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Partial DateTime Object Equality

, 19 Jan 2011 CPOL 15.8K 10
Determine if specified date/time properrties are equal

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Members may post updates or alternatives to this current article in order to show different approaches or add new features.

9 Oct 2011
Luc Pattyn
I don't mind multiple exits in such a simple method, hence I'd write:public static bool Equals(this DateTime now, DateTime then, DatePartFlags flags) { if ((flags & DatePartFlags.Ticks) != 0 && now.Ticks != then.Ticks) return false; ... if ((flags & DatePartFlags.Month) != 0...
15 Mar 2012
Andreas Gieriet
This is an alternative for "Partial DateTime Object Equality"
6 Feb 2011
jswolf19
If you use the logic from your FlagIsSet function, you can remove half of your tests: DatePartFlags equalFlags = DatePartFlags.Ticks; equalFlags |= (now.Year == then.Year) ? DatePartFlags.Year : 0; equalFlags |= (now.Month == then.Month) ? DatePartFlags.Month : 0; ...
6 Feb 2015
John Simmons / outlaw programmer
This is an alternative for "Partial DateTime Object Equality"

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John Simmons / outlaw programmer
Software Developer (Senior)
United States United States
I've been paid as a programmer since 1982 with experience in Pascal, and C++ (both self-taught), and began writing Windows programs in 1991 using Visual C++ and MFC. In the 2nd half of 2007, I started writing C# Windows Forms and ASP.Net applications, and have since done WPF, Silverlight, WCF, web services, and Windows services.

My weakest point is that my moments of clarity are too brief to hold a meaningful conversation that requires more than 30 seconds to complete. Thankfully, grunts of agreement are all that is required to conduct most discussions without committing to any particular belief system.

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