DTE2.UndoContext Property

Reference

Definition

Namespace:: EnvDTE80

Assembly:: EnvDTE80.dll

Assembly:: Microsoft.VisualStudio.Interop.dll

Package:: Microsoft.VisualStudio.Interop v17.12.40391

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets the global UndoContext object.

public:
 property EnvDTE::UndoContext ^ UndoContext { EnvDTE::UndoContext ^ get(); };

public:
 property EnvDTE::UndoContext ^ UndoContext { EnvDTE::UndoContext ^ get(); };

[System.Runtime.InteropServices.DispId(235)]
public EnvDTE.UndoContext UndoContext { [System.Runtime.InteropServices.DispId(235)] get; }

[<System.Runtime.InteropServices.DispId(235)>]
[<get: System.Runtime.InteropServices.DispId(235)>]
member this.UndoContext : EnvDTE.UndoContext

Public ReadOnly Property UndoContext As UndoContext

Property Value

UndoContext

A UndoContext object.

Implements

UndoContext

Attributes: DispIdAttribute

Examples

Sub UndoContextExample()  
   Dim selection As TextSelection = DTE2.ActiveDocument.Selection()  
   Dim start As EditPoint = selection.TopPoint.CreateEditPoint()  
   Dim endpt As TextPoint = selection.BottomPoint  
   Dim commentStart As String  

   DTE2.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.  
      DTE2.UndoContext.Close()  
   End Try  
End Sub

Applies to

Partager via