Método OnExportPages de la interfaz IDocumentViewerEvents

HRESULT OnExportPages(
  BSTR                 FileName,
  FileExportFormatEnum Format,
  IIntsCollection*     PageIndices,
  IUnknown*            ExportParams,
  VARIANT_BOOL*        Cancel
);

void OnExportPages(
  string               FileName,
  FileExportFormatEnum Format,
  IIntsCollection      PageIndices,
  object               ExportParams,
  out bool             Cancel
);

Sub OnActivePageChanging( _
  FileName As String, _
  Format As FileExportFormatEnum, _
  PageIndices As IIntsCollection, _
  ExportParams As Object, _
  ByRef Cancel As Boolean
)