C# 隐藏标题栏 调整大小 并且移动窗口

隐藏标题栏(窗口属性)：

1、设置在该窗体的标题栏中是否显示控件框：

this.ControlBox = false;

2、设置在该窗体的标题为空：

this.Text = string.Empty;

3、移动窗口：实现Form的函数WndProc

        #region 实现点击移动
        internal static int WM_NCHITTEST = 0x84;
        internal static IntPtr HTCLIENT = (IntPtr)0x1;
        internal static IntPtr HTCAPTION = (IntPtr)0x2;
        internal static int WM_NCLBUTTONDBLCLK = 0x00A3;
        protected override void WndProc(ref Message m)
        {
            if (m.Msg == WM_NCLBUTTONDBLCLK)
            {
                return;
            }
            if (m.Msg == WM_NCHITTEST)
            {
                base.WndProc(ref m);
                if (m.Result == HTCLIENT)
                {
                    m.HWnd = this.Handle;
                    m.Result = HTCAPTION;
                }
                return;
            }
            base.WndProc(ref m);
        }
        #endregion