Eto.Drawing.Bitmap.Lock C# (CSharp) Méthode

		public BitmapData Lock()
		{
			return Handler.Lock();
		}

		void DrawTest(Bitmap image)
		{
			// should always ensure .Dispose() is called when you are done with a Graphics or BitmapData object.

			// Test setting pixels directly
			using (var bd = image.Lock())
			{
				var sz = image.Size / 5;
				for (int x = sz.Width; x < sz.Width * 2; x++)
					for (int y = sz.Height; y < sz.Height * 2; y++)
						bd.SetPixel(x, y, Colors.Green);
			}

			// Test using Graphics object
			using (var graphics = new Graphics(image))
			{
				graphics.DrawLine(Pens.Blue, Point.Empty, new Point(image.Size));
				graphics.DrawRectangle(Pens.Blue, new Rectangle(image.Size - 1));
			}

			// should be able to set pixels after using graphics object
			using (var bd = image.Lock())
			{
				var sz = image.Size / 5;
				for (int x = sz.Width * 3; x < sz.Width * 4; x++)
					for (int y = sz.Height * 3; y < sz.Height * 4; y++)
						bd.SetPixel(x, y, Colors.Red);
			}

		}