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Proprietà _DTE.UndoContext

Ottiene l'oggetto globale UndoContext.

Spazio dei nomi:  EnvDTE
Assembly:  EnvDTE (in EnvDTE.dll)

Sintassi

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

Valore proprietà

Tipo: EnvDTE.UndoContext
Un oggetto UndoContext.

Esempi

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

Sicurezza di .NET Framework

Vedere anche

Riferimenti

_DTE Interfaccia

Spazio dei nomi EnvDTE