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**OCXREGISTEREVENTPROC(** //control// , //procedure// **)**

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| **OCXREGISTEREVENTPROC** | Installs an OCX event callback procedure. |
| //control// | An integer expression containing the field number or field equate label of the OLE control to affect. |
| //procedure// | The label of the event processing callback procedure for the //control//. |

**OCXREGISTEREVENTPROC** installs an OCX event callback //procedure// for the //control.// The callback //procedure// is called when any event is posted by the operating system for the //control//.

**Example:**

**OCXREGISTEREVENTPROC(?OleControl,CallbackProc)**

**See Also:**

[[callback functions.htm|Callback Functions]]