parameters: (self, index, item)
docstring: Insert an item into the list
          @param index: index to insert at
          @param item: PanelBoxItem
docstring_summary: Insert an item into the list
          @param index: index to insert at
          @param item: PanelBoxItem
docstring_tokens: Insert an item into the list @param index : index to insert at @param item : PanelBoxItem
function: def InsertItem(self, index, item):
          """Insert an item into the list
          @param index: index to insert at
          @param item: PanelBoxItem
  
          """
          if index <= len(self._items):
              self._items.insert(index, item)
              self._sizer.Insert(index, item, 0, wx.EXPAND)
          else:
              raise IndexError, "Index %d: out of range" % index
function_tokens: def InsertItem ( self , index , item ) : if index <= len ( self . _items ) : self . _items . insert ( index , item ) self . _sizer . Insert ( index , item , 0 , wx . EXPAND ) else : raise IndexError , "Index %d: out of range" % index