实现直线的编码裁剪算(Cohen_Sutherland算法)该程序能实现窗口屏幕上任意一条直线的裁剪-achieve linear coding cutting count (Cohen_Sutherland algorithm) to achieve the program window on the screen arbitrary cutting a straight line
另外一个通过Windows API函数SendMessage发送消息的范例,这个范例改变文本框的只读属性-one another through the Windows API function SendMessage messaging paradigm this paradigm shift in the text box CD-Attribute