简易的画图程序，基于VB源代码实现可先把画笔颜色、设置画笔尺寸、先把所画的图形，包括矩形、圆形和直线三种模式，画错了可清除画布，画完可保存图像。-Simple paint program, the first brush color, set the brush size based on the VB source code, graphics drawn by the first three modes, including rectangular, circular and straight line, draw the wrong clear the canvas, unfinished store images .