UndoContext.IsAborted 屬性
取得 UndoContext 物件操作是否為 SetAborted 方法所終止。
命名空間: EnvDTE
組件: EnvDTE (在 EnvDTE.dll 中)
語法
'宣告
ReadOnly Property IsAborted As Boolean
bool IsAborted { get; }
property bool IsAborted {
bool get ();
}
abstract IsAborted : bool with get
function get IsAborted () : boolean
屬性值
類型:Boolean
如果作業被中止,布林值會指示 true,否則,會指示 false。
備註
如果 UndoContext 物件在關閉前已經被 SetAborted 所停用,則針對參與文件進行的所有變更會在 UndoContext 物件關閉時被捨棄。
範例
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 安全性
- 完全信任立即呼叫者。這個成員無法供部分信任的程式碼使用。如需詳細資訊,請參閱從部分受信任程式碼使用程式庫。