trial license file supermap application

ArcGIS_Engine开发实例教程，由于在本教程中主要以Visual Basic.Net 语言开发为主， 所以要求读者在使用 本教程之前先安装Visual Studio2005。然后安装 ArcGIS Engine for .Net，安装完 ArcGIS Engine后安装Engine 的许可文件-ArcGIS_Engine development tutorial examples, as in this tutorial mainly based Visual Basic.Net