diff --git a/openalpr-net/openalpr-net.cpp b/openalpr-net/openalpr-net.cpp
index 58eddbb..3c6dc23 100644
--- a/openalpr-net/openalpr-net.cpp
+++ b/openalpr-net/openalpr-net.cpp
@@ -1,257 +1,290 @@
-/*
- * Copyright (c) 2015 Dr. Masroor Ehsan
- *
- * This file is part of OpenAlpr.Net.
- *
- * OpenAlpr.Net is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License
- * version 3 as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "stdafx.h"
-#include "openalpr-net.h"
-#include "alpr.h"
-#include <stdlib.h>
-#include <string.h>
-#include <windows.h>
-#using <mscorlib.dll>
-//#include <msclr\marshal.h>
-#include <msclr\marshal_cppstd.h>
-
-using namespace System;
-using namespace msclr::interop;
-using namespace System::Collections::Generic;
-using namespace System::Runtime::InteropServices;
-
-namespace openalprnet {
-
-	ref class StringConverter
-	{
-	public:
-		static std::vector<unsigned char> ToVector(array<unsigned char>^ src)
-		{
-			std::vector<unsigned char> result(src->Length);
-			pin_ptr<unsigned char> pin(&src[0]);
-			unsigned char *first(pin), *last(pin + src->Length);
-			std::copy(first, last, result.begin());
-			return result;
-		}
-
-		static System::String^ ToManagedString(std::string s)
-		{
-			return gcnew String(s.c_str());
-		}
-
-		static std::string ToStlString(System::String^ s)
-		{
-			IntPtr ptr = Marshal::StringToHGlobalAnsi(s);
-			if(ptr != IntPtr::Zero)
-			{
-				std::string tmp(reinterpret_cast<char*>(static_cast<void*>(ptr)));
-				Marshal::FreeHGlobal(ptr);
-				return tmp;
-			}
-			return std::string();
-		}
-	};
-
-	public ref class AlprPlateNet
-	{
-	public:
-		AlprPlateNet(AlprPlate plate){
-			//_characters = marshal_as<System::String^>(plate.characters);
-			m_characters = StringConverter::ToManagedString(plate.characters);
-			m_overall_confidence=plate.overall_confidence;
-			m_matches_template=plate.matches_template;
-		}
-
-		property System::String^ characters {
-			System::String^ get() {
-				return m_characters;
-			}
-		}
-
-		property float overall_confidence {
-			float get() {
-				return m_overall_confidence;
-			}
-		}
-
-		property bool matches_template {
-			bool get() {
-				return m_matches_template;
-			}
-		}
-
-	private:
-		System::String^ m_characters;
-		float m_overall_confidence;
-		bool m_matches_template;
-	};
-
-	public ref class AlprResultNet
-	{
-	public:
-		AlprResultNet() : m_Impl( new AlprResult ) {}
-
-		AlprResultNet(AlprResult* result) : m_Impl( result ) {}
-
-		property int requested_topn {
-			int get() {
-				return m_Impl->requested_topn;
-			}
-		}
-		
-		property int regionConfidence {
-			int get() {
-				return m_Impl->regionConfidence;
-			}
-		}
-		
-		property System::String^ region {
-			System::String^ get() {
-				return StringConverter::ToManagedString(m_Impl->region);
-			}
-		}
-
-		property int result_count {
-			int get() {
-				return m_Impl->result_count;
-			}
-		}
-
-		property AlprPlateNet^ bestPlate {
-			AlprPlateNet^ get() {
-				AlprPlateNet^ result = gcnew AlprPlateNet(m_Impl->bestPlate);
-				return result;
-			}
-		}
-
-		property List<AlprPlateNet^>^ topNPlates {
-			List<AlprPlateNet^>^ get() {
-				List<AlprPlateNet^>^ list = gcnew List<AlprPlateNet^>(m_Impl->topNPlates.size());
-				for (std::vector<AlprPlate>::iterator itr = m_Impl->topNPlates.begin(); itr != m_Impl->topNPlates.end(); itr++)
-				{
-					list->Add(gcnew AlprPlateNet(*itr));
-				}
-				return list;
-			}
-		}
-
-		property float processing_time_ms {
-			float get() {
-				return m_Impl->processing_time_ms;
-			}
-		}
-
-		/*
-		AlprCoordinate plate_points[4];
-		*/
-	private:
-		AlprResult * m_Impl;
-	};
-
-	public ref class AlprNet {
-	public:
-		// Allocate the native object on the C++ Heap via a constructor
-		AlprNet(System::String^ country, System::String^ configFile) : m_Impl( new Alpr(marshal_as<std::string>(country), marshal_as<std::string>(configFile)) ) { }
-
-		// Deallocate the native object on a destructor
-		~AlprNet(){
-			delete m_Impl;
-		}
-
-		property int TopN {
-			int get() {
-				return m_topN;
-			}
-			void set( int topn ){
-				m_topN = topn;
-				m_Impl->setTopN(topn);
-			}
-		}
-
-		property bool DetectRegion {
-			bool get() {
-				return m_detectRegion;
-			}
-			void set( bool detectRegion ) {
-				m_detectRegion = detectRegion;
-				m_Impl->setDetectRegion(detectRegion);
-			}
-		}
-
-		property System::String^ DefaultRegion {
-			System::String^ get() {
-				return m_defaultRegion;
-			}
-			void set( System::String^ region ){
-				m_defaultRegion = region;
-				m_Impl->setDefaultRegion(marshal_as<std::string>(region));
-			}
-		}
-
-		//std::vector<AlprResult> recognize(std::string filepath);
-		//std::vector<AlprResult> recognize(std::string filepath, std::vector<AlprRegionOfInterest> regionsOfInterest);
-		//std::vector<AlprResult> recognize(std::vector<unsigned char> imageBuffer);
-		//std::vector<AlprResult> recognize(std::vector<unsigned char> imageBuffer, std::vector<AlprRegionOfInterest> regionsOfInterest);
-		List<AlprResultNet^>^ recognize(System::String^ filepath) {
-			m_results = new std::vector<AlprResult>(m_Impl->recognize(marshal_as<std::string>(filepath)));
-			std::vector<AlprResult>& runList = *m_results;
-			std::vector<AlprResult>::iterator itr;
-			List<AlprResultNet^>^ list = gcnew List<AlprResultNet^>(runList.size());
-			for (itr = runList.begin(); itr != runList.end(); itr++)
-			{
-				list->Add(gcnew AlprResultNet(&*itr));
-			}
-			return list;
-		}
-
-		List<AlprResultNet^>^ recognize(cli::array<unsigned char>^ imageBuffer) {
-			std::vector<unsigned char> p = StringConverter::ToVector(imageBuffer);
-			m_results = new std::vector<AlprResult>(m_Impl->recognize(p));
-			std::vector<AlprResult>& runList = *m_results;
-			std::vector<AlprResult>::iterator itr;
-			List<AlprResultNet^>^ list = gcnew List<AlprResultNet^>(runList.size());
-			for (itr = runList.begin(); itr != runList.end(); itr++)
-			{
-				list->Add(gcnew AlprResultNet(&*itr));
-			}
-			return list;
-		}
-
-		bool isLoaded() {
-			return m_Impl->isLoaded();
-		}
-
-		static System::String^ getVersion() {
-			return StringConverter::ToManagedString(Alpr::getVersion());
-		}
-
-		System::String^ toJson() {
-			std::string json = m_Impl->toJson(*m_results, -1);
-			return StringConverter::ToManagedString(json);
-		}
-
-	protected:
-		// Deallocate the native object on the finalizer just in case no destructor is called
-		!AlprNet() {
-			delete m_Impl;
-		}
-
-	private:
-		Alpr * m_Impl;
-		std::vector<AlprResult>* m_results;
-		int m_topN;
-		bool m_detectRegion;
-		System::String^ m_defaultRegion;
-	};
+/*
+* Copyright (c) 2015 Dr. Masroor Ehsan
+*
+* This file is part of OpenAlpr.Net.
+*
+* OpenAlpr.Net is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Affero General Public License
+* version 3 as published by the Free Software Foundation
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU Affero General Public License for more details.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "stdafx.h"
+#include "openalpr-net.h"
+#include "alpr.h"
+#include <stdlib.h>
+#include <string.h>
+#include <windows.h>
+#using <mscorlib.dll>
+//#include <msclr\marshal.h>
+#include <msclr\marshal_cppstd.h>
+
+using namespace System;
+using namespace msclr::interop;
+using namespace System::Collections::Generic;
+using namespace System::Runtime::InteropServices;
+using namespace System::Drawing;
+
+namespace openalprnet {
+
+	private ref class AlprHelper sealed
+	{
+	public:
+		static std::vector<unsigned char> ToVector(array<unsigned char>^ src)
+		{
+			std::vector<unsigned char> result(src->Length);
+			pin_ptr<unsigned char> pin(&src[0]);
+			unsigned char *first(pin), *last(pin + src->Length);
+			std::copy(first, last, result.begin());
+			return result;
+		}
+
+		static std::vector<AlprRegionOfInterest> ToVector(List<System::Drawing::Rectangle>^ src)
+		{
+			std::vector<AlprRegionOfInterest> result;
+
+			for each(System::Drawing::Rectangle^ rect in src)
+			{
+				AlprRegionOfInterest roi;
+				roi.x = rect->X;
+				roi.y = rect->Y;
+				roi.height = rect->Height;
+				roi.width = rect->Width;
+				result.push_back(roi);
+			}
+
+			return result;
+		}
+
+		static System::String^ ToManagedString(std::string s)
+		{
+			return gcnew String(s.c_str());
+		}
+
+		static std::string ToStlString(System::String^ s)
+		{
+			IntPtr ptr = Marshal::StringToHGlobalAnsi(s);
+			if(ptr != IntPtr::Zero)
+			{
+				std::string tmp(reinterpret_cast<char*>(static_cast<void*>(ptr)));
+				Marshal::FreeHGlobal(ptr);
+				return tmp;
+			}
+			return std::string();
+		}
+	};
+
+	public ref class AlprPlateNet sealed
+	{
+	public:
+		AlprPlateNet(AlprPlate plate){
+			//_characters = marshal_as<System::String^>(plate.characters);
+			m_characters = AlprHelper::ToManagedString(plate.characters);
+			m_overall_confidence=plate.overall_confidence;
+			m_matches_template=plate.matches_template;
+		}
+
+		property System::String^ characters {
+			System::String^ get() {
+				return m_characters;
+			}
+		}
+
+		property float overall_confidence {
+			float get() {
+				return m_overall_confidence;
+			}
+		}
+
+		property bool matches_template {
+			bool get() {
+				return m_matches_template;
+			}
+		}
+
+	private:
+		System::String^ m_characters;
+		float m_overall_confidence;
+		bool m_matches_template;
+	};
+
+	public ref class AlprResultNet sealed
+	{
+	public:
+		AlprResultNet() : m_Impl( new AlprResult ) {}
+
+		AlprResultNet(AlprResult* result) : m_Impl( result ) {}
+
+		property int requested_topn {
+			int get() {
+				return m_Impl->requested_topn;
+			}
+		}
+
+		property int regionConfidence {
+			int get() {
+				return m_Impl->regionConfidence;
+			}
+		}
+
+		property System::String^ region {
+			System::String^ get() {
+				return AlprHelper::ToManagedString(m_Impl->region);
+			}
+		}
+
+		property int result_count {
+			int get() {
+				return m_Impl->result_count;
+			}
+		}
+
+		property AlprPlateNet^ bestPlate {
+			AlprPlateNet^ get() {
+				AlprPlateNet^ result = gcnew AlprPlateNet(m_Impl->bestPlate);
+				return result;
+			}
+		}
+
+		property List<System::Drawing::Point>^ plate_points {
+			List<System::Drawing::Point>^ get() {
+				List<System::Drawing::Point>^ list = gcnew List<System::Drawing::Point>(4);
+				for (int i = 0; i < 4; i++)
+				{
+					list->Add(System::Drawing::Point(m_Impl->plate_points[i].x, m_Impl->plate_points[i].y));
+				}
+				return list;
+			}
+		} 
+
+		property List<AlprPlateNet^>^ topNPlates {
+			List<AlprPlateNet^>^ get() {
+				List<AlprPlateNet^>^ list = gcnew List<AlprPlateNet^>(m_Impl->topNPlates.size());
+				for (std::vector<AlprPlate>::iterator itr = m_Impl->topNPlates.begin(); itr != m_Impl->topNPlates.end(); itr++)
+				{
+					list->Add(gcnew AlprPlateNet(*itr));
+				}
+				return list;
+			}
+		}
+
+		property float processing_time_ms {
+			float get() {
+				return m_Impl->processing_time_ms;
+			}
+		}
+
+	private:
+		AlprResult * m_Impl;
+	};
+
+	public ref class AlprNet sealed
+	{
+	public:
+		// Allocate the native object on the C++ Heap via a constructor
+		AlprNet(System::String^ country, System::String^ configFile) : m_Impl( new Alpr(marshal_as<std::string>(country), marshal_as<std::string>(configFile)) ) { }
+
+		// Deallocate the native object on a destructor
+		~AlprNet(){
+			delete m_Impl;
+		}
+
+		property int TopN {
+			int get() {
+				return m_topN;
+			}
+			void set( int topn ){
+				m_topN = topn;
+				m_Impl->setTopN(topn);
+			}
+		}
+
+		property bool DetectRegion {
+			bool get() {
+				return m_detectRegion;
+			}
+			void set( bool detectRegion ) {
+				m_detectRegion = detectRegion;
+				m_Impl->setDetectRegion(detectRegion);
+			}
+		}
+
+		property System::String^ DefaultRegion {
+			System::String^ get() {
+				return m_defaultRegion;
+			}
+			void set( System::String^ region ){
+				m_defaultRegion = region;
+				m_Impl->setDefaultRegion(marshal_as<std::string>(region));
+			}
+		}
+
+		List<AlprResultNet^>^ recognize(System::String^ filepath) {
+			m_results = new std::vector<AlprResult>(m_Impl->recognize(marshal_as<std::string>(filepath)));
+			return this->processResults();
+		}
+
+		List<AlprResultNet^>^ recognize(System::String^ filepath, List<System::Drawing::Rectangle>^ regionsOfInterest) {
+			std::vector<AlprRegionOfInterest> rois = AlprHelper::ToVector(regionsOfInterest);
+			m_results = new std::vector<AlprResult>(m_Impl->recognize(marshal_as<std::string>(filepath), rois));
+			return this->processResults();
+		}
+
+		List<AlprResultNet^>^ recognize(cli::array<unsigned char>^ imageBuffer) {
+			std::vector<unsigned char> p = AlprHelper::ToVector(imageBuffer);
+			m_results = new std::vector<AlprResult>(m_Impl->recognize(p));
+			return this->processResults();
+		}
+
+		List<AlprResultNet^>^ recognize(cli::array<unsigned char>^ imageBuffer, List<System::Drawing::Rectangle>^ regionsOfInterest) {
+			std::vector<AlprRegionOfInterest> rois = AlprHelper::ToVector(regionsOfInterest);
+			std::vector<unsigned char> p = AlprHelper::ToVector(imageBuffer);
+			m_results = new std::vector<AlprResult>(m_Impl->recognize(p, rois));
+			return this->processResults();
+		}
+
+		bool isLoaded() {
+			return m_Impl->isLoaded();
+		}
+
+		static System::String^ getVersion() {
+			return AlprHelper::ToManagedString(Alpr::getVersion());
+		}
+
+		System::String^ toJson() {
+			std::string json = m_Impl->toJson(*m_results, -1);
+			return AlprHelper::ToManagedString(json);
+		}
+
+	protected:
+		// Deallocate the native object on the finalizer just in case no destructor is called
+		!AlprNet() {
+			delete m_Impl;
+		}
+
+	private:
+		Alpr * m_Impl;
+		std::vector<AlprResult>* m_results;
+		int m_topN;
+		bool m_detectRegion;
+		System::String^ m_defaultRegion;
+
+		List<AlprResultNet^>^ processResults() {
+			std::vector<AlprResult>& runList = *m_results;
+			std::vector<AlprResult>::iterator itr;
+			List<AlprResultNet^>^ list = gcnew List<AlprResultNet^>(runList.size());
+			for (itr = runList.begin(); itr != runList.end(); itr++)
+			{
+				list->Add(gcnew AlprResultNet(&*itr));
+			}
+			return list;
+		}
+	};
 }
\ No newline at end of file