public WPFContainer(ManagedWPFControl control)
{
// Bugfix #1: When setting child <- control, the control will lose its dimensions.
double width = control.Width;
double height = control.Height;
Child = this.control = control;
control.Width = width;
control.Height = height;
// --------------------------
// Bugfix #2: In order to get key events, we _explicitly_ need to focus the child control.
control.Focusable = true;
control.PreviewMouseDown += onMouseDown;
AutoSize = true;
SetAutoSizeMode(AutoSizeMode.GrowAndShrink);
}
protected override void Dispose(bool disposing)
{
if (!IsDisposed)
{
// Workaround to fix... or alleviate a memory leak.
control.Dispose();
control.PreviewMouseDown -= onMouseDown;
var fe = Child as System.Windows.FrameworkElement;
if (fe != null)
{
// Memory leak workaround: elementHost.Child.SizeChanged -= elementHost.childFrameworkElement_SizeChanged;
var handler = (System.Windows.SizeChangedEventHandler)Delegate.CreateDelegate(typeof(System.Windows.SizeChangedEventHandler), this, "childFrameworkElement_SizeChanged");
fe.SizeChanged -= handler;
}
control = null;
Child = null;
}
base.Dispose(disposing);
}