TracedEvent.AttachIfNotFired(Action, Boolean) Method
Definition
Important
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Attach the event handler only if the event has not fired before.
You may specify invokeIfFired = true if you want to invoke the handler right away
if the event has fired before.
public bool AttachIfNotFired (Action handler, bool invokeIfFired = false);member this.AttachIfNotFired : Action * bool -> boolPublic Function AttachIfNotFired (handler As Action, Optional invokeIfFired As Boolean = false) As BooleanParameters
- handler
- Action
The event handler to attach, not null.
- invokeIfFired
- Boolean
A value indicating whether to invoke the handler if the event has fired before.
Returns
True if the handler is attached; Otherwise, false.