visitor.vb

来自「苏金明编写的《用VB.NET和VC#.NET开发交互式CAD系统》一书的源代码」· VB 代码 · 共 7 行

VB
7
字号
Public MustInherit Class Visitor

    Public MustOverride Sub toDraw(ByVal g As Graphics, ByVal line As CLine)
    Public MustOverride Sub toDraw(ByVal g As Graphics, ByVal circle As CCircle)

End Class

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