Hi Experts
I read your Article from which i could found tooltip text
Thanks a lot
But now I also want to reset that tooltips according to user
so am using following approach but I failed.. Plz Help me ...

::SendMessageW(hWndToolTip,WM_SETTEXT,(WPARAM)iToo lTipLen*5,(LPARAM)ToolTip_Unicode);

Whats going wrong with this code...plz provide the solution
Thanks a lot...