diff --git a/framework/CMakeLists.txt b/framework/CMakeLists.txt
index c84a1a2..730b18d 100644
--- a/framework/CMakeLists.txt
+++ b/framework/CMakeLists.txt
@@ -39,7 +39,7 @@ add_executable (xna WIN32
 "content/manager.cpp"
 "content/reader.cpp"
 "csharp/binary.cpp"
-"content/decstream.cpp" "content/lzx/decoder.cpp" "content/lzx/decoderstream.cpp" "content/typereadermanager.cpp" "csharp/object.cpp")
+"content/decstream.cpp" "content/lzx/decoder.cpp" "content/lzx/decoderstream.cpp" "content/typereadermanager.cpp" "csharp/object.cpp" "csharp/type.cpp")
 
 if (CMAKE_VERSION VERSION_GREATER 3.12)
   set_property(TARGET xna PROPERTY CXX_STANDARD 20)
diff --git a/framework/content/reader.cpp b/framework/content/reader.cpp
index 160c74a..7f6a211 100644
--- a/framework/content/reader.cpp
+++ b/framework/content/reader.cpp
@@ -1,6 +1,7 @@
 #include "reader.hpp"
 #include "manager.hpp"
 #include "lzx/decoderstream.hpp"
+#include "typereadermanager.hpp"
 
 namespace xna {
 	sptr<ContentReader> ContentReader::Create(ContentManager* contentManager, Stream* input, String const& assetName)
@@ -53,6 +54,6 @@ namespace xna {
 	}
 
 	Int ContentReader::ReadHeader() {
-		return Int();
+		//typeReaders = ContentTypeReaderManager::ReadTypeManifest(this->Read7BitEncodedInt(), this);
 	}
 }
diff --git a/framework/content/typereadermanager.cpp b/framework/content/typereadermanager.cpp
index f5148a5..636b7c5 100644
--- a/framework/content/typereadermanager.cpp
+++ b/framework/content/typereadermanager.cpp
@@ -34,10 +34,12 @@ namespace xna {
 		return contentTypeReaderArray;
 	}
 
-	sptr<ContentTypeReader> ContentTypeReaderManager::GetTypeReader(String const& targetType, sptr<ContentReader>& contentReader, xna_error_ptr_arg)
+	sptr<ContentTypeReader> ContentTypeReaderManager::GetTypeReader(sptr<Type> const& targetType, sptr<ContentReader>& contentReader, xna_error_ptr_arg)
 	{
-		if (targetType.empty())
+		if (!targetType) {
+			xna_error_apply(err, XnaErrorCode::ARGUMENT_IS_NULL);
 			return nullptr;
+		}
 
 		sptr<ContentTypeReader> typeReader = nullptr;
 
@@ -57,10 +59,13 @@ namespace xna {
 	{
 		sptr<ContentTypeReader> reader = nullptr;
 
-		if (ContentTypeReaderManager::nameToReader.contains(readerTypeName) || !ContentTypeReaderManager::InstantiateTypeReader(readerTypeName, contentReader, reader)) {
+		if (ContentTypeReaderManager::nameToReader.contains(readerTypeName) || !ContentTypeReaderManager::InstantiateTypeReader(readerTypeName, contentReader, reader, err)) {
 			return ContentTypeReaderManager::nameToReader[readerTypeName];
 		}		
 
+		if (xna_error_haserros(err))
+			return nullptr;
+
 		ContentTypeReaderManager::AddTypeReader(readerTypeName, contentReader, reader, err);
 
 		if (xna_error_haserros(err)) return nullptr;
@@ -70,15 +75,30 @@ namespace xna {
 		return reader;
 	}
 
-	bool ContentTypeReaderManager::InstantiateTypeReader(String const& readerTypeName, sptr<ContentReader>& contentReader, sptr<ContentTypeReader>& reader)
+	bool ContentTypeReaderManager::InstantiateTypeReader(String const& readerTypeName, sptr<ContentReader>& contentReader, sptr<ContentTypeReader>& reader, xna_error_ptr_arg)
 	{
-		if (ContentTypeReaderManager::readerTypeToReader.contains(readerTypeName)) {
-			reader = ContentTypeReaderManager::readerTypeToReader[readerTypeName];
+		sptr<Type> type = nullptr;
+
+		std::map<sptr<Type>, sptr<ContentTypeReader>>::iterator it;
+
+		for (it = readerTypeToReader.begin(); it != readerTypeToReader.end(); it++) {
+			if (it->first->FullName == readerTypeName)
+				type = it->first;
+		}
+
+		if (!type) {
+			xna_error_apply(err, XnaErrorCode::INVALID_OPERATION);
+			return false;
+		}
+
+		if (ContentTypeReaderManager::readerTypeToReader.contains(type)) {
+			reader = ContentTypeReaderManager::readerTypeToReader[type];
 			ContentTypeReaderManager::nameToReader.insert({ readerTypeName, reader });
 			return false;
 		}
 
-		reader = ContentTypeReaderActivador::CreateInstance(readerTypeName);
+		reader = ContentTypeReaderActivador::CreateInstance(type, err);
+		return true;
 	}
 
 	void ContentTypeReaderManager::AddTypeReader(String const& readerTypeName, sptr<ContentReader>& contentReader, sptr<ContentTypeReader>& reader, xna_error_ptr_arg)
@@ -106,18 +126,7 @@ namespace xna {
 			ContentTypeReaderManager::RollbackAddReader(ContentTypeReaderManager::targetTypeToReader, newTypeReader);
 			ContentTypeReaderManager::RollbackAddReader(ContentTypeReaderManager::readerTypeToReader, newTypeReader);
 		}
-	}
-
-	void ContentTypeReaderManager::RollbackAddReader(std::map<String, sptr<ContentTypeReader>>& dictionary, sptr<ContentTypeReader>& reader) {
-		std::map<String, sptr<ContentTypeReader>>::iterator it;
-
-		for (it = dictionary.begin(); it != dictionary.end(); it++) {
-			if (it->second == reader) {
-				dictionary.erase(it->first);
-				it = dictionary.begin();
-			}
-		}
-	}
+	}	
 
 	void ContentTypeReaderManager::initMaps()
 	{
@@ -125,8 +134,10 @@ namespace xna {
 			auto typeReader = New<ObjectReader>();
 			auto contentTypeReader = reinterpret_pointer_cast<ContentTypeReader>(typeReader);
 
-			targetTypeToReader.insert({ typeReader->TargetType(), contentTypeReader});
-			readerTypeToReader.insert({ typeReader->GetType(), contentTypeReader});
+			//targetTypeToReader.insert({ typeReader->TargetType(), contentTypeReader});
+			//readerTypeToReader.insert({ typeReader->GetType(), contentTypeReader});
+			targetTypeToReader.insert({ typeof<Object>(), contentTypeReader});
+			readerTypeToReader.insert({ typeof<ObjectReader>(), contentTypeReader});
 		}
 	}
 
diff --git a/framework/content/typereadermanager.hpp b/framework/content/typereadermanager.hpp
index 3e92bdc..784df69 100644
--- a/framework/content/typereadermanager.hpp
+++ b/framework/content/typereadermanager.hpp
@@ -1,56 +1,100 @@
 #ifndef XNA_CONTENT_TYPEREADER_HPP
 #define XNA_CONTENT_TYPEREADER_HPP
 
+#include "../csharp/type.hpp"
 #include "../default.hpp"
-#include <map>
 #include <algorithm>
+#include <map>
 
 namespace xna {
-	//ContentTypeReader
-	class ContentTypeReader {
+	//-------------------------------------------------------//
+	// 					 ContentTypeReader					 //
+	//-------------------------------------------------------//
+	class ContentTypeReader : public Object {
+	public:
+		ContentTypeReader(){}
+
 	public:
 		virtual Int TypeVersion() { return 0; }
-		virtual bool CanDeserializeIntoExistingObject() { return 0; }
+		virtual bool CanDeserializeIntoExistingObject() { return false; }
 		virtual void Initialize(sptr<ContentTypeReaderManager>& manager) {}
 		
-		constexpr String TargetType() { return _targetType; }
+		sptr<Type> TargetType() { return _targetType; }		
 
-		virtual String GetType() { return "ContentTypeReader"; }
+		virtual sptr<Type> GetType() const override {
+			auto type = New<Type>();
+			type->FullName = "xna::ContentTypeReader";
+			type->Namespace = "xna";
+			type->IsClass = true;
+			return type;
+		}
 
 	protected:
-		ContentTypeReader(String targetType) : _targetType(targetType) {
+		ContentTypeReader(sptr<Type> const& targetType) : _targetType(targetType) 
+		{
 		}
 
 		virtual sptr<void> Read(ContentReader input, sptr<void> existingInstance) = 0;
 
+	public:
+		bool TargetIsValueType{ false };
+
 	private:
-		String _targetType = "contentTypeReader";
+		sptr<Type> _targetType = nullptr;
 	};
 
-	//ContentTypeReaderActivador
+	//-------------------------------------------------------//
+	// 						TypeComparator					 //
+	//-------------------------------------------------------//
+	struct TypeComparator
+	{
+		bool operator()(sptr<Type> t1, sptr<Type> t2) const
+		{
+			return t1->GetHashCode() < t2->GetHashCode();
+		}		
+	};
+
+	//-------------------------------------------------------//
+	// 				ContentTypeReaderActivador				 //
+	//-------------------------------------------------------//
 	class ContentTypeReaderActivador {
 	public:
 		using Activador = sptr<ContentTypeReader>(*)();
 
-		static sptr<ContentTypeReader> CreateInstance(String const& readerTypeName) {
-			if (!activators.contains(readerTypeName))
+		static sptr<ContentTypeReader> CreateInstance(sptr<Type> const& type, xna_error_nullarg) {
+			if (!type)
+			{
+				xna_error_apply(err, XnaErrorCode::ARGUMENT_IS_NULL);
+				return nullptr;
+			}
+
+			const auto hash = type->GetHashCode();
+
+			if (!activators.contains(hash))
 				return nullptr;
 
-			auto activador = activators[readerTypeName];
+			auto activador = activators[hash];
 
 			if (!activador) return nullptr;
 
 			return activador();
 		}
 
-		static void SetActivador(String const& readerTypeName, Activador activador) {
-			if (!activators.contains(readerTypeName))
-				activators.insert({ readerTypeName, activador });
+		static void SetActivador(sptr<Type> const& type, Activador activador, xna_error_nullarg) {
+			if (!type) {
+				xna_error_apply(err, XnaErrorCode::ARGUMENT_IS_NULL);
+				return;
+			}
+
+			const auto hash = type->GetHashCode();
+
+			if (!activators.contains(hash))
+				activators.insert({ hash, activador });
 		}
 
 	private:
-		inline static std::map<String, Activador> activators =
-			std::map<String, Activador>();
+		//inline static auto activators = std::map<size_t, Activador, TypeComparator>();
+		inline static auto activators = std::map<size_t, Activador>();
 
 		ContentTypeReaderActivador();
 		ContentTypeReaderActivador(ContentTypeReaderActivador&&);
@@ -58,55 +102,87 @@ namespace xna {
 	};
 
 	using PContentTypeReader = sptr<ContentTypeReader>;
+	using PType = sptr<Type>;
 
-	//ContentTypeReaderManager
+	//-------------------------------------------------------//
+	// 				ContentTypeReaderManager				 //
+	//-------------------------------------------------------//
 	class ContentTypeReaderManager {
 	public:
 		static std::vector<PContentTypeReader> ReadTypeManifest(Int typeCount, sptr<ContentReader>& contentReader, xna_error_nullarg);
-		static sptr<ContentTypeReader> GetTypeReader(String const& targetType, sptr<ContentReader>& contentReader, xna_error_nullarg);
+		static sptr<ContentTypeReader> GetTypeReader(sptr<Type> const& targetType, sptr<ContentReader>& contentReader, xna_error_nullarg);
 		
-		inline sptr<ContentTypeReader> GetTypeReader(String const& targetType, xna_error_nullarg) {
+		inline sptr<ContentTypeReader> GetTypeReader(sptr<Type> const& targetType, xna_error_nullarg) {
 			return ContentTypeReaderManager::GetTypeReader(targetType, this->contentReader, err);
 		}
 
-		inline static bool ContainsTypeReader(String const& targetType) {
+		inline static bool ContainsTypeReader(sptr<Type> const& targetType) {
 			return ContentTypeReaderManager::targetTypeToReader.contains(targetType);
 		}
 
 	private:
 		ContentTypeReaderManager(sptr<ContentReader>& contentReader);
 		static sptr<ContentTypeReader> GetTypeReader(String const& readerTypeName, sptr<ContentReader>& contentReader, std::vector<PContentTypeReader>& newTypeReaders, xna_error_nullarg);
-		static bool InstantiateTypeReader(String const& readerTypeName, sptr<ContentReader>& contentReader, sptr<ContentTypeReader>& reader);
+		static bool InstantiateTypeReader(String const& readerTypeName, sptr<ContentReader>& contentReader, sptr<ContentTypeReader>& reader, xna_error_nullarg);
 		static void AddTypeReader(String const& readerTypeName, sptr<ContentReader>& contentReader, sptr<ContentTypeReader>& reader, xna_error_nullarg);
-		static void RollbackAddReaders(std::vector<sptr<ContentTypeReader>>& newTypeReaders);
-		static void RollbackAddReader(std::map<String, sptr<ContentTypeReader>>& dictionary, sptr<ContentTypeReader>& reader);
+		static void RollbackAddReaders(std::vector<sptr<ContentTypeReader>>& newTypeReaders);		
+		
+		static void RollbackAddReader(std::map<String, PContentTypeReader>& dictionary, sptr<ContentTypeReader>& reader) {
+			std::map<String, sptr<ContentTypeReader>>::iterator it;
+
+			for (it = dictionary.begin(); it != dictionary.end(); it++) {
+				if (it->second == reader) {
+					dictionary.erase(it->first);
+					it = dictionary.begin();
+				}
+			}
+		}
+		
+		static void RollbackAddReader(std::map<PType, PContentTypeReader>& dictionary, sptr<ContentTypeReader>& reader) {
+			std::map<PType, sptr<ContentTypeReader>>::iterator it;
+
+			for (it = dictionary.begin(); it != dictionary.end(); it++) {
+				if (it->second == reader) {
+					dictionary.erase(it->first);
+					it = dictionary.begin();
+				}
+			}
+		}
 		
 
 	private:
 		sptr<ContentReader> contentReader = nullptr;
 
-		inline static std::map<String, PContentTypeReader> nameToReader = std::map<String, PContentTypeReader>();
-		inline static std::map<String, PContentTypeReader> targetTypeToReader = std::map<String, PContentTypeReader>();
-		inline static std::map<String, PContentTypeReader> readerTypeToReader = std::map<String, PContentTypeReader>();
+		inline static auto nameToReader = std::map<String, PContentTypeReader>();
+		//inline static auto targetTypeToReader = std::map<PType, PContentTypeReader, TypeComparator>();
+		//inline static auto readerTypeToReader = std::map<PType, PContentTypeReader, TypeComparator>();
+		inline static auto targetTypeToReader = std::map<PType, PContentTypeReader>();
+		inline static auto readerTypeToReader = std::map<PType, PContentTypeReader>();
 		
 		static void initMaps();
 	};
 
-	//ObjectReader
+	//-------------------------------------------------------//
+	//	 					ObjectReader					 //
+	//-------------------------------------------------------//
 	class ObjectReader : public ContentTypeReader {
 	public:
-		ObjectReader() : ContentTypeReader("object"){
-			ContentTypeReaderActivador::SetActivador("object", []() -> sptr<ContentTypeReader> {
+		ObjectReader() : ContentTypeReader(typeof(this)){
+			ContentTypeReaderActivador::SetActivador(typeof(this), []() -> sptr<ContentTypeReader> {
 				auto obj = New <ObjectReader>();
 				return reinterpret_pointer_cast<ContentTypeReader>(obj);
 				});
 		}
 
 		// Inherited via ContentTypeReader
-		sptr<void> Read(ContentReader input, sptr<void> existingInstance) override;
+		sptr<void> Read(ContentReader input, sptr<void> existingInstance) override;		
 
-		String GetType() override {
-			return "ObjectReader";
+		sptr<Type> GetType() const override{
+			auto type = New<Type>();
+			type->FullName = "xna::ObjectReader";
+			type->Namespace = "xna";
+			type->IsClass = true;
+			return type;
 		}
 	};
 }
diff --git a/framework/csharp/binary.hpp b/framework/csharp/binary.hpp
index b06249c..9721817 100644
--- a/framework/csharp/binary.hpp
+++ b/framework/csharp/binary.hpp
@@ -43,6 +43,7 @@ namespace xna {
 
 		bool m2BytesPerChar{ false };
 
+	protected:
 		Int InternalReadOneChar(xna_error_nullarg);
 
 		void FillBuffer(Int numBytes, xna_error_nullarg);
diff --git a/framework/csharp/object.cpp b/framework/csharp/object.cpp
index 067c9ce..374dd51 100644
--- a/framework/csharp/object.cpp
+++ b/framework/csharp/object.cpp
@@ -2,12 +2,20 @@
 #include "type.hpp"
 
 namespace xna {
-	sptr<Type> Object::GetType()
+	sptr<Type> Object::GetType() const
 	{
 		auto type = New<Type>();
-		type->FullName = "Object";
+		type->FullName = "xna::Object";
 		type->Namespace = "xna";
 		type->IsClass = true;
 		return type;
 	}
+
+	size_t Object::GetHashCode() const
+	{
+		size_t seed = 0;
+		XnaHHashCombine(seed, this);
+
+		return seed;
+	}
 }
\ No newline at end of file
diff --git a/framework/csharp/object.hpp b/framework/csharp/object.hpp
index a83503c..9d30039 100644
--- a/framework/csharp/object.hpp
+++ b/framework/csharp/object.hpp
@@ -6,7 +6,8 @@
 namespace xna {
 	class Object {
 	public:
-		virtual sptr<Type> GetType();
+		virtual sptr<Type> GetType() const;
+		virtual size_t GetHashCode() const;
 	};
 }
 
diff --git a/framework/csharp/type.cpp b/framework/csharp/type.cpp
new file mode 100644
index 0000000..1f01559
--- /dev/null
+++ b/framework/csharp/type.cpp
@@ -0,0 +1,28 @@
+#include "type.hpp"
+
+namespace xna {
+	sptr<Type> Type::GetType() const
+	{
+		auto type = New<Type>();
+		type->FullName = "xna::Type";
+		type->Namespace = "xna";
+		type->IsClass = true;
+		return type;
+	}
+
+	size_t Type::GetHashCode() const
+	{
+		size_t seed = 0;
+		XnaHHashCombine(seed, Namespace);
+		XnaHHashCombine(seed, FullName);
+		XnaHHashCombine(seed, IsInterface);
+		XnaHHashCombine(seed, IsArray);
+		XnaHHashCombine(seed, IsPointer);
+		XnaHHashCombine(seed, IsClass);
+		XnaHHashCombine(seed, IsCOMObject);
+		XnaHHashCombine(seed, IsEnum);
+		XnaHHashCombine(seed, IsValueType);
+
+		return seed;
+	}
+}
\ No newline at end of file
diff --git a/framework/csharp/type.hpp b/framework/csharp/type.hpp
index 3fba755..c75043e 100644
--- a/framework/csharp/type.hpp
+++ b/framework/csharp/type.hpp
@@ -5,7 +5,7 @@
 #include "object.hpp"
 
 namespace xna {
-	class Type {
+	class Type : public Object {
 	public:
 		String Namespace;
 		String FullName;
@@ -16,13 +16,43 @@ namespace xna {
 		bool IsCOMObject{ false };
 		bool IsEnum{ false };
 		bool IsValueType{ false };
-	};
+
+		constexpr bool operator==(const Type& other) const
+		{
+			return Namespace == other.Namespace 
+				&& FullName == other.FullName 
+				&& IsInterface == other.IsInterface 
+				&& IsArray == other.IsArray 
+				&& IsPointer == other.IsPointer 
+				&& IsClass == other.IsClass 
+				&& IsCOMObject == other.IsCOMObject 
+				&& IsEnum == other.IsEnum 
+				&& IsValueType == other.IsValueType;
+		}
+
+		virtual sptr<Type> GetType() const override;
+		virtual size_t GetHashCode() const;
+
+		bool operator()(Type const& t1, Type const& t2) const {
+			return t1.GetHashCode() < t2.GetHashCode();
+		}
+	};	
 
 	template <class T>
-	inline sptr<Type> typeof(T const& obj) {
-		auto obj = reinterpret_cast<Object*>(&obj);
+	inline sptr<Type> typeof() {
+		auto t = New<T>();
+		auto obj = reinterpret_pointer_cast<Object>(t);
 
-		if (!obj) 
+		if (!obj) return nullptr;
+		
+		return  obj->GetType();
+	}
+
+	template <class T>
+	inline sptr<Type> typeof(T const* object) {
+		auto obj = reinterpret_cast<const Object*>(object);
+
+		if (!obj)
 			return nullptr;
 
 		return obj->GetType();
diff --git a/framework/helpers.hpp b/framework/helpers.hpp
index aba54eb..afc396c 100644
--- a/framework/helpers.hpp
+++ b/framework/helpers.hpp
@@ -2,6 +2,7 @@
 #define XNA_HELPERS_HPP
 
 #include <string>
+#include <utility>
 
 namespace xna {
 	inline std::wstring XnaHToWString(const std::string& str)
@@ -21,6 +22,12 @@ namespace xna {
 		wcstombs_s(&size, &str[0], str.size() + 1, wstr.c_str(), wstr.size());
 		return str;
 	}
+
+	template <class T>
+	static constexpr void XnaHHashCombine(std::size_t& seed, const T& v) {
+		std::hash<T> hasher;
+		seed ^= hasher(v) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
+	}
 }
 
 #endif
\ No newline at end of file
diff --git a/framework/xnaerror.hpp b/framework/xnaerror.hpp
index 44b69d2..a89e32c 100644
--- a/framework/xnaerror.hpp
+++ b/framework/xnaerror.hpp
@@ -23,7 +23,7 @@ namespace xna {
 	}
 
 	inline bool xna_error_haserros(XnaErrorCode* source) {
-		return source != nullptr;
+		return source != nullptr && *source != XnaErrorCode::NONE;
 	}
 
 #define xna_error_nullarg	XnaErrorCode* err = nullptr