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_DTE.UndoContext (Propiedad)

Obtiene el objeto UndoContext global.

Espacio de nombres:  EnvDTE
Ensamblado:  EnvDTE (en EnvDTE.dll)

Sintaxis

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

Valor de propiedad

Tipo: EnvDTE.UndoContext
Un objeto UndoContext.

Ejemplos

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

Seguridad de .NET Framework

Vea también

Referencia

_DTE Interfaz

EnvDTE (Espacio de nombres)