使用MFC写的画图小程序，画图使用图形学算法，界面仿照windows画图程序-Paint using MFC to write a small program, drawing the use of graphics algorithms, the interface along the lines of windows drawing program

基于MFC的小程序，可以用于用户的保密设置，输入用户名和密码后可以进入界面（本应用程序中，用户名和密码均设置为a），用鼠标进行简单的画图操作-A small program based on VC MFC，which can be used to confidential setting.Inputting user name and password,you can enter a graphic masks(The user name and password are setted as "