CFMessagePort.InvalidationCallback Property
Definition
Important
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Gets or sets the callback invoked when the message port becomes invalid.
public Action? InvalidationCallback { get; set; }member this.InvalidationCallback : Action with get, setProperty Value
The invalidation callback, or null if no callback is installed.
Remarks
Assigning a new callback replaces the previous callback. Assign null to remove it. If the port is already invalid when a callback is assigned, the callback is invoked synchronously.