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Program

This is the program class. It provides a program that runs in a window.

Extends: VisualElement

Properties

Property	Type	Default	Description
program	table	nil	The program instance
path	string	""	The path to the program
running	boolean	false	Whether the program is running
errorCallback	function	nil	The error callback function
doneCallback	function	nil	The done callback function

Functions

Method	Returns	Description
Program:execute	Program	Executes a program
Program:stop	Program	Stops the program
Program:sendEvent	Program	Sends an event to the program
Program:onError	Program	Registers a callback for the program's error event
Program:onDone	Program	Registers a callback for the program's done event

Program:execute(path, env?, addEnvironment?)

Executes a program

Parameters

path string The path to the program
env (optional) table The environment to run the program in
addEnvironment (optional) boolean Whether to add the environment to the program's environment (false = overwrite instead of adding)

Returns

Program self The Program instance

Program:stop()

Stops the program

Returns

Program self The Program instance

Program:sendEvent(event, any)

Sends an event to the program

Parameters

event string The event to send
any The event arguments

Returns

Program self The Program instance

Program:onError(fn)

Registers a callback for the program's error event, if the function returns false, the program won't stop

Parameters

fn function The callback function to register

Returns

Program self The Program instance

Program:onDone(fn)

Registers a callback for the program's done event

Parameters

fn function The callback function to register

Returns

Program self The Program instance

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