画图工具L c R G NONE End Enum Dim graph As Graphic Private Type Lnode’定义一个节点类型来 保存每个图形的信息 Sx As Single Sy As Single Tx As Single Ty As Single Bch As Graphic Color As Long End Type 画图:直线,圆跟矩形都用Line方法来实现,封装在Public Sub-drawing tools c R L G NONE End Enum Di