VB.NET拖动无边框窗体API

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