计算机图形学，用MFC（vs2005)进行图形裁剪，有矩形裁剪及圆形裁剪-Computer graphics, MFC (vs2005) graphics cutting a rectangular cut-and-round cutting

用C语言编写的在电脑上运行的电子时钟程序。采用了图形库来进行显示时间，包含里对图形库的简单应用和讲解！- C language used in the operation of the computer on the computer clock program. The use of graphics library to display time, including the simple application of the graphics library and explain