UndoContext.IsAborted Property
Gets whether the UndoContext object operation was terminated by the SetAborted method.
Namespace: EnvDTE
Assembly: EnvDTE (in EnvDTE.dll)
Syntax
'Declaration
ReadOnly Property IsAborted As Boolean
bool IsAborted { get; }
property bool IsAborted {
bool get ();
}
abstract IsAborted : bool with get
function get IsAborted () : boolean
Property Value
Type: System.Boolean
A Boolean value indicating true if the operation was aborted, false if not.
Remarks
If the UndoContext object is disabled by SetAborted before being closed, all changes made to participating documents will be discarded when the UndoContext object is closed.
Examples
Sub IsAbortedExample()
' Before running, select text in an open document.
Dim txtSel As TextSelection
Dim strTS As String, strAnswer As String, bIsOpen As Boolean
txtSel = DTE.ActiveDocument.Selection
strTS = txtSel.Text
' Check to see if UndoContext object is already open.
If DTE.UndoContext.IsOpen = True Then
bIsOpen = True
Else
' Open the UndoContext object to track changes.
DTE.UndoContext.Open("RemoveNewLines", False)
End If
MsgBox("Current IsAborted value: " & DTE.UndoContext.IsAborted)
' Perform search for newline characters and remove them.
If strTS <> "" Then
txtSel.Delete()
strTS = Replace(strTS, vbNewLine, "", Compare:=vbTextCompare)
txtSel.Insert(strTS)
End If
' Check to see if you want to discard changes.
strAnswer = MsgBox("Do you want to discard all changes made?", vbYesNo & vbQuestion)
If strAnswer = True Then
DTE.UndoContext.SetAborted()
MsgBox("Current IsAborted value: " & DTE.UndoContext.IsAborted)
End If
' If UndoContext was already open, don't close it.
If bIsOpen = True Then
' Close the UndoContext object to commit the changes.
DTE.UndoContext.Close()
End If
End Sub
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.