| Navigation: Language Reference > App A - DDE, OLE, and OCX > OCX Library Procedures >====== OCXREGISTERPROPCHANGE (install property change callback) ====== |    |
OCXREGISTERPROPCHANGE( control , procedure )
| OCXREGISTERPROPCHANGE | Installs a property change 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 property change callback procedure for the control. |
OCXREGISTERPROPCHANGE installs a property change callback procedure for the control. The callback procedure is called when a property of the control has been changed.
Example:
OCXREGISTERPROPCHANGE(?OleControl,CallbackProc)
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