Introduction - If you have any usage issues, please Google them yourself
Visual C# dynamic modification of pictures- adding descriptive information the image, similar to the picture watermark function, especially add text printed text, written on the selected pictures give a specific ID number, also need to determine whether the type of image file types, not go into here, to define a rectangular area, later in this rectangle painted in black and white, custom fonts, brushes, painting with text, image output processing, the specific code, please refer to the source tarba