The five requirements are
o Support standard system settings. This requires your application to be able
to conform to system settings for colors, fonts, and other UI elements.
o Be compatible with High Contrast mode. This requirement can be met by
using only the System palette for UI colors.
o Provide documented keyboard access for all UI features. Key points in this
requirement are shortcut keys and accessible documentation.
o Provide notification of the focus location. This requirement is handled
primarily by the .NET Framework.
o Convey no information by sound alone. This requirement can be met by
providing redundant means of conveying information.