GxDialog の使用

'GxDialogの使用
Publig Sub ShowGxDialogUsingJPGFilter()
    
    Dim pGxDialog As IGxDialog
    Set pGxDialog = New GxDialog
    
    Dim pGxObjectFilterCollection  As IGxObjectFilterCollection
    Set pGxObjectFilterCollection = pGxDialog
    
    Dim pGxObjectFilter As IGxObjectFilter
    Set pGxObjectFilter = New RasterFormatJPGFilter
    'RasterFormatJPGFilter ※このクラスは使用できない
    'RasterFormatBMPFilter
    
    Set pGxDialog.ObjectFilter = pGxObjectFilter
'    pGxObjectFilterCollection.AddFilter pGxObjectFilter, True '複数フィルタを設定する場合に使用

    pGxDialog.AllowMultiSelect = False
    pGxDialog.ButtonCaption = "開く"
    pGxDialog.Title = "JPGを選択"
    
    
    Dim pEnumGxObject As IEnumGxObject
    
    pGxDialog.DoModalOpen 0, pEnumGxObject
    pEnumGxObject.Reset
    
    Dim pGxObject As IGxObject
    Set pGxObject = pEnumGxObject.Next
    
    If pGxObject Is Nothing Then
        Exit Sub
    ElseIf TypeOf pGxObject Is IGxDataset Then
        
        Dim pGxDataset As IGxDataset
        Set pGxDataset = pGxObject
'        pGxDataset.Dataset '<--これがRasterDatasetオブジェクト

        Debug.Print pGxDataset.DatasetName.WorkspaceName.PathName  'フォルダパス
        Debug.Print pGxDataset.Dataset.Name  'ファイル名
        
    End If

End Sub