system.reflection

问题 I'm using Entity Framework 6.0, DbContext. I'm using this method to copy an object and some related children: Imports System.Data.Objects Imports System.Data.Objects.DataClasses Imports System.Runtime.CompilerServices Public Module Entities <Extension()> Public Function CloneEntity(Of T As Class)(entity As T, context As ObjectContext, Optional include As List(Of IncludeEntity) = Nothing, Optional copyKeys As Boolean = False) As T Return CloneEntityHelper(entity, context, include, copyKeys)

问题 Why is the "someValue" variable which is readonly (but we still can change its value via reflection) output as "10", although it actually did change to 55? static class Program { static readonly int someValue = 10; static void Main(string[] args) { Console.WriteLine(someValue); // 10 typeof(Program) .GetField("someValue", BindingFlags.Static | BindingFlags.NonPublic) .SetValue(null, 55); // change readonly field via reflection to 55 Console.WriteLine(someValue); // output in console 10, //

问题 I have a private static generic method I want to call using reflection, but really I want to 'bundle' it inside of another method. C# 7.0 supports local functions so this is definitely possible. You would say "why don't you just call it directly?" but I'm using it to get the ability to use an object and System.Type in a strongly typed manner so I need to call it dynamically. This code already works if I have it as it's own private static generic method. private static void HandleResponse

问题 I have a private static generic method I want to call using reflection, but really I want to 'bundle' it inside of another method. C# 7.0 supports local functions so this is definitely possible. You would say "why don't you just call it directly?" but I'm using it to get the ability to use an object and System.Type in a strongly typed manner so I need to call it dynamically. This code already works if I have it as it's own private static generic method. private static void HandleResponse

问题 I am using C#/.NET 4.0 and a Protocol Buffers library (protobuf-net) which provides the following functionality. public static class Serializer { public static void Serialize<T>(Stream destination, T instance); public static void Serialize<T>(SerializationInfo info, T instance); public static void Serialize<T>(XmlWriter writer, T instance); public static void Serialize<T>(SerializationInfo info, StreamingContext context, T instance); public static T Deserialize<T>(Stream source); } I need to

问题 I am curious if someone can describe how to enumerate ADSI methods available via a bound instance as [ADSI]$instance.psbase.Invoke() ? Research has turned up "refer to the docs for the ADSI interface". but I am not particularly happy with that answer. If I instantiate with: [ADSI]$lhost_group="WinNT://./Administrators,group" Then attempt: @($lhost_group.psbase.Invoke("Members")) | foreach-object {$_.GetType().InvokeMember("Name", 'GetProperty', $null, $_, $null)} Powershell will return the

问题 I have the following project structure: Web API Class Library A Class Library B Class Library C These are the references between the projects Web API directly references A and B B directly references C C has a method which needs to ensure that A is loaded to use, by reflection, a type defined in it. My code actually is like the following public class C { public void MethodCallingBType( string fullClassName ) { //e.g. "MyNamespace.MyType, MyNamespace" string[] parts = fullClassName.Split( ','

问题 I have a library with the below code for dependency injection. This loads all implementation classes ending with Handler and register them. public static class HandlerRegistrationExtension { private static IDictionary<Type, Type> _decoratorsAttributes; public static void AddHandlers(this IServiceCollection services, IDictionary<Type, Type> decoratorsAttributes) { _decoratorsAttributes = decoratorsAttributes ?? new Dictionary<Type, Type>(); List<Type> allAssembliesTypes = Assembly

问题 the class will be declared in runtime and values are stored in a Bag object like session or ViewBag . Now I want to create an instance of the class and set it's properties using Bag data . I know that I should use reflection , but I don't know if there is any method out of box that does such things or I should create one ? session["Foo"] = "foo"; session["Bar"] = "bar"; var instance = System.Activator.CreateInstance(Type.GetType(className)); instance = ? // how to set properties using session

问题 We are using this component www.codeeffects.com which allows us to create business rules based on the object properties. The html of the view is like this: @{ ViewBag.Title = "Post Example"; Html.CodeEffects().Styles() .SetTheme(ThemeType.Gray) .Render(); } @using (Html.BeginForm("Evaluate", "Post", FormMethod.Post)) { <div class="area"> <h1 class="title">Post Example</h1> <div style="margin-top:10px;"> <span>Info:</span> <span style="color:Red;">@ViewBag.Message</span> </div> <div style=