ArcObjects,VBA,esriCarto

      2017/12/09

'ArcGIS 10.1 SP1を入れるとIDataStatistics::UniqueValueでメモリリーク エラーとなる。その場合の回避方法。
Sub test()
  Dim pMxDoc As IMxDocument, pFLayer As IFeatureLayer
  Dim pCursor As ICursor
  Set pMxDoc = ThisDocument
  Set pFLayer = pMxDoc.FocusMap.Layer(0)
   
  Set pCursor = pFLayer.Search(Nothing, False)
   
  Dim pUniqueValueRenderer As IUniqueValueRenderer
  Set pUniqueValueRenderer = New UniqueValueRenderer
   
  pUniqueValueRenderer.FieldCount = 1
  pUniqueValueRenderer.Field(0) = "P_NUM"
     
  Dim pRow As IRow
  Set pRow = pCursor.NextRow
   
  Do Until pRow Is Nothing
    pUniqueValueRenderer.AddValue pRow.value(9), "", Nothing
    Set pRow = pCursor.NextRow
   
  Loop
   
  Debug.Print pUniqueValueRenderer.ValueCount
   
  Dim i As Long
  For i = 0 To pUniqueValueRenderer.ValueCount - 1
   
    Debug.Print pUniqueValueRenderer.value(i)
   
  Next i
 
End Sub

 - プログラミング, ArcGIS , ,