BuildingCoder.CmdDemoCheck.GetWindowTextUsingWinApi C# (CSharp) Метод

        static string GetWindowTextUsingWinApi( IntPtr mainWindow )
        {
            if( IntPtr.Zero == mainWindow )
              {
            throw new ArgumentException(
              "Expected valid window handle." );
              }
              int len = GetWindowTextLength( mainWindow );
              StringBuilder sb = new StringBuilder( len + 1 );
              GetWindowText( mainWindow, sb, sb.Capacity );
              return sb.ToString();
        }