| Navigation: Language Reference > App A - DDE, OLE, and OCX > OCX Library Procedures >====== OCXGETPARAM (return current event parameter string) ====== |    |
OCXGETPARAM( reference ,number )
| OCXGETPARAM | Returns the value of a parameter associated with the current OCX event. |
| reference | The label of the first parameter of the event processing callback procedure. |
| number | The number of the parameter to retrieve. |
OCXGETPARAM returns the value of the number parameter associated with the current .OCX event. This procedure is only valid when the .OCX event processing callback function is active.
Return Data Type: STRING
Example:
OEvent PROCEDURE(Reference,OleControl,CurrentEvent) !Event processing callback proc
Count LONG
Res CSTRING(200)
Parm CSTRING(30)
CODE
IF CurrentEvent <;> OCXEVENT:MouseMove !Eliminate mouse move events
Res = 'Control ' & OleControl & ' Event ' & OleControl{PROP:LastEventName} & ':'
LOOP Count = 1 TO OCXGETPARAMCOUNT(Reference) !Cycle through all parameters
Parm = OCXGETPARAM(Reference,Count) !getting each parameter name
Res = CLIP(Res) & ' ' & Parm !and concatenate them together
END
GlobalQue = Res !Assign to a global QUEUE
ADD(GlobalQue) !add the entry for later display
END !of all the OCX events and their
RETURN(True) !parameters
See Also: