Beware default values. They're set at the point of invocation at compile time. This isn't a problem, but you need to be aware of it. For this reason it's con

Beware default values. They're set at the point of invocation at compile time. This isn't a problem, but you need to be aware of it. For this reason it's considered bad form to publicly use default values library assemblies - the callers won't see any change until they too are recompiled. See http://blogs.msdn.com/b/ericlippert/archive/2011/05/19/optional-argument-corner-cases-part-four.aspx http://blogs.msdn.com/b/ericlippert/archive/2011/05/19/optio...