ポリゴンのバーテックスを取得

'ポリゴンの座標値を表示する方法
Sub subGetVertex()

Dim pMxDoc As IMxDocument
Set pMxDoc = ThisDocument

Dim pFlayer As IFeatureLayer
Set pFlayer = pMxDoc.FocusMap.Layer(0)

Dim pFClass As IFeatureClass
Set pFClass = pFlayer.FeatureClass

Dim pFeature As IFeature
Set pFeature = pFClass.GetFeature(1)

'フィーチャからジオメトリを取得
Dim pGeometry As IGeometry
Set pGeometry = pFeature.Shape

'ポリゴンやポリラインはIPointCollectionをサポートしている
Dim pPCollection As IPointCollection
Set pPCollection = pGeometry

'頂点取得用のPointオブジェクト
Dim pPoint As IPoint

Dim i As Long

For i = 0 To pPCollection.PointCount - 1
    Set pPoint = pPCollection.Point(i)
    
    Debug.Print pPoint.X, pPoint.Y
    
Next i

End Sub