wxPython wx.MenuItem IsEnabled()用法及代码示例

在本文中，我们将学习与wxPython的wx.MenuItem类关联的IsChecked()函数。如果启用该项目，则IsEnabled()返回True。
IsEnabled()函数中不需要任何参数。

用法：

wx.MenuItem.IsEnabled(self)

参数：

No parameters are required in IsEnabled() function.

返回类型：

bool

代码示例：

import wx 
  
  
class Example(wx.Frame):
  
    def __init__(self, *args, **kwargs):
        super(Example, self).__init__(*args, **kwargs) 
  
        self.InitUI() 
  
    def InitUI(self):
        self.locale = wx.Locale(wx.LANGUAGE_ENGLISH) 
  
        self.menubar = wx.MenuBar() 
        self.fileMenu = wx.Menu() 
        self.item = wx.MenuItem(self.fileMenu, 1, '&Check', helpString ="Check Help", kind = wx.ITEM_CHECK) 
        self.item.SetBitmap(wx.Bitmap('right.png')) 
        self.item.SetTextColour((79, 81, 230, 255)) 
        self.item.Enable(True) 
        self.st = wx.StaticText(self, label ="", pos =(200, 200)) 
        self.fileMenu.Append(self.item) 
        self.menubar.Append(self.fileMenu, '&File') 
        self.SetMenuBar(self.menubar) 
  
        if self.item.IsEnabled()== True:
            # print if item is enable 
            print("Item is Enabled") 
        else:
            # print if item is disabled 
            print("Item is Disabled") 
  
        self.SetSize((350, 250)) 
        self.SetTitle('Icons and shortcuts') 
        self.Centre() 
  
  
  
def main():
    app = wx.App() 
    ex = Example(None) 
    ex.Show() 
    app.MainLoop() 
  
  
if __name__ == '__main__':
    main()

输出：

Item is Enabled

代码示例：

import wx 
  
  
class Example(wx.Frame):
  
    def __init__(self, *args, **kwargs):
        super(Example, self).__init__(*args, **kwargs) 
  
        self.InitUI() 
  
    def InitUI(self):
        self.locale = wx.Locale(wx.LANGUAGE_ENGLISH) 
  
        self.menubar = wx.MenuBar() 
        self.fileMenu = wx.Menu() 
        self.item = wx.MenuItem(self.fileMenu, 1, '&Check', helpString ="Check Help", kind = wx.ITEM_CHECK) 
        self.item.SetBitmap(wx.Bitmap('right.png')) 
        self.item.SetTextColour((79, 81, 230, 255)) 
        # Disable the item 
        self.item.Enable(False) 
        self.st = wx.StaticText(self, label ="", pos =(200, 200)) 
        self.fileMenu.Append(self.item) 
        self.menubar.Append(self.fileMenu, '&File') 
        self.SetMenuBar(self.menubar) 
  
        if self.item.IsEnabled()== True:
            # print if item is enable 
            print("Item is Enabled") 
        else:
            # print if item is disabled 
            print("Item is Disabled") 
  
        self.SetSize((350, 250)) 
        self.SetTitle('Icons and shortcuts') 
        self.Centre() 
  
  
  
def main():
    app = wx.App() 
    ex = Example(None) 
    ex.Show() 
    app.MainLoop() 
  
  
if __name__ == '__main__':
    main()

输出：

Item is Disabled

相关用法

注：本文由纯净天空筛选整理自RahulSabharwal大神的英文原创作品 wxPython – IsEnabled() function in wx.MenuItem。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。