How to get formrn from formcontrol in d365 code

Get FormRun from form control

[FormControlEventHandler(formControlStr(MyForm, MyButton), FormControlEventType::Clicked)]
public static void MyButton_OnClicked(FormControl sender, FormControlEventArgs e)
{
   FormRun formRun = sender.formRun() as FormRun;
   formRun.myMethod();
}

Thanks,
Vikas Mehta