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using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Runtime.InteropServices; namespace WindowsFormsApplication1{    public partial class Form1 : Form    {        public Form1 ( )        {            InitializeComponent();        }        #region 窗體特效        #region Aero玻璃特效        [DllImport("dwmapi.dll" , PreserveSig = false)]        static extern void DwmExtendFrameIntoClientArea ( IntPtr hwnd , ref Margins margins );        [DllImport("dwmapi.dll" , PreserveSig = false)]        static extern bool DwmIsCompositionEnabled ( );        [StructLayout(LayoutKind.Sequential)]        class Margins        {            public int Left , Right , Top , Bottom;        }        #endregion          #region 窗體移動(dòng)        [DllImport("user32.dll")]        public static extern bool ReleaseCapture ( );        [DllImport("user32.dll")]        public static extern bool SendMessage ( IntPtr hwnd , int wMsg , int wParam , int lParam );        public const int WM_SYSCOMMAND = 0x0112;        public const int SC_MOVE = 0xF010;        public const int HTCAPTION = 0x0002;        #endregion          #region 重繪窗體        protected override void OnLoad ( EventArgs e )        {            if (DwmIsCompositionEnabled())            {                Margins margins = new Margins();                margins.Right = margins.Left = margins.Top = margins.Bottom = this.Width + this.Height;                DwmExtendFrameIntoClientArea(this.Handle , ref margins);            }            base.OnLoad(e);        }        protected override void OnPaintBackground ( PaintEventArgs e )        {            base.OnPaintBackground(e);            if (DwmIsCompositionEnabled())            {                e.Graphics.Clear(Color.Black);            }        }        #endregion        #endregion     }}