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Tuesday, June 10, 2008 2:26 PM

Fundamentals of OOD Part 3: Method Cohesion

Single Responsibility Principle (SRP) helps us write more cohesive types and methods. Cohesion is the relatedness of the members of a type to each other and the relatedness parts of a method's code to other parts. Method cohesion Often times a method...
Posted by PeterRitchie | 13 comment(s)
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Thursday, May 08, 2008 3:01 PM

Fundamentals of OOD, Part 2 - Encapsulation Scope

Let's look at the ubiquitous Person concept. It might seem logical that an application that deals with people should have a Person interface for classes to implement. For example: public interface IPerson { String GivenName { get; set; } String SurName...
Posted by PeterRitchie | 3 comment(s)
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Thursday, May 01, 2008 10:50 PM

Fundamentals of Object-Oriented Design (OOD) Part 1

With increased usage of patterns and situationally specific strategies, people sometimes lose sight of the concepts and principles behind these patterns and strategies and fail to follow them when they're not using patterns or strategies. I feel it's...
Posted by PeterRitchie | 1 comment(s)
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Tuesday, April 29, 2008 9:08 AM

Overcoming problems with MethodInfo.Invoke of methods with by-reference value type arguments

I ran into an interesting problem on the Forums recently. Basically, when you use MethodInfo.Invoke to invoke a method with by-reference value type arguments you can't have the invoked method update a variable/argument. The problem is, when you invoke...
Posted by PeterRitchie | 5 comment(s)
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Thursday, March 13, 2008 10:46 AM

Upcoming C# 3 Guidance From Microsoft

Mircea Trofin has some design guidelines with regard to some C# 3 language additions (that I assume will make it into a revised Framework Design Guidelines of some sort). They more less agree with the guidelines I published in Code Magazine a while ago...
Posted by PeterRitchie | 4 comment(s)
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Monday, January 28, 2008 11:04 AM

"Object is currently in use elsewhere" error.

I was debugging what I thought was a strange exception the other day. The exception was an InvalidOperationException and the message was "Object is currently in use elsewhere". Unless you're familiar with this exception, it really doesn't...
Posted by PeterRitchie | 5 comment(s)
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Tuesday, January 22, 2008 5:35 PM

Formatting/parsing for a specific culture redux

In recent blog post I detailed how creating a culture via the CultureInfo constructor could actually create a user-overridden culture--which could be completely different than the culture that you've requested by name. Fortunately there's a way...
Posted by PeterRitchie | with no comments
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Thursday, December 27, 2007 9:47 AM

Formatting/parsing for a specific culture

Sometimes you may want to use a specific format for formatting and parsing of textual data. The easiest way to do this is to select a specific culture and use that with formatting and parsing methods. Unfortunately, the CultureInfo constructor that just...
Posted by PeterRitchie | 3 comment(s)
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