ITinSelection の使用

’ ITinSelectionの使用
Public Sub Test()
    '現在のドキュメントを取得
    Dim pMxDocument As IMxDocument
    Set pMxDocument = ThisDocument
    
    'アクティブなデータフレームの取得
    Dim pMap As IMap
    Set pMap = pMxDocument.FocusMap
    
    'レイヤを取得
    Dim pTinLayer As ITinLayer
    Set pTinLayer = pMap.Layer(0)
    
    Dim pTin As ITin
    Set pTin = pTinLayer.Dataset
    
    Dim pTinSelection As ITinSelection
    Set pTinSelection = pTin
    
    Call pTinSelection.SelectByEnvelope(esriTinTriangle, pMxDocument.ActiveView.Extent, False, False, esriTinSelectionNew)
'    Call pTinSelection.SelectAll(esriTinTriangle, True)
    
    Debug.Print pTinSelection.SelectedElementCount(esriTinTriangle)
    
    pMxDocument.ActiveView.Refresh
    
End Sub