Api - SendMessage

[da_silvy]

something like this?

Private Declare Function ShowWindow Lib "user32.dll" (ByVal hwnd As Long, ByVal nCmdShow As Long) As Long
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function GetWindowText Lib "user32" Alias "GetWindowTextA" (ByVal hwnd As Long, ByVal lpString As String, ByVal cch As Long) As Long
Private Declare Function GetWindowTextLength Lib "user32" Alias "GetWindowTextLengthA" (ByVal hwnd As Long) As Long
Private Declare Function SetForegroundWindow Lib "user32" (ByVal hwnd As Long) As Long
Private Sub Form_Load()
    Dim MyStr As String
    Dim dosHand As Long
    dosHand = FindWindow("tty", vbNullString)
    MyStr = String(GetWindowTextLength(dosHand) + 1, Chr$(0))
    GetWindowText dosHand, MyStr, Len(MyStr)
    AppActivate MyStr
    SendKeys "%~"
    AppActivate MyStr
    End
End Sub

?