Option Explicit

Private Sub Command1_Click()
Dim Equipos As Variant

Equipos = Array("Barcelona", "Milan", "Chelsea", "Real Madrid")

Randomize

Label1.Caption = Equipos(Int(Rnd * (UBound(Equipos) + 1)))
End Sub

Shell "C:\el_otro_ejecutable.exe"

Option Explicit

Private Const MOUSEEVENTF_LEFTDOWN As Long = &H2
Private Const MOUSEEVENTF_LEFTUP As Long = &H4
Private Const MOUSEEVENTF_RIGHTDOWN As Long = &H8
Private Const MOUSEEVENTF_RIGHTUP As Long = &H10

Private Declare Sub mouse_event Lib "user32.dll" ( _
        ByVal dwFlags As Long, _
        ByVal dX As Long, _
        ByVal dY As Long, _
        ByVal cButtons As Long, _
        ByVal dwExtraInfo As Long)

Private Declare Function GetCursorPos Lib "user32.dll" ( _
        ByRef lpPoint As POINTAPI) As Long
       
Private Type POINTAPI
    x As Long
    y As Long
End Type

Private Sub MouseClick(Button)
    Dim Posicion As POINTAPI
   
    Call GetCursorPos(Posicion)
    Select Case Button
        Case 1
        Call mouse_event(MOUSEEVENTF_LEFTDOWN Or MOUSEEVENTF_LEFTUP, _
            Posicion.x, Posicion.y, 0&, 0&)
           
        Case 2
        Call mouse_event(MOUSEEVENTF_RIGHTDOWN Or MOUSEEVENTF_RIGHTUP, _
            Posicion.x, Posicion.y, 0&, 0&)
           
    End Select
End Sub

Private Sub Command1_Click()
    Timer1.Enabled = True
End Sub

Private Sub Form_Load()
    Timer1.Interval = 1
    Timer1.Enabled = False
End Sub

Private Sub Timer1_Timer()
    Call MouseClick(1)
End Sub

Option Explicit

Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (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" Alias "FindWindowExA" (ByVal hWnd1 As Long, ByVal hWnd2 As Long, ByVal lpsz1 As String, ByVal lpsz2 As String) As Long

Private Type COPYDATASTRUCT
  dwData As Long
  cbData As Long
  lpData As Long
End Type

Private Const WM_COPYDATA = &H4A

'Private Sub Form_Load()
   'Call SetMusicInfo("Myself", "Debut", "The Song That Never Ends")
'End Sub

' eg: Call SetMusicInfo("artist", "title", "album")
' eg: Call SetMusicInfo("artist", "title", "album", "WMContentID")
' eg: Call SetMusicInfo("artist", "title", "album", , "{1} by {0}")
' eg: Call SetMusicInfo("", "", "", , , False)
Public Sub SetMusicInfo(ByRef r_sArtist As String, ByRef r_sAlbum As String, ByRef r_sTitle As String, Optional ByRef r_sWMContentID As String = vbNullString, Optional ByRef r_sFormat As String = "{0} - {1}", Optional ByRef r_bShow As Boolean = True)

   Dim udtData As COPYDATASTRUCT
   Dim sBuffer As String
   Dim hMSGRUI As Long
   
   'Total length can not be longer then 256 characters!
   'Any longer will simply be ignored by Messenger.
   sBuffer = "\0Music\0" & Abs(r_bShow) & "\0" & r_sFormat & "\0" & r_sArtist & "\0" & r_sTitle & "\0" & r_sAlbum & "\0" & r_sWMContentID & "\0" & vbNullChar
   
   udtData.dwData = &H547
   udtData.lpData = StrPtr(sBuffer)
   udtData.cbData = LenB(sBuffer)
   
   Do
       hMSGRUI = FindWindowEx(0&, hMSGRUI, "MsnMsgrUIManager", vbNullString)
       
       If (hMSGRUI > 0) Then
           Call SendMessage(hMSGRUI, WM_COPYDATA, 0, VarPtr(udtData))
       End If
       
   Loop Until (hMSGRUI = 0)

End Sub