Control.ControlAccessibleObject.RaiseLiveRegionChanged Method
Definition
Important
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Raises the LiveRegionChanged UI automation event.
public:
override bool RaiseLiveRegionChanged();public override bool RaiseLiveRegionChanged ();override this.RaiseLiveRegionChanged : unit -> boolPublic Overrides Function RaiseLiveRegionChanged () As BooleanReturns
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.
