Declare Function SendMessage Lib "user32" Alias "SendMessageA" ( _
                                              ByVal hwnd As IntPtr,_
                                              ByVal wMsg As Integer,_
                                              ByVal wParam As Integer,_
                                              ByVal lParam As Integer) _
                                              As Boolean
    Declare Function ReleaseCapture Lib "user32" Alias "ReleaseCapture" () As Boolean
    Const WM_SYSCOMMAND = &H112
    Const SC_MOVE = &HF010&
    Const HTCAPTION = 2

    Private Sub Form1_MouseMove(ByVal sender As Object,ByVal e As System.Windows.Forms.MouseEventArgs) Handles Me.MouseMove
        ReleaseCapture()
        SendMessage(Me.Handle,WM_SYSCOMMAND,SC_MOVE + HTCAPTION,0)
    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object,ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub