Пример #1
0
        // Adapted from .NET source code...
        // See: http://referencesource.microsoft.com/#mscorlib/system/console.cs,fcb364a853d81c57
        private static void SetWindowPosition(int left, int top)
        {
            AutoHelpers.LogInvariant("Attempt to set console viewport buffer to Left: {0} and Top: {1}", left, top);

            IntPtr hConsole = WinCon.GetStdHandle(WinCon.CONSOLE_STD_HANDLE.STD_OUTPUT_HANDLE);

            // Get the size of the current console window
            WinCon.CONSOLE_SCREEN_BUFFER_INFO csbi = new WinCon.CONSOLE_SCREEN_BUFFER_INFO();
            NativeMethods.Win32BoolHelper(WinCon.GetConsoleScreenBufferInfo(hConsole, out csbi), "Get console screen buffer for viewport size information.");

            WinCon.SMALL_RECT srWindow = csbi.srWindow;
            AutoHelpers.LogInvariant("Initial viewport position: {0}", srWindow);

            // Check for arithmetic underflows & overflows.
            int newRight = left + srWindow.Right - srWindow.Left + 1;

            if (left < 0 || newRight > csbi.dwSize.X || newRight < 0)
            {
                throw new ArgumentOutOfRangeException("left");
            }
            int newBottom = top + srWindow.Bottom - srWindow.Top + 1;

            if (top < 0 || newBottom > csbi.dwSize.Y || newBottom < 0)
            {
                throw new ArgumentOutOfRangeException("top");
            }

            // Preserve the size, but move the position.
            srWindow.Bottom -= (short)(srWindow.Top - top);
            srWindow.Right  -= (short)(srWindow.Left - left);
            srWindow.Left    = (short)left;
            srWindow.Top     = (short)top;

            NativeMethods.Win32BoolHelper(WinCon.SetConsoleWindowInfo(hConsole, true, ref srWindow), string.Format("Attempt to update viewport position to {0}.", srWindow));
        }