The drawcontrol is more straightforward and just needs to be added to the map.
而绘图控件则更为直白,只需将其添加到地图即可。
2
An owner-drawcontrol USES programmer-supplied graphics commands to draw a dialog.
一个自绘制控件利用程序员提供的图表命令来绘制一个对话框。
3
It can be used to systematically construct state array and sequence diagram, write logic expressions, and drawcontrol circuit diagram based on technical requirements.