Returns a pointer to the event function associated with the event code
| Call | |||
| #include <vv_sys.h> | |||
| EVENTFP et_getfp(eventcode, etp) | |||
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USHORT eventcode |
Event code for which to find the associated function |
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| ETPTR etp | Pointer to the event table to search | ||
| Description of Parameters
etp: Specify a pointer to an event table. The Vermont Views event tables are as follows: |
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| CLETP | Choice list event table | ||
| FLDETP | Field event table | ||
| FMETP | Form event table | ||
| DRAGETP | Draw and drag event table | ||
| HELPETP | Help event table | ||
| MEMOETP | Memo event table | ||
| MNETP | Menu event table | ||
| PUSHETP | Pushbutton event table | ||
| RADIOETP | Radio button event table | ||
| SRETP | Scrollable region event table | ||
| SYSETP | System event table | ||
| TTMEMOETP | Tickertape memo event table | ||
| VIEWETP | Viewing event table | ||
| LBOXETP | List box event table | ||
| Returns | |||
| POINTER | A pointer to the event function associated with the specified event code in the event table. | ||
| NULLFP | One of the following has occurred: (1) the event code is 0, (2) the event table pointer is NULLP, or (3) there is no function associated with this event code | ||
| Description
If either the event code or event table pointer is a NULLP, et_getfp() immediately returns 0. Otherwise, et_getfp() searches the event table for the specified event code. If a match is found, et_getfp() returns the pointer to the corresponding event function. |
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| Related Functions | |||
