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c# Programming Glossary: guid.emptyC#: Test if string is a guid without throwing exceptions? http://stackoverflow.com/questions/104850/c-test-if-string-is-a-guid-without-throwing-exceptions value new Guid s return true catch FormatException value Guid.Empty return false is not suitable. I would try using RegEx but since.. returns the empty guid for null strings if s null s value Guid.Empty return false int hresult PInvoke.ObjBase.CLSIDFromString s out.. s out value if hresult 0 return true else value Guid.Empty return false namespace PInvoke class ObjBase summary This function..
Catch multiple Exceptions at once? http://stackoverflow.com/questions/136035/catch-multiple-exceptions-at-once WebId new Guid queryString web catch FormatException WebId Guid.Empty catch OverflowException WebId Guid.Empty I wonder Is there a.. WebId Guid.Empty catch OverflowException WebId Guid.Empty I wonder Is there a way to catch both Exceptions and only call.. a way to catch both Exceptions and only call the WebId Guid.Empty call once Edit the given example is rather simple as it's only..
http://stackoverflow.com/questions/14306048/controling-volume-mixer GetVolumeObject name if volume null return Guid guid Guid.Empty volume.SetMasterVolume level 100 ref guid public static void.. GetVolumeObject name if volume null return Guid guid Guid.Empty volume.SetMute mute ref guid public static IEnumerable string..
http://stackoverflow.com/questions/1752004/sequential-guid-generator-c-sharp starting over. That for the seed instead of starting with Guid.Empty that I use public SequentialGuid var tempGuid Guid.NewGuid var..
How do I disable a system device programatically? http://stackoverflow.com/questions/4097000/how-do-i-disable-a-system-device-programatically bool disable true IntPtr info IntPtr.Zero Guid NullGuid Guid.Empty try info SetupDiGetClassDevsW ref NullGuid null IntPtr.Zero..
How can I default a parameter to Guid.Empty in C#? http://stackoverflow.com/questions/5117970/how-can-i-default-a-parameter-to-guid-empty-in-c can I default a parameter to Guid.Empty in C# I wish to say public void Problem Guid optional Guid.Empty.. in C# I wish to say public void Problem Guid optional Guid.Empty But the compiler complains that Guid.Empty is not a compile.. Guid optional Guid.Empty But the compiler complains that Guid.Empty is not a compile time constant. As I don ™t wish to change the..
Does Entity Framework 4 Code First have support for identity generators like NHibernate? http://stackoverflow.com/questions/5275306/does-entity-framework-4-code-first-have-support-for-identity-generators-like-nhi the identifier. When inserting using EF they retain their Guid.Empty initial values. I know that you can set a default value for..
Distinct list of objects based on an arbitrary key in LINQ http://stackoverflow.com/questions/742682/distinct-list-of-objects-based-on-an-arbitrary-key-in-linq description var list new List Foo list.Add new Foo id Guid.Empty description empty list.Add new Foo id Guid.Empty description.. Foo id Guid.Empty description empty list.Add new Foo id Guid.Empty description empty list.Add new Foo id Guid.NewGuid description..
Is this Custom Principal in Base Controller ASP.NET MVC 3 terribly inefficient? http://stackoverflow.com/questions/8263845/is-this-custom-principal-in-base-controller-asp-net-mvc-3-terribly-inefficient new MyPrincipal base.User.Identity new List string 0 Guid.Empty protected override void OnAuthorization AuthorizationContext.. new MyPrincipal base.User.Identity new List string 0 Guid.Empty and this feels terribly inefficient to me although it's only..
Simulating Cross Context Joins--LINQ/C# http://stackoverflow.com/questions/898363/simulating-cross-context-joins-linq-c select l.GUID_LOAN return query.Count 0 query.First Guid.Empty private static IQueryable LOAN GetLoans using var _baseDataContext.. select l.GUID_LOAN return query.Count 0 query.First Guid.Empty private static IEnumerable LOAN GetLoans using var _baseDataContext..
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