WinDataDrivenAdapter.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 WinDDA 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.String

  Specifies the name of the event.

• controlName
  Type: System.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
  Type: System.EventHandler<ControlChangedEventArgs>

  Specifies the callback associated with the listener.

Return Value

Type: System.Boolean

Returns a Boolean value that specifies whether the unregistration was successful (duplicate unregistration attempts return false). True when successful, otherwise false.

Exceptions

Exception	Condition
ArgumentNullException	eventName and listenerCallback must not be null.

See Also

WinDataDrivenAdapter Class
Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter Namespace

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