class_docstr: A dialog for "selecting" items on a tree by checking them
class_docstr_tok: ["A","dialog","for","``","selecting","''","items","on","a","tree","by","checking","them"]
code: def get_item_data(self, item_id):
      x = self.tree_ctrl.GetItemData(item_id)
      return x
  
file_path: CellProfiler/src/frontend/cellprofiler/gui/_tree_checkbox_dialog.py
imports: import wx
label_desc: Use image node_id 4 for calling the TreeCheckboxDialog obj's underlying member method code with example usage: obj.get_item_data(item_id) and returns: x