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_DTE.UndoContext Özellik

Genel alır UndoContext nesne.

Ad alanı:  EnvDTE
Derleme:  EnvDTE (EnvDTE.dll içinde)

Sözdizimi

'Bildirim
ReadOnly Property UndoContext As UndoContext
UndoContext UndoContext { get; }
property UndoContext^ UndoContext {
    UndoContext^ get ();
}
abstract UndoContext : UndoContext
function get UndoContext () : UndoContext

Özellik Değeri

Tür: EnvDTE.UndoContext
UndoContext nesnesi

Örnekler

Sub UndoContextExample()
   Dim selection As TextSelection = DTE.ActiveDocument.Selection()
   Dim start As EditPoint = selection.TopPoint.CreateEditPoint()
   Dim endpt As TextPoint = selection.BottomPoint
   Dim commentStart As String

   DTE.UndoContext.Open("Comment Region")
   Try
      Do While (start.LessThan(endpt))
         start.Insert(commentStart)
         start.LineDown()
         start.StartOfLine()
      Loop
   Finally
      ' If an error occured, then need to make sure that the undo 
      ' context is cleaned up. Otherwise, the editor can be left in a 
      ' perpetual undo context.
      DTE.UndoContext.Close()
   End Try
End Sub

.NET Framework Güvenliği

Ayrıca bkz.

Başvuru

_DTE Arabirim

EnvDTE Ad Alanı