ProvidePropertyAttribute.cs

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using System.Diagnostics.CodeAnalysis;
 
namespace System.ComponentModel;
 
[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
public sealed class ProvidePropertyAttribute : Attribute
{
    public string PropertyName { get; }
 
    [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
    public string ReceiverTypeName { get; }
 
    public override object TypeId => GetType().FullName + PropertyName;
 
    public ProvidePropertyAttribute(string propertyName, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] Type receiverType)
    {
        if (receiverType == null)
        {
            throw new ArgumentNullException("receiverType");
        }
        PropertyName = propertyName;
        ReceiverTypeName = receiverType.AssemblyQualifiedName;
    }
 
    public ProvidePropertyAttribute(string propertyName, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] string receiverTypeName)
    {
        PropertyName = propertyName;
        ReceiverTypeName = receiverTypeName;
    }
 
    public override bool Equals([NotNullWhen(true)] object? obj)
    {
        if (obj == this)
        {
            return true;
        }
        if (obj is ProvidePropertyAttribute providePropertyAttribute && providePropertyAttribute.PropertyName == PropertyName)
        {
            return providePropertyAttribute.ReceiverTypeName == ReceiverTypeName;
        }
        return false;
    }
 
    public override int GetHashCode()
    {
        return HashCode.Combine(PropertyName, ReceiverTypeName);
    }
}