2. Procedures for the interception of all the
mapping information, keyboard information, mouse, other news.
用于截获程序的所有映射消息,键盘消息,鼠标消息等。
3. Since computer
mapping are more popularization, there is an urgent need for the automation of map design.
由于电脑绘图的普及化,在制图方面更迫切的需要地图设计的自动化。