Returns or sets a value that indicates how the specified shape appears when the presentation is viewed in black-and-white mode. Can be one of the following MsoBlackWhiteMode constants: msoBlackWhiteAutomatic, msoBlackWhiteBlack, msoBlackWhiteBlackTextAndLine, msoBlackWhiteDontShow, msoBlackWhiteGrayOutline, msoBlackWhiteGrayScale, msoBlackWhiteHighContrast, msoBlackWhiteInverseGrayScale, msoBlackWhiteLightGrayScale, msoBlackWhiteMixed, or msoBlackWhiteWhite. Read/write Long.