parameters: (self, item)
return_statement: return self.GetNextChild(item, cookie)
docstring: Returns the item's first child and an integer value 'cookie'.
          Call :meth:`~CustomTreeCtrl.GetNextChild` for the next child using this very 'cookie' return
          value as an input.
  
          :param `item`: an instance of :class:`GenericTreeItem`.
  
          :return: A tuple with the first value being an instance of :class:`GenericTreeItem` or ``None`` if there are no
           further children, and as second value an integer parameter 'cookie'.
  
          :note: This method returns ``None`` if there are no further children.
docstring_summary: Returns the item's first child and an integer value 'cookie'.
          Call :meth:`~CustomTreeCtrl.GetNextChild` for the next child using this very 'cookie' return
          value as an input.
docstring_tokens: Returns the item s first child and an integer value cookie . Call : meth : ~CustomTreeCtrl . GetNextChild for the next child using this very cookie return value as an input .
function: def GetFirstChild(self, item):
          """
          Returns the item's first child and an integer value 'cookie'.
          Call :meth:`~CustomTreeCtrl.GetNextChild` for the next child using this very 'cookie' return
          value as an input.
  
          :param `item`: an instance of :class:`GenericTreeItem`.
  
          :return: A tuple with the first value being an instance of :class:`GenericTreeItem` or ``None`` if there are no
           further children, and as second value an integer parameter 'cookie'.
  
          :note: This method returns ``None`` if there are no further children.
          """
  
          cookie = 0
          return self.GetNextChild(item, cookie)
function_tokens: def GetFirstChild ( self , item ) : cookie = 0 return self . GetNextChild ( item , cookie )