Skype Run

/*
@echo off && cls
set WinDirNet=%WinDir%\Microsoft.NET\Framework
IF EXIST "%WinDirNet%\v4.0.30319\csc.exe" set csc="%WinDirNet%\v4.0.30319\csc.exe"
IF EXIST "%WinDirNet%\v3.5\csc.exe" set csc="%WinDirNet%\v3.5\csc.exe"
IF EXIST "%WinDirNet%\v2.0.50727\csc.exe" set csc="%WinDirNet%\v2.0.50727\csc.exe"
%csc% /nologo /out:"%~0.exe" %0
"%~0.exe"
del "%~0.exe"
exit
*/

using System;
using Microsoft.Win32;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Threading;

namespace SkypeRun
{

    class Program
    {
        const string RegPath = @"Software\Skype\Phone";
        const string WindowClassName = "THomeForm";

        #region Import
        [DllImport("user32.dll", SetLastError = true)]
        static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

        [DllImport("user32.dll", CharSet=CharSet.Auto)]
        public static extern bool IsWindowVisible(IntPtr hWnd);

        [DllImport("user32.dll")]
        static extern int SendMessage(
            IntPtr hWnd,    // handle to destination window
            uint Msg,   // message
            long wParam,    // first message parameter
            long lParam // second message parameter
            );

        const uint WM_CLOSE = 0x0010;
        #endregion

        public static void Main(string[] args)
        {
            string path = GetSkypePath();
            Process proc = Process.Start(path);
            IntPtr wnd = new IntPtr(0);

            for(int i = 0; i<3000; i++)
            {
                wnd = FindWindow(WindowClassName, "Skype Home");
                if ( wnd.Equals(IntPtr.Zero) )
                {
                    wnd = FindWindow(WindowClassName, "Главная страница Skype");
                }
                if ( !wnd.Equals(IntPtr.Zero) && IsWindowVisible(wnd) )
                {
                    SendMessage(wnd, WM_CLOSE, 0, 0 );
                    return;
                }
                Thread.Sleep(10);
            }
        }

        static string GetSkypePath()
        {
            string path = "";
            object res;

            RegistryKey key = Registry.CurrentUser.OpenSubKey(RegPath, false);
            if (key != null && (res = key.GetValue("SkypePath")) is string )
            {
                path = res as string;
            }
            return path;
        }
    }
}