| button_data | Button |
| check_button_data | Check Button |
| combo_box_data | Combo Box |
| combo_box_entry_data | Combo Box Entry Render type is always text |
| dialog_data | Dialog |
| entry_data | Entry |
| frame_data | Frame |
| grid_data | Grid |
| image_buffer_data | Image Buffer |
| image_data | Image |
| label_data | Label |
| list_model_data | List Model column type is sent as 8 bit unsigned ints |
| list_model_node_data | List Model Node |
| menu_bar_data | Menu Bar |
| menu_data | Menu |
| menu_item_data | Menu Item |
| notebook_data | Notebook |
| notebook_page_data | Notebook Page |
| progress_bar_data | Progress Bar |
| radio_button_data | Radio Button |
| radio_group_data | Radio Group |
| scrollpane_data | Scrollpane |
| slider_data | Slider |
| spin_button_data | Spin Button |
| split_pane_data | Split Pane |
| status_bar_data | Status Bar |
| table_column_data | Table Column Parent must be a table |
| table_data | Table |
| text_editor_data | Text Editor |
| timer_data | Timer widget |
| tool_bar_data | Tool Bar |
| tool_button_data | Tool Button |
| tool_item_data | Tool Item |
| tool_menu_button_data | Tool Menu Button |
| tree_model_data | Tree Model column type is sent as 8 bit unsigned ints |
| tree_model_node_data | Tree Model Node var data contains a null character followed by the path_string, then rest of data |
| window_data | Window |
1.4.6