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vb异或:VB实现几何对象的空间分析操作(交、并、差、异或)

Dim shape1 As Boolean 判断是否已经获得个几何形状Dim shp As Object 第个输入形状Dim shp2 As Object 第 2个输入形状Private Sub Form_Load　　Option3.Caption = "差运算"　　Option4.Caption = "交运算"　　Option5.Caption = "并运算"　　Option6.Caption = "异或运算"　　Option7.Caption = "线"　　Option8.Caption = "多边形"　　shape1 = True　　Dim dc As [阅读全文] [PDF]