Propriedade _DTE.UndoContext

Obtém o objeto global UndoContext.

Namespace:  EnvDTE
Assembly:  EnvDTE (em EnvDTE. dll)

Sintaxe

ReadOnly Property UndoContext As UndoContext

Dim instance As _DTE
Dim value As UndoContext

value = instance.UndoContext
UndoContext UndoContext { get; }

Valor da propriedade

Tipo: EnvDTE.UndoContext
A UndoContext object.

Exemplos

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

Permissões

Consulte também

Referência

_DTE Interface

_DTE Membros

Espaço para nome EnvDTE