# opcode

> [HTML Version](opcode_auicontrol.htm)

_Updated November 2013; added opcodes 13, 14Para_

Parameter _opcode_ specifies one of the "methods" or operations from the following table.

| **Symbol** | **Value ** | **Description** |
|------|------|------|
| CTLOP\_INFO | 0 | [Query Control](querycontrol.md) |
| CTLOP\_ADD | 1 | [Add Control](addcontrol.md) |
| CTLOP\_CHG | 2 | [Change Control](changecontrol.md) |
| CTLOP\_DEL | 3 | [Delete](delete_control.md) |
| CTLOP\_CLR | 4 | [Clear Control](clear_control.md) |
| CTLOP\_QRYCB | 5 | [Query Checkbox](querycheckbox.md) or [Retrieve Date from Month Calendar Control](operationsmoncalctrl.md) |
| CTLOP\_SVA, CTLOP\_RSA | 6, 7 | [Save/Restore Controls](saverestorecontrols.md) |
| CTLOP\_SBCH, CTLOP\_EBCH | 8, 9 | [Batch Operations](batchoperations.md) |
| CTLOP\_GETID | 10 | [Get Control ID](get_control_id.md) |
| CTLOP\_PANE | 11 | [Set Current Tab Pane](setcurrenttabpane.md) |
| CTLOP\_REPL | 12 | Internal use only. |
| CTLOP\_IMGLST | 13 | Attach an image list to a toolbar control |
| CTLOP\_TABSET, CTLOP\_TABCLR | 14, 15 | [Set/Clear MBF\_TABSTOP Property](setclearmbf_tabstop.md) |
| CTLOP\_REPAINT | 16 | Force refresh/redraw of specified control and its children |
| **Definition file: [ashell.def](ashell_def.md)** | |