Calling formControl in code

 [FormEventHandler(formStr(HcmOpenJobApply), FormEventType::Initialized)]

    public static void HcmOpenJobApply_OnInitialized(xFormRun sender, FormEventArgs e)

    {

        FormRun         element             = sender;

        FormControl ApplyButton = element.design(0).controlName("ApplyButton");

        ApplyButton.enabled(false);

    }

[FormControlEventHandler(formControlStr(HcmOpenJobApply, ApplyButton), FormControlEventType::GotFocus)]

    public static void ApplyButton_OnGotFocus(FormControl sender, FormControlEventArgs e)

    {

        FormRun         element             = sender.formRun();

        FormControl ApplyButton = element.design(0).controlName("ApplyButton");

        ApplyButton.enabled(false);

    }