notepad4 [Customize toolbar] New icon suggestions | 新的自定义工具栏图标建议

Transparent window
半透明窗口

因为经常和始终置顶联合使用，可以增加半透明窗口的图标

Run As Admin
以管理员身份运行

要是能够根据文件夹写入权限，自动提供这个按钮就更好了。

        [DllImport("user32.dll", EntryPoint = "SendMessage")]
        public static extern int SendMessage(IntPtr hwnd, int wMsg, IntPtr wParam, IntPtr lParam);

        internal const int BCM_FIRST = 0x1600; //Normal button
        internal const int BCM_SETSHIELD = (BCM_FIRST + 0x000C); //Elevated button

        /// <summary>
        /// 增加盾牌图标
        /// </summary>
        /// <param name="btn">需要增加盾牌图标的按钮</param>
        static internal void AddShieldToButton(Button btn)
        {
            btn.FlatStyle = FlatStyle.System;
            SendMessage(btn.Handle, BCM_SETSHIELD, IntPtr.Zero, new IntPtr(0xFFFFFFFF));
        }