WinDataDrivenAdapter.UnregisterEventListener Method
Definition
Important
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Facilitates explicit WinDDA event listener unregistration. Called for every registered event on Dispose().
public:
override bool UnregisterEventListener(System::String ^ eventName, System::String ^ controlName, EventHandler<Microsoft::Uii::HostedApplicationToolkit::DataDrivenAdapter::ControlChangedEventArgs ^> ^ listenerCallback);public override bool UnregisterEventListener (string eventName, string controlName, EventHandler<Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter.ControlChangedEventArgs> listenerCallback);override this.UnregisterEventListener : string * string * EventHandler<Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter.ControlChangedEventArgs> -> boolPublic Overrides Function UnregisterEventListener (eventName As String, controlName As String, listenerCallback As EventHandler(Of ControlChangedEventArgs)) As BooleanParameters
- eventName
- String
Specifies the name of the event.
- controlName
- String
Specifies the name of the control. Event listener registration can be scoped at the data driven adapter control level (specify blank or null to omit).
- listenerCallback
- EventHandler<ControlChangedEventArgs>
Specifies the callback associated with the listener.
Returns
Returns a Boolean value that specifies whether the unregistration was successful (duplicate unregistration attempts return false). True when successful, otherwise false.
Exceptions
eventName and listenerCallback must not be null.