private void OnDockingFloatspaceDisposed(object sender, EventArgs e)
{
// Cast to correct type and unhook event handlers so garbage collection can occur
KryptonDockingFloatspace floatspaceElement = (KryptonDockingFloatspace)sender;
floatspaceElement.Disposed -= new EventHandler(OnDockingFloatspaceDisposed);
// Kill the floatspace window
if (!FloatingWindow.IsDisposed)
FloatingWindow.Dispose();
}