// 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));
}
