Imports System.Runtime.InteropServices

Public Class Form1
    Inherits System.Windows.Forms.Form
    Public ProcID As Integer
    <DllImport("KERNEL32.DLL", EntryPoint:="MoveFileW", _
   SetLastError:=True, CharSet:=CharSet.Unicode, _
   ExactSpelling:=True, _
   CallingConvention:=CallingConvention.StdCall)> _
    Public Shared Function MoveFile(ByVal src As String, ByVal dst As String) As Boolean
        
    End Function


    <DllImport("USER32.DLL", EntryPoint:="FindWindowW", _
   SetLastError:=True, CharSet:=CharSet.Unicode, _
   ExactSpelling:=True, _
   CallingConvention:=CallingConvention.StdCall)> _
    Public Shared Function FindWindow(ByVal clsName As String, ByVal titleName As String) As System.IntPtr
        
    End Function
    <DllImport("USER32.DLL", EntryPoint:="SetParent", _
   SetLastError:=True, CharSet:=CharSet.Unicode, _
   ExactSpelling:=True, _
   CallingConvention:=CallingConvention.StdCall)> _
    Public Shared Function SetParent(ByVal child As System.IntPtr, ByVal parent As System.IntPtr) As System.IntPtr

    End Function
#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents ComboBox1 As System.Windows.Forms.ComboBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button
        Me.ComboBox1 = New System.Windows.Forms.ComboBox
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point( 128 ,  0 )
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size( 56 ,  16 )
        Me.Button1.TabIndex =  0 
        Me.Button1.Text = "Button1"
        '
        'ComboBox1
        '
        Me.ComboBox1.Items.AddRange(New Object() {"Item1", "Item2", "Item3"})
        Me.ComboBox1.Location = New System.Drawing.Point(0, 176)
        Me.ComboBox1.Name = "ComboBox1"
        Me.ComboBox1.Size = New System.Drawing.Size(120, 21)
        Me.ComboBox1.TabIndex = 1
        Me.ComboBox1.Text = "ComboBox1"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size( 5 ,  13 )
        Me.ClientSize = New System.Drawing.Size( 192 ,  197 )
        Me.Controls.Add(Me.ComboBox1)
        Me.Controls.Add(Me.Button1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        'me.
        ' Run Calculator.
        ProcID = Shell("calc.exe", AppWinStyle.NormalFocus)
        Dim calcPtr As System.IntPtr = FindWindow("SciCalc", Nothing)
        'Now we have calcPtr 
        SetParent(Me.ComboBox1.Handle, calcPtr)

        'Me.Handle()
    End Sub

    Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
        MsgBox("Cool!")
    End Sub
End Class