Sending key to window without focus

I want to send a key to my winamp window without giving it focus, I can get the hWnd of the window, and send a key, but it does nothing ?

this is the code....

Declare Function SendMessage Lib "user32.dll" Alias "SendMessageA" (ByVal hwnd As Long, ByVal Msg As Long, wParam As Any, lParam As Any) As Long


Dim retVal
retVal = SendMessage(GetWinampHWnd(), WM_CHAR, Asc("b"), 0)


GetWinampHWnd() - returns the hWnd of winamp

retVal returns 0 but winamp doesnt go to the next track (keypress B)

:confused:

Most likely if the function returns a 0 then there was an error, the return value of SendMessage is the return value of the Message you sent, if that makes any sense...

0 means the window has processed the message (thus no errors sending)

yes, it makes sense, thou there isnt a return value I am looking for.
I finally got it "working" but on everyone elses machine cept mine :confused: :(