title: problem with editing labels in wx list control
body: <p>do you guys have any idea how to edit the the labels in the second column in a wx.ListCtrl
  here is the code that i used to create that list .. Note that the first column is the only editable one . how can i make the other one editable too?</p>
  
  <p><code>
  <br>
   self.lCUsers=wx.ListCtrl(self,style=wx.LC_EDIT_LABELS | wx.LC_REPORT |wx.LC_VRULES | wx.LC_HRULES)<br>
  self.lCUsers.SetPosition((20,40))<br>
  self.lCUsers.SetSize((300,350))<br></p>
  
  <p>self.lCUsers.InsertColumn(0,'Users',format=wx.LIST_FORMAT_LEFT ,width=220)<br>
  self.lCUsers.InsertColumn(1,'Value',format=wx.LIST_FORMAT_LEFT,width=80)<br>
  </code></p>
  
  <p>thankx in advance </p>