I don't know if you can use this:
Code:
/************************************\
* Adds a tooltip to a control *
* Input: *
* hWndDlg ->ParentWindowHandle *
* hWndCtrl->Handle to the control *
* hInst ->Application instance *
* achTip ->Text for the tip *
* Output: *
* 0=ERR, 1=OK *
* Author: Knut Øverli *
\************************************/
long AddTip(HWND hWndDlg, HWND hWndCtrl, HINSTANCE *hInst, char *achTip){
TOOLINFO ti;
HWND hWndTip;
memset(&ti, 0, sizeof(TOOLINFO));
hWndTip = CreateWindowEx(0, TOOLTIPS_CLASS, NULL, WS_POPUP|TTS_NOPREFIX|TTS_ALWAYSTIP, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, hWndDlg, NULL, *hInst, NULL);
SetWindowPos(hWndTip, HWND_TOPMOST,0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE);
SendMessage(hWndTip, TTM_ACTIVATE, TRUE, 0);
ti.cbSize = sizeof(ti);
ti.uFlags = TTF_IDISHWND|TTF_SUBCLASS;
ti.uId = (UINT)hWndCtrl;
ti.lpszText = achTip;
ti.hinst = *hInst;
ti.hwnd = hWndDlg;
return SendMessage(hWndTip, TTM_ADDTOOL, 0, (long)&ti);
}