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POClass design: allow a class to be used both as an object and also supply public static methods
 

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    <p>I have a silly, little class "<strong>FileSystemSize</strong>" which can be used both as an object and also via public, static methods. The output is similar, but not identical in each case.</p> <p>The class was <strong>intially static</strong>, but I added the possibility to initialize it as an object to allow extending with new "<strong>convenience methods</strong>" in future versions, without the need for a lot of parameter parsing. For example I have <strong>GetKBString()</strong>, <strong>GetMBString()</strong>, etc...methods to allow getting the file size conveniently formatted the way I want it (as a string). Internally the class stores the file byte size as a double.</p> <p>I am a bit confused if this makes sense at all. It seems like I should perhaps split this into a static version and an object version like Microsoft does for Directory and DirectoryInfo. However it just seems easier to me to have this all in one place with a name that can't be mistaken - it should be clear what FileSystemSize does? Are there any implications for maintenance that I am not anticipating? What's that smell?</p> <pre><code>var mypath = @"C:\mypath"; var filesystemsize = new FileSystemSize(mypath); string kilobytes = filesystemsize.GetKBString(); string megabytes = filesystemsize.GetMBString(); double bytes = filesystemsize.ByteSize; double staticbytes = FileSystemSize.GetDirectoryBytesSize(new DirectoryInfo(mypath)); double statickilobytes = FileSystemSize.ConvertSize(staticbytes, "KB"); </code></pre>
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    1. COWhy is your ByteSize property a double? Wouldn't an int int64 be better? As far as i can remember, bytes are always measured in whole numbers.
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