GET-CALLBACK-PROC-CONTEXT( ) method

Returns the handle of the procedure that contains the internal procedure associated with the ABL callback for the specified event.

Return type:

HANDLE

Applies to:

Buffer object handle, ProDataSet object handle, Query object handle

 

Syntax 

GET-CALLBACK-PROC-CONTEXT ( event-name )

event-name

The name of a defined event.

If the object does not have a callback procedure for the specified event, this method returns the Unknown value (?).

Use the SET-CALLBACK-PROCEDURE( ) method to associate an internal procedure with a callback for an object.

For more information on events, see the “Handle-based Object Events Reference” section.

See also:

APPLY-CALLBACK( ) method, GET-CALLBACK-PROC-NAME( ) method, SET-CALLBACK-PROCEDURE( ) method