visual basic for application 绘制多边形

绘制多边形的代码
Sub 绘制多边形()
    Dim triArray(1 To 4, 1 To 2) As Single

    triArray(1, 1) = 25
    
    triArray(1, 2) = 100
    
    triArray(2, 1) = 100
    
    triArray(2, 2) = 150
    
    triArray(3, 1) = 150
    
    triArray(3, 2) = 150
    
    triArray(4, 1) = 25     ' Last point has same coordinates as first
    
    triArray(4, 2) = 100
    
    Set myDocument = ActivePresentation.Slides(1)
    
    myDocument.Shapes.AddPolyline SafeArrayOfPoints:=triArray

End Sub

triArray(1, 1) = 25代表什么?triArray(1, 1) = 25和 triArray(1, 2) = 100是一对,代表坐标(25,100)。总共4个坐标,但3个不同的坐标,组成一个三角形。

补充:

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保存为pptm格式。

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