openDecal/Managed/Decal.Adapter/Decal.Adapter.NetParser/MessageMemberWrapper.cs

using System.Runtime.InteropServices;
using Decal.Interop.Net;

namespace Decal.Adapter.NetParser;

[ComVisible(true)]
[ClassInterface(ClassInterfaceType.None)]
[ComDefaultInterface(typeof(IMessageMember))]
[ProgId("DecalAdapter.MessageMemberWrapper")]
[Guid("BD22CFC5-0950-4ab3-9752-5053EE934BE6")]
public class MessageMemberWrapper : MessageRootImpl, IMessageMember
{
	public int BeginOffset => Data.mOffset;

	public int Count => Data.Count;

	public int EndOffset => Data.mOffset + Data.mLength;

	// IMessageMember properties - parameterless accessors for the COM interface
	object IMessageMember.Value => get_Value(0);
	byte[] IMessageMember.RawValue => get_RawValue(0);
	IMessageMember IMessageMember.Struct => get_Struct(0);

	public MessageMemberWrapper()
	{
	}

	internal MessageMemberWrapper(MessageStruct msg, MessageWrapper wrapper)
		: base(msg, wrapper)
	{
	}

	public string get_FieldName(int Index)
	{
		return Data.Name(Index);
	}

	public byte[] get_RawValue(object vIndex)
	{
		return Data.RawValue(Data.ObjectToIndex(vIndex));
	}

	public IMessageMember get_Struct(object vIndex)
	{
		int num = Data.ObjectToIndex(vIndex);
		if (num < 0)
		{
			throw new COMHResultException((HResults)(-2147352571));
		}
		return new MessageMemberWrapper(Data.Struct(num), Wrapped);
	}

	public object get_Value(object vIndex)
	{
		int num = Data.ObjectToIndex(vIndex);
		if (num >= 0)
		{
			return Data.Value<object>(num);
		}
		throw new COMHResultException((HResults)(-2147352571));
	}
}