Private Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long)
Private Declare Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam 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 FindWindowEx Lib "user32.dll" Alias "FindWindowExA" (ByVal hWnd1 As Long, ByVal hWnd2 As Long, ByVal lpsz1 As String, ByVal lpsz2 As String) As Long
Private Declare Function SetForegroundWindow Lib "user32" (ByVal hWnd As Long) As Long

Private Const WM_LBUTTONDOWN = &H201 ' botón izquierdo abajo
Private Const WM_LBUTTONUP = &H202 ' izquierdo arriba
dim h, h2, hw as Long

Private Sub Conectar()
    
    h2 = FindWindow(vbNullString, Text1.Text)
    hw = FindWindow("OSKMainClass", vbNullString)
    h = FindWindowEx(hw, 0&, "DirectUIHWND", vbNullString)
    Call SetForegroundWindow(h2)
    Label1.Caption = h
    
End Sub

Private Sub click(x As Long, y As Long)

    Dim q As Long
    Call SetForegroundWindow(h2)
    q = ((2 ^ 16) * y) + x 'las coordenadas pasadas como long, y por el high, x por el low
    Call PostMessage(h, WM_LBUTTONDOWN, &H1, q)
    Call PostMessage(h, WM_LBUTTONUP, &H0, q)
    Label1.Caption = x & ":" & y
    
End Sub

Private Sub Num(n As Long, Optional f As Boolean) 'n es referente al numero a ser presionado y f si va a ser un F# o un #
    
    If n = 0 Then n = 10 
    n = 80 + (39 * n) 'calcula la posición x de los números en el teclado virtual al mínimo tamaño
    If f = True Then
    Call click(432, 123) 'posicion del Fn
    Sleep (500)
    End If
    Call click(n, 40) 

End Sub

Call Conectar
Call Num(2, True)