Pyforms-如何使窗口全屏显示？

Question

我在任何文档中都找不到使全屏显示pyforms窗口的方法，这是我要全屏显示的窗口

import pyforms
from pyforms.basewidget import BaseWidget
from pyforms.controls import ControlText
from pyforms.controls import ControlButton

class CheckinForm(BaseWidget):

def __init__(self):
    super(CheckinForm,self).__init__('CheckinForm')

    self.buttonCheckIn = ControlButton('Check Device In')
    self.buttonCheckOut = ControlButton('Check Device Out')


if __name__ == "__main__": 
    pyforms.start_app(CheckinForm)