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为什么这个wxpython代码给了我下面的错误?wxpython文件打开对话框
self.Bind(wx.EVT_MENU,self.onNewFile,self.New_File)
def onNewFile(self,evt):
wx.FileDialog(None,'Choose a file',os.getcwd(),"",wx.OPEN)
if dialog.ShowModal() == wx.ID_OK:
print dialog.GetPath()
dialog.Destroy()
其他的代码来设置菜单栏和创建项目是有,但这个被执行时,我得到了以下错误:
Traceback (most recent call last):
File "C:\Python27\Front_End.py", line 52, in onNewFile
wx.FileDialog(None,'Choose a file',os.getcwd(),"",wx.OPEN)
File "C:\Python27\lib\site-packages\wx-2.8-msw-unicode\wx\_windows.py", line 2430, in __init__
_windows_.FileDialog_swiginit(self,_windows_.new_FileDialog(*args, **kwargs))
TypeError: String or Unicode type required
这是什么意思?