DataDrivenAdapterBase.UnregisterEventListener Method
Definition
Important
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Facilitates explicit data-driven adapter event listener unregistration. Called for every registered event on Dispose
.
public:
abstract bool UnregisterEventListener(System::String ^ eventName, System::String ^ controlName, EventHandler<Microsoft::Uii::HostedApplicationToolkit::DataDrivenAdapter::ControlChangedEventArgs ^> ^ listenerCallback);
public abstract bool UnregisterEventListener (string eventName, string controlName, EventHandler<Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter.ControlChangedEventArgs> listenerCallback);
abstract member UnregisterEventListener : string * string * EventHandler<Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter.ControlChangedEventArgs> -> bool
Public MustOverride Function UnregisterEventListener (eventName As String, controlName As String, listenerCallback As EventHandler(Of ControlChangedEventArgs)) As Boolean
Parameters
- eventName
- String
Specifies the name of the event.
- controlName
- String
Specifies the control name. Event listener registration can be scoped at the data-driven adapter control level (specify blank or null to omit).
- listenerCallback
- EventHandler<ControlChangedEventArgs>
Callback associated with the listener.
Returns
Returns true
if the unregistration was successful (duplicate unregistration attempts return false
).
Exceptions
eventName
and listenerCallback
must not be null.