MethodInfo.cs

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using System.Diagnostics.CodeAnalysis;
using System.Runtime.CompilerServices;
 
namespace System.Reflection;
 
public abstract class MethodInfo : MethodBase
{
    public override MemberTypes MemberType => MemberTypes.Method;
 
    public virtual ParameterInfo ReturnParameter
    {
        get
        {
            throw NotImplemented.ByDesign;
        }
    }
 
    public virtual Type ReturnType
    {
        get
        {
            throw NotImplemented.ByDesign;
        }
    }
 
    public abstract ICustomAttributeProvider ReturnTypeCustomAttributes { get; }
 
    internal virtual int GenericParameterCount => GetGenericArguments().Length;
 
    public override Type[] GetGenericArguments()
    {
        throw new NotSupportedException(SR.NotSupported_SubclassOverride);
    }
 
    public virtual MethodInfo GetGenericMethodDefinition()
    {
        throw new NotSupportedException(SR.NotSupported_SubclassOverride);
    }
 
    [RequiresUnreferencedCode("If some of the generic arguments are annotated (either with DynamicallyAccessedMembersAttribute, or generic constraints), trimming can't validate that the requirements of those annotations are met.")]
    public virtual MethodInfo MakeGenericMethod(params Type[] typeArguments)
    {
        throw new NotSupportedException(SR.NotSupported_SubclassOverride);
    }
 
    public abstract MethodInfo GetBaseDefinition();
 
    public virtual Delegate CreateDelegate(Type delegateType)
    {
        throw new NotSupportedException(SR.NotSupported_SubclassOverride);
    }
 
    public virtual Delegate CreateDelegate(Type delegateType, object? target)
    {
        throw new NotSupportedException(SR.NotSupported_SubclassOverride);
    }
 
    public T CreateDelegate<T>() where T : Delegate
    {
        return (T)CreateDelegate(typeof(T));
    }
 
    public T CreateDelegate<T>(object? target) where T : Delegate
    {
        return (T)CreateDelegate(typeof(T), target);
    }
 
    public override bool Equals(object? obj)
    {
        return base.Equals(obj);
    }
 
    public override int GetHashCode()
    {
        return base.GetHashCode();
    }
 
    [MethodImpl(MethodImplOptions.AggressiveInlining)]
    public static bool operator ==(MethodInfo? left, MethodInfo? right)
    {
        if ((object)right == null)
        {
            if ((object)left != null)
            {
                return false;
            }
            return true;
        }
        if ((object)left == right)
        {
            return true;
        }
        return left?.Equals(right) ?? false;
    }
 
    public static bool operator !=(MethodInfo? left, MethodInfo? right)
    {
        return !(left == right);
    }
}