TriggerClientEvent: Difference between revisions
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Revision as of 13:17, 11 June 2007
This function triggers an event on clients. This is the primary means of passing information between the server and the client. Clients have a similar triggerServerEvent function that can do the reverse. You can treat this function as if it was an asynchronous function call, using triggerServerEvent to pass back any returned information if necessary.
The key limitation of this is you cannot pass tables of information using this. Any other data types should work as expected, including elements. Special data types like xmlNodes will not be able to be passed as they do not necessarily have a valid representation on the client.
Events are sent reliably, so clients will receive them, but there may be (but shouldn't be) a significant delay before they are received. You should take this into account when using them.
Syntax
bool triggerClientEvent ( [element triggerFor=getRootElement()], string name, element theElement, [arguments...] )
Required Arguments
- name: The name of the event to trigger client side. You should register this event with addEvent and add at least one event handler using addEventHandler.
- theElement: The element that is the source of the event. This could be another player, or if this isn't relevant, use the root element.
Optional Arguments
NOTE: When using optional arguments, you might need to supply all arguments before the one you wish to use. For more information on optional arguments, see optional arguments.
- triggerFor: The event will be triggered on all players that are children of the specified element. By default this is the root element, and hence the event is triggered on all elements. If you specify a single player it will just be triggered for that player.
- arguments...: A list of arguments to trigger with the event. You cannot pass tables or any MTA special data types except elements.
Returns
Returns true if the event trigger has been sent, false if invalid arguments were specified.
Example
This example does...
--This line does... blabhalbalhb --abababa --This line does this... mooo