关于High-Contrast的资料
SystemParameters.HighContrast Property
http://msdn.microsoft.com/en-us/library/system.windows.systemparameters.highcontrast(v=vs.100).aspx
How to handle highcontrast issue for WPF applications
http://social.msdn.microsoft.com/Forums/vstudio/en-US/ba9a379b-4f02-408c-954b-6057e6d0a1b5/how-to-handle-highcontrast-issue-for-wpf-applications
High contrast trigger on a WPF window
Is high contrast mode really useful?
:What is High Contrast themeHigh-contrast mode
http://msdn.microsoft.com/en-us/library/windows/desktop/hh848048%28v=vs.85%29.aspx