/// <summary>
/// Disposes the control.
/// </summary>
protected override void Dispose(bool disposing)
{
if (graphicsDeviceService != null)
{
graphicsDeviceService.Release(disposing);
graphicsDeviceService = null;
}
base.Dispose(disposing);
}
/// <summary>
/// Gets a reference to the singleton instance.
/// </summary>
public static GraphicsDeviceServiceMiniMap AddRef(IntPtr windowHandle,
int width, int height)
{
// Increment the "how many controls sharing the device" reference count.
if (Interlocked.Increment(ref referenceCount) == 1)
{
// If this is the first control to start using the
// device, we must create the singleton instance.
singletonInstance = new GraphicsDeviceServiceMiniMap(windowHandle,
width, height);
}
return singletonInstance;
}
/// <summary>
/// Initializes the control.
/// </summary>
protected override void OnCreateControl()
{
// Don't initialize the graphics device if we are running in the designer.
if (!DesignMode)
{
graphicsDeviceService = GraphicsDeviceServiceMiniMap.AddRef(Handle,
ClientSize.Width,
ClientSize.Height);
// Register the service, so components like ContentManager can find it.
services.AddService<IGraphicsDeviceService>(graphicsDeviceService);
// Give derived classes a chance to initialize themselves.
Initialize();
}
base.OnCreateControl();
}