C# WinForm开发 取消窗体关闭按钮

//禁用窗体的关闭按钮

        private const int CP_NOCLOSE_BUTTON = 0x200;

        protected override CreateParams CreateParams

        {

            get

            {

                CreateParams myCp = base.CreateParams;

                myCp.ClassStyle = myCp.ClassStyle | CP_NOCLOSE_BUTTON;

                return myCp;

            }

        }

public Form1()

        {

            InitializeComponent();

            this.ControlBox = false;   // 设置不出现关闭按钮

        }

C# WinForm开发 取消窗体关闭按钮
http://www.cnblogs.com/bison1989/archive/2012/04/18/2455068.html