function onCompilerComboChange(event:Event):Void
    {
        compilerPath = event.currentTarget.selectedItem.label;
        updateSettings();
    }

    function onSourceCompileClick(event:MouseEvent)
    {
        processReady = false;
        Alert.show("compiling source code...");

        var file = File.applicationStorageDirectory.resolvePath(config.sourceFile);

        var stream = new FileStream();
        stream.open(file, FileMode.WRITE );
        stream.writeUTFBytes(source.text);
        stream.close();
        if(NativeProcess.isSupported)
        {
            var file:File = new File(compilerPath);

            var processInfo = new NativeProcessStartupInfo();
            processInfo.executable = file;
            processInfo.arguments = Vector.ofArray(config.compilerArgs);
            processInfo.workingDirectory = File.applicationStorageDirectory;

            var process:NativeProcess = new NativeProcess();
            process.addEventListener(ProgressEvent.STANDARD_OUTPUT_DATA, onOutputData);
            process.addEventListener(ProgressEvent.STANDARD_INPUT_PROGRESS, inputProgressListener);
            process.addEventListener(ProgressEvent.STANDARD_ERROR_DATA, onErrorData);
            process.addEventListener(NativeProcessExitEvent.EXIT, onCompileComplete);
            process.start(processInfo);
        }
        else
        {
            Alert.show("Cannot compile. NativeProcess is not Supported in this mode.");
        }
    }