/// <summary>
/// Reads a rectangular block of character and attribute information from the screen buffer into the passed array.
/// </summary>
/// <param name="buff">The array into which character information is to be placed.</param>
/// <param name="buffX">The column position in the array where the first character is to be placed.</param>
/// <param name="buffY">The row position in the array where the first character is to be placed.</param>
/// <param name="left">Column position of the top-left corner of the screen buffer area from which characters are to be read.</param>
/// <param name="top">Row position of the top-left corner of the screen buffer area from which characters are to be read.</param>
/// <param name="right">Column position of the bottom-right corner of the screen buffer area from which characters are to be read.</param>
/// <param name="bottom">Row position of the bottom-right corner of the screen buffer area from which characters are to be read.</param>
public void ReadBlock(ConsoleCharInfo[,] buff, int buffX, int buffY, int left, int top, int right, int bottom)
{
if (disposed)
{
throw new ObjectDisposedException(this.ToString());
}
// determine size of the buffer
Coord bufferSize = new Coord((short)buff.GetLength(1), (short)buff.GetLength(0));
Coord bufferPos = new Coord((short)buffX, (short)buffY);
SmallRect readRegion = new SmallRect((short)left, (short)top, (short)right, (short)bottom);
if (!WinCon.ReadConsoleOutput(_handle, buff, bufferSize, bufferPos, readRegion))
{
throw new IOException("Read error.", Marshal.GetLastWin32Error());
}
}
