单击TOC中对应图层的右键，弹出属性表，GIS程序设计中的基本功能-Click the corresponding layers in the TOC, right pop-up the property sheet, the basic functions of GIS programming

C函数：1.显示鼠标； 2.单击鼠标左或右键后，传递鼠标坐标并返回鼠标键值-C function: 1. Show the mouse 2. Click the mouse left or right, the transfer and return the mouse coordinates of the mouse key

GIS桌面系统开发功能模块，解决在TOC中单击鼠标右键弹出功能菜单-Development of desktop GIS modules, to solve the TOC, click the right mouse button pop-up menu