WebDataDrivenAdapter.UnregisterEventListener Method (String, String, EventHandler<ControlChangedEventArgs>)
Applies To: Dynamics 365 (online), Dynamics 365 (on-premises), Dynamics CRM 2013, Dynamics CRM 2015, Dynamics CRM 2016
Facilitates explicit WebDDA event listener unregistration. Called for every registered event on Dispose().
Namespace: Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter
Assembly: Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter (in Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter.dll)
Syntax
public override bool UnregisterEventListener(
string eventName,
string controlName,
EventHandler<ControlChangedEventArgs> listenerCallback
)
Public Overrides Function UnregisterEventListener (
eventName As String,
controlName As String,
listenerCallback As EventHandler(Of ControlChangedEventArgs)
) As Boolean
Parameters
eventName
Type: System.StringSpecifies the name of the event.
controlName
Type: System.StringSpecifies 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
Type: System.EventHandler<ControlChangedEventArgs>Specifies the callback associated with the listener.
Return Value
Type: System.Boolean
True if unregistration was successful (duplicate unregistration attempts return false).
Exceptions
Exception | Condition |
---|---|
ArgumentNullException | EventName and ListenerCallback must not be null. |
See Also
WebDataDrivenAdapter Class
Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter Namespace
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