Control.ControlAccessibleObject.RaiseLiveRegionChanged Method
Definition
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.
Raises the LiveRegionChanged UI automation event.
public:
override bool RaiseLiveRegionChanged();
public override bool RaiseLiveRegionChanged ();
override this.RaiseLiveRegionChanged : unit -> bool
Public Overrides Function RaiseLiveRegionChanged () As Boolean
Returns
true
if the operation succeeds; otherwise, false
otherwise.
Exceptions
The owner control is not a live region.
Remarks
For this method to be effective, the control must implement the System.Windows.Forms.Automation.IAutomationLiveRegion interface, and its LiveSetting
property must return either AutomationLiveSetting.Polite or Assertive. In addition, the application must be recompiled to target .NET Framework 4.8 or opt in to this feature by using compatibility switches.
Applies to
意見反應
https://aka.ms/ContentUserFeedback。
即將登場:在 2024 年,我們將逐步淘汰 GitHub 問題作為內容的意見反應機制,並將它取代為新的意見反應系統。 如需詳細資訊,請參閱:提交並檢視相關的意見反應