C#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;
    }
}

 

转载于:https://www.cnblogs.com/xinzheng/p/4526885.html