Hello, I'm trying to determine the difference between using
IPrincipal.IsInRole and PrincipalPermission.Demand. About the only
thing I can think of is that "Demand" allows a bit more flexibility
because it's constructor allows name/role, name/null, null/role. Plus,
it allows for the Union of more than one permission.
Are those the only differences, or am I missing more? Thanks for your
input.

Hello Martin.McDonald@us.logicalis.com,

internally PrincipalPermission calls IsInRole on Thread.CurrentPrincipal
and if false is returned, a SecurityException is thrown.

So it is really just a matter of taste.

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Dominick Baier - DevelopMentor
http://www.leastprivilege.com

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