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CodeBlocksPortable/WATCOM/samples/win/datactl/combo.c

57 lines
1.6 KiB
C

#include <windows.h>
#include <string.h>
#include "ctltype.h"
extern WORD ctl_combo_add_msg( HWND, int );
extern WORD ctl_combo_sel_msg( HWND, int );
extern WORD ctl_combo_get_msg( HWND, int );
BOOL ctl_combo_start( ctl_elt *elt, HANDLE inst, HWND dlg, void *ptr )
/********************************************************************/
/* start a combo list box */
{
char value[50];
WORD id;
int choose;
int max;
choose = _value_int( ptr, elt ) - elt->info.combo.origin;
if( choose < 0 ) {
choose = 0;
} else {
max = elt->info.combo.end_id - elt->info.combo.start_id;
if( choose > max ) {
choose = max;
}
}
for( id = elt->info.combo.start_id; id <= elt->info.combo.end_id; ++id ) {
LoadString( inst, id, value, 50 );
value[49] = '\0';
SendDlgItemMessage( dlg, elt->control,
ctl_combo_add_msg( dlg, elt->control ) , 0,
(DWORD)(LPSTR) value );
}
SendDlgItemMessage( dlg, elt->control, ctl_combo_sel_msg( dlg,
elt->control ), choose, 0 );
return( TRUE );
}
BOOL ctl_combo_finish( ctl_elt *elt, HANDLE inst, HWND dlg, void *ptr )
/*********************************************************************/
/* finish a combo list box */
{
inst = inst;
_value_int( ptr, elt ) = elt->info.combo.origin +
SendDlgItemMessage( dlg, elt->control,
ctl_combo_get_msg( dlg, elt->control ), 0, 0 );
return( TRUE );
}