PA_BeforeSelection

version 2003

PA_BeforeSelection (tableNum) → char

Parameter	Type		Description
tableNum	short	→	Table number
Function result	char	←	1 if Before Selection is reached, else 0

Description

The command PA_BeforeSelection returns 1 if the current record pointer is positioned before the first record of the selection for the Table number tableNum . Otherwise, it returns 0.


   
    
     PA_BeforeSelection

also returns 1 if the selection is empty.

A 4D plug-in would typically call PA_BeforeSelection to detect whether the record pointer had moved to a point before the first record of a selection following a call to PA_PreviousRecord .

WARNING

This routine does not use virtual structure

Example

See PA_PreviousRecord for an example of use.

See Also

PA_EndSelection , PA_PreviousRecord .

Error Handling

Use PA_GetLastError to see if an error occurred (invalid table number)

Current Selections and Records

No change. If PA_BeforeSelection returns 1, there is no current record.