Thread: Adding Items to Combo Boxes

Make sure it is not set to OWNER DRAW or if so has the HAS STRINGS set and you are handling the paint.

If made in the resource editor make sure is VISIBLE.

Try removing the pointer to the string and try

Code:

SendDlgItemMessage(hDlg, IDC_HEADINGS, CB_ADDSTRING,(WPARAM) 0, (LPARAM)"Some Text");