Oracle Forms Developer – Form Builder Reference, Volume 1

CALL_OLE_ built-in
Description
30
Passes control to the identified OLE object’s method. Receives a return value of the specified type.
There are four versions of the function (denoted by the value in returntype), one for each of the argument
types CHAR, NUM, OBJ, and VAR.
Syntax
FUNCTION CALL_OLE_CHAR
(obj OLEOBJ, memberid PLS_INTEGER)
RETURN returnval VARCHAR2;
...or...
FUNCTION CALL_OLE_NUM
(obj OLEOBJ, memberid PLS_INTEGER)
RETURN returnval NUMBER;
...or...
FUNCTION CALL_OLE_OBJ
(obj OLEOBJ, memberid PLS_INTEGER)
RETURN returnval OLEOBJ;
...or...
FUNCTION CALL_OLE_VAR
(obj OLEOBJ, memberid PLS_INTEGER)
RETURN returnval OLEVAR;
Built-in Type unrestricted function
Returns the method’s return value in the specified format
Parameters
obj Name of the OLE object.
memberid Member ID of the object’s method.
Usage Notes
• Before this call is issued, the number, type, and value of the arguments must have been established,
using the INIT-OLEARGS and ADD-OLEARGS procedures.
• The method can raise a FORM_OLE_FAILURE exception. If so, you can use the function
LAST_OLE_EXCEPTION to obtain more information.