func doExecute(_data)
  println('QString ' + op_str + ' = QFileDialog::getSaveFileName(this, ', Title, ', ', StartDir, ', ', Filter, ');')
  println('if(!' + op_str + '.isEmpty()) {')
  block.inclvl()
    event(onExecute, op_str) 
  block.declvl() 
  println('}')
  if(linked(onCancel))
    println('else {')
    block.inclvl()
      event(onCancel) 
    block.declvl()  
    println('}')    
  end
end