用VC6.0编写的基于对话框的画图测试工程。 可以实现在对话框中画图。自己做的，比较简单，使用于初学者学习或需要此功能的人士。-Prepared using VC6.0 dialog-based test engineering drawing. Paint can be achieved in the dialog box. Do it yourself, simple to use for beginners to learn or those who need this feature