WindowFlasher.cs

#if false
using System;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace Rampastring.Tools
{
    public static class WindowFlasher
    {
        // To support flashing.
        [DllImport("user32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        static extern bool FlashWindowEx(ref FLASHWINFO pwfi);

        //Flash both the window caption and taskbar button.
        //This is equivalent to setting the FLASHW_CAPTION | FLASHW_TRAY flags. 
        public const uint FLASHW_ALL = 3;

        // Flash continuously until the window comes to the foreground. 
        public const uint FLASHW_TIMERNOFG = 12;

        [StructLayout(LayoutKind.Sequential)]
        public struct FLASHWINFO
        {
            public uint cbSize;
            public IntPtr hwnd;
            public uint dwFlags;
            public uint uCount;
            public uint dwTimeout;
        }


        /// <summary>
        /// Flashes a form's window in the taskbar.
        /// </summary>
        /// <param name="form">The form to flash.</param>
        /// <returns>The return value fo FlashWindowEx.</returns>
        public static bool FlashWindowEx(Form form)
        {
            IntPtr hWnd = form.Handle;
            FLASHWINFO fInfo = new FLASHWINFO();

            fInfo.cbSize = Convert.ToUInt32(Marshal.SizeOf(fInfo));
            fInfo.hwnd = hWnd;
            fInfo.dwFlags = FLASHW_ALL | FLASHW_TIMERNOFG;
            fInfo.uCount = UInt32.MaxValue;
            fInfo.dwTimeout = 0;

            return FlashWindowEx(ref fInfo);
        }
    }
}
#endif