using System; using System.Linq; using System.Reflection; using SharpShell.ServerRegistration; namespace SharpShell.Attributes { /// <summary> /// Identifies a function as being a static custom registration function. /// </summary> [AttributeUsage(AttributeTargets.Method)] public class CustomRegisterFunctionAttribute : Attribute { /// <summary> /// Executes the CustomRegisterFunction if it exists for a type. /// </summary> /// <param name="type">The type.</param> /// <param name="registrationType">Type of the registration.</param> public static void ExecuteIfExists(Type type, RegistrationType registrationType) { // Does the type have the attribute? var methodWithAttribute = type.GetMethods(BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.FlattenHierarchy) .FirstOrDefault(m => m.GetCustomAttributes(typeof(CustomRegisterFunctionAttribute), false).Any()); // Do we have a method? If so, invoke it. if (methodWithAttribute != null) methodWithAttribute.Invoke(null, new object[] {type, registrationType}); } } }
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