Table A-1 Variables Prefixes
| Prefix | Data Type |
| byt | Byte |
| b | Boolean |
| cur | Currency |
| d | Double |
| dte | Date |
| f | Single |
| hf | File handle (Long) |
| hwnd | Window handle (Long) |
| h(... lowercase) | Handle to something (Long) |
| l | Long |
| n | Integer |
| o | Object |
| s | String |
| v | Variant |
Table A-2 Modifiers and Special Types Prefixes
| Prefix | Data Type |
| a | Array <of another type> |
| C | Class or class instance |
| t | User-defined type or instance |
| e | Enumerated type or instance |
| p | Pointer (used with API calls) |
| pcb | Pointer to a callback function (used with AddressOf) |
Table A-3 Data Objects: DAO Prefixes
| Prefix | Visual Basic Data Type |
| bk | SelBookmarks |
| ct | Container |
| db | Database |
| dc | Document |
| ds | Dynaset |
| er | Errors |
| fd | Field |
| gp | Group |
| ix | Index |
| pa | Parameter |
| pr | Property |
| qd | QueryDef |
| rs | Recordset |
| rl | Relation |
| ss | Snapshot |
| tb | Table |
| td | TableDef |
| us | User |
| wk | Workspace |
Table A-4 Data Objects: RDO Prefixes
| Prefix | Visual Basic Data Type |
| rdoEng | rdoEngine |
| rdoEnv | rdoEnvironment |
| rdoConn | rdoConnection |
| rdoTbl | rdoTable |
| rdoCol | rdoColumn |
| rdoPrepS | rdoPreparedStatement |
| rdoParam | rdoParameter |
| rdoRS | rdoResultset |
| rdoErr | rdoError |
Table A-5 Controls Prefixes
| Prefix | Control Type Description |
| ani | Animation button |
| bed | Pen BEdit |
| cbo | Combobox/Dropdown Listbox |
| chk | Checkbox |
| clp | Picture Clip |
| cmd | Command Button |
| com | Communications |
| dat | Data Control |
| dir | Directory Listbox |
| dlg | Common dialog |
| drv | Drive Listbox |
| fil | File Listbox |
| fra | Frame |
| frm | Form |
| gau | Gauge |
| gpb | Group Pushbutton |
| gra | Graph |
| grd | Grid |
| hed | Pen HEdit |
| hsb | Horizontal scroll bar |
| img | Image |
| ink | Pen Ink |
| key | Keyboard key status |
| lab | Label |
| lin | Line |
| lst | Listbox |
| mci | MCI |
| mnu | Menu |
| mpm | MAPI Message |
| mps | MAPI Session |
| ole | OLE Client |
| opt | Option Button |
| Prefix | Control Type Description |
| out | Outline Control |
| pic | Picture |
| pnl | 3D Panel |
| rdc | Remote Data Control |
| shp | Shape |
| spn | Spin Control |
| tab | SS Tab Control |
| tmr | Timer |
| txt | Textbox |
| vsb | Vertical scroll bar |
| iml | ImageList |
| lvw | ListView |
| pbr | ProgressBar |
| rtf | RichTextBox |
| sld | Slider |
| sbr | StatusBar |
| tab | Tabstrip |
| tbr | Toolbar |
| tvw | TreeView |
Table A-6 Data-Bound Controls Prefixes
| Prefix | Control Type Description |
| dbcbo | Databound Combobox/Dropdown Listbox |
| dblst | Databound Listbox |
| dbgrd | Databound Grid |
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