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 Dim graph As Graphic Private Type Lnode 'definition of a node to preserve each type of graphical information Sx As Sy As Single Single Single Tx As Ty As Single Bch As Long As Graphic Color End Type Painting : linear , round rectangle with both methods to achieve Line, the Public Sub Packaging