Jim Morris wrote:
> Did you try
> LstSetListChoices( listP, ( Char ** ) &(gGeodesics->datumNames),
> numDatums );
Yes, but LstSetListChoices expect an array of string pointers, whereas my
struct is an array of unpacked strings. So studying it further, I realized I
had to create an array of pointers, but I could not use
SysFormPointerArrayToStrings since my struct is not packed. So instead I just
found the right conversion a minute ago:
MemHandle gDatumNames = MemHandleNew( 4 * ( NumDatums + 1 ) );
Char **ptr = ( Char** ) MemHandleLock( gDatumNames );
for ( i = 0; i <= NumDatums; i++ )
ptr[ i ] = ( Char * ) &( gGeodesics->datums[ i ].name );
MemHandleUnlock( gDatumNames );
So I can now call
LstSetListChoices( listP, ( Char ** ) MemHandleLock( gDatumNames ), numDatums );
and get the list lookup working :)
Luc Le Blanc
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