public void DrawForms(Graphics g)//画图元控件
{
for (int i = 0; i < ListTuYuan.Count; i++)
{
CBase COb = ListTuYuan[i];
//if (COb.ElementType == LCElementType.Pipe || COb.ElementType == LCElementType.Ring || COb.ElementType == LCElementType.TEXT || COb.ElementType == LCElementType.ELLIPS)
{
COb.Draw(g);
}
}
}