wxPython – wx.RadioBox 的 GetSelection() 方法

在本文中，我们将学习与 wxPython 的 wx.RadioBox 类关联的 GetSelection() 方法。 GetSelection()函数仅用于返回所选项目的索引，如果没有选择项目，则返回 NOT_FOUND。

GetSelection()函数不需要任何参数。

Syntax: wx.RadioBox.GetSelection(self)

Parameters No parameters are required by GetSelection() function.

Returns: The position of the current selection.

Return Type: int

代码示例：

import wx
  
  
class FrameUI(wx.Frame):
  
    def __init__(self, parent, title):
        super(FrameUI, self).__init__(parent, title = title, size =(300, 200))
  
        # function for in-frame components
        self.InitUI()
  
    def InitUI(self):
        # parent panel for radio box
        pnl = wx.Panel(self)
  
        # list of choices
        lblList = ['Radio One', 'Radio Two']
  
        # create radio boc containing above list
        self.rbox = wx.RadioBox(pnl, label ='RadioBox', pos =(80, 10), choices = lblList,
                                          majorDimension = 1, style = wx.RA_SPECIFY_ROWS)
  
        # set tooltip for first tool
        self.rbox.SetItemToolTip(0, "Item One")
  
        # print the index of the selected item
        print (self.rbox.GetSelection())
  
  
        # set frame in centre
        self.Centre()
        # set size of frame
        self.SetSize((400, 250))
        # show output frame
        self.Show(True)
  
  
# wx App instance
ex = wx.App()
# Example instance
FrameUI(None, 'RadioButton and RadioBox')
ex.MainLoop()

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