VC++裁剪位图示例源代码，不是用鼠标拖动裁剪那种，是在程序里设置形式和参数，直接运行程序就裁剪了，不知对大家有用不，先发上来学习学习。-VC++ sample source code bitmap clipping, not with the mouse to drag the cut that is set in the program forms and parameters, run the program directly on the cut, and I do not know i