Unable to link opencv to windows form application

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i have linked opencv to console application but when i tried to link it to windows form application VS 2010 it gives me following errors

Error   1   error C2065: 'IplImage' : undeclared identifier c:\users\ayesha\documents\visual studio 2010\projects\abc\abc\Form1.h   130 1   abc
Error   2   error C3861: 'cvLoadImage': identifier not found    c:\users\ayesha\documents\visual studio 2010\projects\abc\abc\Form1.h   130 1   abc

#pragma once
#include "highgui.h"
#include <opencv2/imgproc/imgproc.hpp>  // Gaussian Blur
#include <opencv2/core/core.hpp>        // Basic OpenCV structures (cv::Mat, Scalar)
#include <opencv2/highgui/highgui.hpp>

namespace abc {

    using namespace System;
    using namespace System::ComponentModel;
    using namespace System::Collections;
    using namespace System::Windows::Forms;
    using namespace System::Data;
    using namespace System::Drawing;
    using namespace System::IO;


    /// <summary>
    /// Summary for Form1
    /// </summary>
    public ref class Form1 : public System::Windows::Forms::Form
    {
    public:
        Form1(void)
        {
            InitializeComponent();
            //
            //TODO: Add the constructor code here
            //
        }

        protected:
        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        ~Form1()
        {
            if (components)
            {
                delete components;
            }
        }
        private: System::Windows::Forms::Button^  button1;
    private: System::Windows::Forms::TextBox^  path;
    private: System::Windows::Forms::Button^  summary;
    protected: 


        private:
        /// <summary>
        /// Required designer variable.
        /// </summary>
        System::ComponentModel::Container ^components;

        #pragma region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        void InitializeComponent(void)
        {
            this->button1 = (gcnew System::Windows::Forms::Button());
            this->path = (gcnew System::Windows::Forms::TextBox());
            this->summary = (gcnew System::Windows::Forms::Button());
            this->SuspendLayout();
            // 
            // button1
            // 
            this->button1->Location = System::Drawing::Point(392, 68);
            this->button1->Name = L"button1";
            this->button1->Size = System::Drawing::Size(75, 23);
            this->button1->TabIndex = 0;
            this->button1->Text = L"browse";
            this->button1->UseVisualStyleBackColor = true;
            this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
            // 
            // path
            // 
            this->path->Location = System::Drawing::Point(23, 68);
            this->path->Name = L"path";
            this->path->Size = System::Drawing::Size(304, 20);
            this->path->TabIndex = 1;
            // 
            // summary
            // 
            this->summary->Location = System::Drawing::Point(153, 156);
            this->summary->Name = L"summary";
            this->summary->Size = System::Drawing::Size(159, 27);
            this->summary->TabIndex = 2;
            this->summary->Text = L"summaize video";
            this->summary->UseVisualStyleBackColor = true;
            this->summary->Click += gcnew System::EventHandler(this, &Form1::summary_Click);
            // 
            // Form1
            // 
            this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
            this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
            this->ClientSize = System::Drawing::Size(568, 262);
            this->Controls->Add(this->summary);
            this->Controls->Add(this->path);
            this->Controls->Add(this->button1);
            this->Name = L"Form1";
            this->Text = L"Form1";
            this->ResumeLayout(false);
            this->PerformLayout();

        }
#pragma endregion
    private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
        Stream^ myStream;
        OpenFileDialog^ openFileDialog1 = gcnew OpenFileDialog;

        openFileDialog1->InitialDirectory = "c:\\";
        openFileDialog1->Filter = "txt files (*.avi)|*.avi|All files (*.*)|*.*";
        openFileDialog1->FilterIndex = 2;
        openFileDialog1->RestoreDirectory = true;

        if ( openFileDialog1->ShowDialog() == System::Windows::Forms::DialogResult::OK )
        {
            if ( (myStream = openFileDialog1->OpenFile()) != nullptr )
            {
                path->Text = Convert::ToString(openFileDialog1->FileName);

                // Insert code to read the stream here.
                String ^ temp = "you have successfully browsed a video";
                System::Windows::Forms::MessageBox::Show(temp);

                myStream->Close();
            }
        }
    }
private: System::Void summary_Click(System::Object^  sender, System::EventArgs^  e) {
            // Set ...