Thread: Destinator sdk

I am trying to enter a address in the address window whit

Code:

SetActiveWindow SetWindowLong(OldWindowProc, GWL_WNDPROC, OldWindowProc)
    SendKeys "T"

that works fine, but how do i press the navigate button?
Iv try id some thing like this

Code:

PostMessage toolwin, WM_LBUTTONDOWN, 0, &H0
PostMessage toolwin, WM_LBUTTONUP, 0, &H0

but i cant get it to work.