ArcEngine 这是基于AE组件的源代码，功能还可以。-ArcEngine This is based on the AE components of source code, can also function.

ArcSDE数据库连接测试，使用VB程序调用ArcEngine控件，来检查ArcSDE for sql server连接是否正常-ArcSDE Database connection test, using VB to call ArcEngine controls，check the connection ArcSDE and sql server