wxPython入门练习代码 三

DoubleEventFrame.py:

 #!/usr/bin/env/ python

 import wx

 class DoubleEventFrame(wx.Frame):
     def __init__(self,parent,id):
         wx.Frame.__init__(self,parent,id,'Frame with buttom',size=(300,100))
         self.panel = wx.Panel(self,-1)
         self.button = wx.Button(self.panel,-1,"Click Me",pos=(100,15))
         self.Bind(wx.EVT_BUTTON,self.OnButtonClick,self.button)
         self.button.Bind(wx.EVT_LEFT_DOWN,self.OnMouseDown)
         self.button.Bind(wx.EVT_ENTER_WINDOW,self.OnEnterWindow)
         self.button.Bind(wx.EVT_LEAVE_WINDOW,self.OnLeaveWindow)

     def OnEnterWindow(self,event):
         self.button.SetLabel("Over Me!")
         event.Skip()

     def OnLeaveWindow(self,event):
         self.button.SetLabel("Not Over!")
         event.Skip()

     def OnButtonClick(self,event):
         self.panel.SetBackgroundColour('Green')
         self.panel.Refresh()

     def OnMouseDown(self,event):
         self.button.SetLabel("Again!")
         event.Skip()

 if __name__ == '__main__':
     app = wx.PySimpleApp()
     frame = DoubleEventFrame(parent=None,id=-1)
     frame.Show()
     app.MainLoop()