[originally from svn r7297]
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
int msg, ret;
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
int msg, ret;
- assert(c && c->ctrl->generic.type == CTRL_LISTBOX &&
- !c->ctrl->listbox.multisel);
+ assert(c && c->ctrl->generic.type == CTRL_LISTBOX);
+ if (c->ctrl->listbox.multisel) {
+ assert(c->ctrl->listbox.height != 0); /* not combo box */
+ ret = SendDlgItemMessage(dp->hwnd, c->base_id+1, LB_GETSELCOUNT, 0, 0);
+ if (ret == LB_ERR || ret > 1)
+ return -1;
+ }
msg = (c->ctrl->listbox.height != 0 ? LB_GETCURSEL : CB_GETCURSEL);
ret = SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, 0);
if (ret == LB_ERR)
msg = (c->ctrl->listbox.height != 0 ? LB_GETCURSEL : CB_GETCURSEL);
ret = SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, 0);
if (ret == LB_ERR)