/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Control.HandleDestroyed"/> event.
/// </summary>
/// <param name="e">
/// An <see cref="T:System.EventArgs"/> that contains the event data.
/// </param>
protected override void OnHandleDestroyed(EventArgs e)
{
if (DesignMode == false)
{
if (_RenderContext != IntPtr.Zero)
{
// Event handling
OnContextDestroying();
// Destroy context
DeleteContext();
}
// Destroy device context
_DeviceContext.DecRef();
_DeviceContext = null;
}
// Base implementation
base.OnHandleDestroyed(e);
}