鼠标画线 (利用鼠标画线,右键出现十字确定点) -mouse line drawing (using the mouse to draw lines, right there Crusaders set points)

基于对话框的编程，设置光标的十字定位，了解光标的应用-Dialog-based programming, set the cursor cross position to understand the application of the cursor

Visual C++基础入门1：使用鼠标 鼠标在系统中显示为一个十字，发生鼠标动作时系统产生相应的事件消息，应用程序接收到消息后作出恰当的回应，从而完成命令操作-Getting Started with Visual C++ foundation 1: Use the mouse to mouse in the system appears as a cross, occurs when the system to produce mouse action event messages, t

这是一个易语言写的十字斩技能改全屏攻击的源码()