Change the "System.Drawing" reference of "CoreCompat.System.Drawing"
if you throw The type initializer for ‘System.Drawing.KnownColors‘ threw an exception
to do:apt-get install libgdiplus
debian The type initializer for 'System.Drawing.KnownColors' threw an exception
原文：http://www.cnblogs.com/kellynic/p/7100967.html
