A reusable identifier for an event callback argument of type TArg.
Use the EventArg.Create factory method to create instances of this class and
EventArg<T0>.Register, EventArg<T0>.Unregister to assign argument values
to individual elements for all callbacks that use this argument identifier in their definition.
Additional resources: EventArg, EventCallback.Create
| Method | Description |
|---|---|
| Register | Sets a value for the provided element for this argument identifier. That value can then be retrieved by callbacks that have a second argument of the same type. |
| Unregister | Removes the value for the provided element for this argument identifier. Until a new value is set, a value can no longer be retrieved by callbacks that have a second argument of the same type. |
| Method | Description |
|---|---|
| Create | Creates a EventArg<T0> containing a unique identifier. |