func init
	// adds using namespace
	sys.add_use('HiAsm')

	// adds assembly
	include("SDK")

	// include external method
	sys.LoadMethod("ProcessCmdKey")

	// initialize event handler
	if(interfaces.contain('CallBack'))
		error(this.name + ' - can not use more than one element SDKEvents')
	elseif(linked("onEvent"))
		interfaces.add('CallBack')
		sys.add_var(this.name, 'CallbackType')
		blk_init.println('Share.cmdMan.on_command.addEvent(this);')
		sys.blocks_store()
		blk_lvars.inc()
		blk.inc()
		event("onEvent", 'data')
		blk_proc_imp.println('public void callback(object owner, CallbackType type, object data) { // onEvent').inc()
			.println('if (this.InvokeRequired) {').inc()
				.println('this.Invoke(new Action<object, CallbackType, object>(callback), new object[] { owner, type, data });')
			.dec().println('} else {').inc()
				.println(this.codename, ' = type;')
				if(not blk_lvars.empty())
					blk_proc_imp.copyhere(blk_lvars)
				end
				blk_proc_imp.copyhere(blk)
			.dec().println('}')
			.println('Share.wmp.update(', d("SDKView", 20), ');')
		.dec().println('}')
		sys.blocks_restore()
	end
end

func EventType
	return(this.codename)
end