;
    elementHost = null;
}