Practice of Applying VB6.0 to Drawing Engineering Survey Plotting Elements

The databases of soil experiment results, soil property index,drilling soil layer and characters of soil are built up. The three databases are convenient for data collection and inquiry. By means of ActiveX Automation technique in AutoCAD, the application program is developed by Visual Basic 6.0, which consists of recording databases, statistical reports and drawing CAD plotting elements.The program interfaces are simple,clear and easy to use.