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Partial classes
I got an enhancement request from a user on Dingo's forum asking for Partial class support. Although implementing it isn't that hard, I question the value of Partial classes. So I have to ask others, "Is this feature really useful?" I found several articles and blogs discussion partial classes. One article on C# corner http://www.c-sharpcorner.com/Code/2004/July/WhidbeyFeatures.asp suggests Partial classes is good because it allows multiple developers to work on the same class. I find that idea scary and ripe for abuse. I then came across a blog by Dan Fernandez http://blogs.msdn.com/danielfe/archive/2004/02/02/66463.aspx suggesting it is a way to separate VS.NET generated code and user implemented code. although that reason seems valid to me, I think it would be better for VS.NET to generate an abstract class and label the necessary methods virtual. This way, users would extend that base class and implement the required methods.
What do others think?
peter
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Message #172619
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I totally agree
Partial classes seem like a hack, made just to address the Visual Studio.NET issue.
I think that your suggestion of abstract classes would a lot better.
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Message #172630
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anyone know why partial was added to .NET 2.0?
I'm curious as to why MS decided to provide Partial class in .NET 2.0? Was it to address the needs of VB developers? Is it some how related to the new modeling features in VS.NET? If there is a compelling reason, I'd like to know.
Even though it's tempting to dismiss the feature, I'd like to know the real reason and make sure I'm not just being totally bias.
peter
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Message #172719
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I disagree...
It may seem that partial classes is a hack to support the new features in VS.NET 2005. At the same time I think that the purpose it serves in VS.NET is nice. Separate the designer code from the programmers code which is good. Especially in advanced projects.
Outside VS.NET I look forward to this feature as well. We use a codegenerator to generate all dataaccess classes and all classes that make up the state-objects. Today we have to inherit from the generated assembly to add additional methods. (And generate a new assembly) With .Net 2.0 we will be able to write the additional methods which will be compiled into the single output assembly. This will result in a much smooth build process.
Regards,
Anders
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