WinAPI.cs

using System;
using System.Runtime.InteropServices;


namespace Pinger
{
    public static class WinAPI
    {
        [DllImport("user32.dll", SetLastError = true)]
        public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        public static extern IntPtr FindWindowEx(IntPtr parentHandle, IntPtr childAfter, string lclassName, string windowTitle);
        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        public static extern IntPtr SendMessage(IntPtr hWnd, uint msg, int wParam, string lParam);
        [DllImport("user32.dll", SetLastError = true)]
        public static extern uint GetWindowThreadProcessId(int hWnd, ref int lpdwProcessId);
        public const int HWND_BROADCAST = 0xffff;
        public static readonly int WM_SHOWME = RegisterWindowMessage("WM_SHOWME");
        [DllImport("user32")]
        public static extern bool PostMessage(IntPtr hwnd, int msg, IntPtr wparam, IntPtr lparam);
        [DllImport("user32")]
        public static extern int RegisterWindowMessage(string message);
    }
}