namespace system { internal static class CompatibilitySwitches { // used by System.IO.StreamWriter public static bool IsAppEarlierThanWindowsPhone8 => false; // // System.TimeSpan // public static class TimeSpan { // System.TimeSpan.LegacyFormatMode is a native call, which is // forwarded to the method below, see NativeMethodClasses in CodeCall. public static bool LegacyFormatMode() => false; } public static bool IsNetFx40TimeSpanLegacyFormatMode => false; } }