Introduction - If you have any usage issues, please Google them yourself
C# winform realization of the simulation drawing program. Main Function: draw lines, rectangles, rubber, round, switch colors, open the picture, save the picture, clear pictures, manually adjust the size of the canvas Software has just started, as a blank canvas, we can paint directly on the canvas, You can also menu "Open" to import a picture, and then we can draw on in this picture.