ARCed.Controls.GraphicsDeviceService.AddRef C# (CSharp) Метод

		public static GraphicsDeviceService 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 GraphicsDeviceService(windowHandle,
															  width, height);
			}

			return singletonInstance;
		}