C# Error Cs0535
resources Windows Server 2012 resources Programs MSDN subscriptions Overview Benefits Administrators Students Microsoft Imagine Microsoft Student Partners ISV Startups TechRewards Events Community Magazine Forums Blogs Channel 9 Documentation APIs and reference Dev centers Retired content Samples We’re sorry. The content you requested has been removed. You’ll be auto redirected in 1 second. MSDN Library MSDN Library MSDN Library MSDN Library Design Tools Development Tools and Languages Mobile and Embedded Development .NET Development Office development Online Services Open Specifications patterns & practices Servers and Enterprise Development Speech Technologies Web Development Windows Desktop App Development TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. Compiler Error CS0535 Other Versions Visual Studio 2008 Visual Studio 2005 Visual Studio .NET 2003 'class' does not implement interface member 'member'A class derived from an interface, but the class did not implement one or more of the interface's members. A class must implement all members of interfaces from which it derives or else be declared abstract.ExampleThe following sample generates CS0535. Copy // CS0535.cs public interface A { void F(); } public class B : A {} // CS0535 A::F is not implemented // OK public class C : A { public void F() {} public static void Main() {} } ExampleThe following sample generates CS0535. Copy // CS0535_b.cs using System; class C : IDisposable {} // CS0535 // OK class D : IDisposable { void IDisposable.Dispose() {} public void Dispose() {} static void Main() { using (D d = new D()) {} } } Show: Inherited Protected Print Export (0) Print Export (0) Share IN THIS ARTICLE Is this page helpful? Yes No Additional
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up DataObjectSerializer interface implementation CS0535 up vote 0 down vote favorite I https://msdn.microsoft.com/en-us/library/525wxbha.aspx am trying to make a class of my project serializable so I can exchange objects of it throgh a network for a client/server-application. Since I also want to include "child"-objects and private members I chose to do so with the help of DataContractSerializer. However, although I am layzily trying to copy-paste my first draft out of MSDN's respective site, do not get good results. I already referenced the System.Runtime.Serialization.dll http://stackoverflow.com/questions/21023038/dataobjectserializer-interface-implementation-cs0535 as well as all the related namespaces. Here's my issue: When trying to compile I get CS0535 'Server.Anfrage' does not implement interface member 'System.Runtime.Serialization.IExtensibleDataObject.ExtensionData' (CS0535) although I got my the specified member implemented. For now I am only trying to get it to work with the 3 strings, but later it's going to be more. [DataContract] public class Anfrage : IExtensibleDataObject { [DataMember] internal string sender, aktion, param; internal halbAuftrag execute(){ Bahnhof von = Program.bahnhoefe[Program.getIndex(sender)]; Bahnhof zu = Program.bahnhoefe[Program.getIndex(param)]; return new halbAuftrag(von, aktion, zu); } internal ExtensionDataObject extensionData_Value; public ExtensionDataObject extensionData { get { return extensionData_Value; } set { extensionData_Value = value; } } [...] } Can anyone tell me why I am getting the aforementioned error? Thanks a lot. c# interface datacontractserializer interface-implementation share|improve this question asked Jan 9 '14 at 14:33 Mark 255216 add a comment| 1 Answer 1 active oldest votes up vote 0 down vote accepted You have a small typo. The following line public ExtensionDataObject extensionData { Should be public ExtensionDataObject ExtensionData { (capital E) share|improve this answer answered Jan 9 '14 at 14:40 Eli Arbel 10.6k11744 files.sa-mp.im/uploads/6434e-Epic%2520facepalm-b7.jpg Thanks! I read half the c#-doc to find it: I should have known that it'll be something stupid :D
Question Need help? Post your question and get tips & solutions from a community of https://bytes.com/topic/c-sharp/answers/660659-abstract-class-does-not-implement-interface-member 418,461 IT Pros & Developers. It's quick & easy. abstract class 'does not implement interface member ...' P: n/a Ben Voigt [C++ MVP] I get C:\Programming\LTM\devtools\UselessJunkForDissasse mbly\Class1.cs(360,27): error https://books.google.com/books?id=4wIZCwAAQBAJ&pg=PA488&lpg=PA488&dq=c%23+error+cs0535&source=bl&ots=wlphM8cd9E&sig=6KpHmwIliVbDl6nzejUIp4B8wvk&hl=en&sa=X&ved=0ahUKEwjxr8uV2bbPAhUq_4MKHWx2BrQQ6AEIVTAI CS0535: 'UselessJunkForDissassembly.InvocableInternals' does not implement interface member 'UselessJunkForDissassembly.IInvocableInternals.Op erationValidate(string)' C:\Programming\LTM\devtools\UselessJunkForDissasse mbly\Class1.cs(360,27): error CS0535: 'UselessJunkForDissassembly.InvocableInternals' does not implement interface member 'UselessJunkForDissassembly.IInvocableInternals.Pr oxiedOperation' when compiling: public interface IInvocable { object c# error Operation { get; } } internal interface IInvocableInternals : IInvocable { bool OperationValidate(string args); string ProxiedOperation { get; } } public abstract class InvocableInternals : IInvocableInternals { public object Operation { get { return ProxiedOperation; } } } But, I already knew the class didn't implement those functions. That's why it is *abstract*. Please note that c# error cs0535 I've replaced all complicated types with object or string to make a minimal reproduction. I don't want my internal functions exposed publicly, I can't hide InvocableInternals because public classes inherit from it, and I don't want to use a forwarder because, I'm convinced that the JIT wouldn't be able to inline it. Why isn't it allowed to just implement "IInvocableInternals.OperationValidate" in the most derived class? Jun 11 '07 #1 Post Reply Share this Question 1 2 > 52 Replies P: n/a Nicholas Paldino [.NET/C# MVP] Ben, According to the language specification: 20.4.5 Abstract classes and interfaces 1. Like a non-abstract class, an abstract class must provide implementations of all members of the interfaces that are listed in the base class list of the class. Or are you asking why the language specification is this way? -- - Nicholas Paldino [.NET/C# MVP] - mv*@spam.guard.caspershouse.com "Ben Voigt [C++ MVP]"
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