Introduction - If you have any usage issues, please Google them yourself
An implementation based on C# winform tools Watermark picture watermark source file, C# graphics related example, has a certain reference value. Can add text watermark and image watermark, using System.Drawing.Image copyImage the picture watermark, save the watermarked images will be deleted after the original picture. Tip: Keep the watermarked image to a copy of the tool deletes the original watermarked image, just save the watermarked image