Make a border less form movable

Imports System.Runtime.InteropServices

Public Class Form1
	Const WM_NCLBUTTONDOWN As Integer = &HA1
	Const HT_CAPTION As Integer = &H2

	<DllImport("user32.dll")> _
	Public Shared Function SendMessage(hWnd As IntPtr, Msg As Integer, wParam As Integer, lParam As Integer) As Integer
	End Function
	<DllImport("user32.dll")> _
	Public Shared Function ReleaseCapture() As Boolean
	End Function

	Private Sub OnMouseDown(sender As Object, e As System.Windows.Forms.MouseEventArgs) Handles MyBase.MouseDown
		If e.Button = MouseButtons.Left Then
			ReleaseCapture()
			SendMessage(Handle, WM_NCLBUTTONDOWN, HT_CAPTION, 0)
		End If
	End Sub
End Class

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<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form

    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        Try
            If disposing AndAlso components IsNot Nothing Then
                components.Dispose()
            End If
        Finally
            MyBase.Dispose(disposing)
        End Try
    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.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
		Me.SuspendLayout()
		'
		'Form1
		'
		Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
		Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
		Me.ClientSize = New System.Drawing.Size(284, 261)
		Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None
		Me.Name = "Form1"
		Me.Text = "Form1"
		Me.ResumeLayout(False)

	End Sub

End Class

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