form2.frm

your form = your monitor resoluction

VERSION 5.00
Begin VB.Form Form2 
   Caption         =   "Form2"
   ClientHeight    =   6465
   ClientLeft      =   60
   ClientTop       =   420
   ClientWidth     =   8010
   LinkTopic       =   "Form2"
   Moveable        =   0   'False
   ScaleHeight     =   6465
   ScaleWidth      =   8010
   StartUpPosition =   2  'CenterScreen
   Begin VB.TextBox Text1 
      Height          =   615
      Left            =   1890
      TabIndex        =   1
      Text            =   "Form1"
      Top             =   3030
      Width           =   4215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "Descobrir"
      Height          =   615
      Left            =   2850
      TabIndex        =   0
      Top             =   3780
      Width           =   2415
   End
   Begin VB.Label Label1 
      Alignment       =   2  'Center
      BackStyle       =   0  'Transparent
      Caption         =   "O titulo da Janela p/ achar o Hwnd da pr髉ia exemplo:"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   18
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1515
      Left            =   60
      TabIndex        =   2
      Top             =   1710
      Width           =   7965
   End
End
Attribute VB_Name = "Form2"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
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 Const WM_CLOSE = &H10




Private Sub Command1_Click()
Dim winHwnd As Long
Dim RetVal As Long

winHwnd = FindWindow(vbNullString, Text1.Text)

Debug.Print winHwnd

If winHwnd <> 0 Then
    MsgBox winHwnd
    Text1.Text = winHwnd
    Form1.Text1.Text = winHwnd
    Unload Me
Else
   MsgBox Text1.Text + " n鉶 esta aberto.", vbInformation, "Usando PostMessage"
End If


End Sub