Problème c++

voici le fichier Form1.h . je vois pas ou est le problème !!

//#pragma once
#include <windows.h>
#include <olectl.h>
#include <ole2.h>
#include <vcclr.h>
//#include <iostream>
#include <string>
using namespace std;
using namespace System::Runtime::InteropServices;

//using namespace std;
namespace GestXMP {

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

/// <summary>
/// Summary for Form1
///
/// WARNING: If you change the name of this class, you will need to change the
/// 'Resource File Name' property for the managed resource compiler tool
/// associated with all .resx files this class depends on. Otherwise,
/// the designers will not be able to interact properly with localized
/// resources associated with this form.
/// </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::PictureBox^ pBox;
protected:

protected:

protected:
// private:
// char* FileName;
// std::string SFileName;
private: System::Windows::Forms::Button^ Btn_Image;
protected:

private: System::Windows::Forms::Label^ label1;
private: System::Windows::Forms::Label^ label2;
private: System::Windows::Forms::TextBox^ TxtcheminOS;
private: System::Windows::Forms::TextBox^ TxtFileNameOS;
private: System::Windows::Forms::TextBox^ TxtTailleOS;
private: System::Windows::Forms::TextBox^ TxtDateCreationOS;





private: System::Windows::Forms::Label^ label3;
private: System::Windows::Forms::Label^ label4;
private: System::Windows::Forms::Label^ label5;
private: System::Windows::Forms::GroupBox^ groupBox1;
private: System::Windows::Forms::Label^ label6;
private: System::Windows::Forms::Label^ label7;
private: System::Windows::Forms::TextBox^ TxtCreatorXMP;

private: System::Windows::Forms::TextBox^ TxtTitleXMP;

private: System::Windows::Forms::Button^ Btn_modifier;
private: System::Windows::Forms::Button^ Btn_Afficher;
private: System::Windows::Forms::GroupBox^ groupBox2;
private: System::Windows::Forms::OpenFileDialog^ openFileDialog1;

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->pBox = (gcnew System::Windows::Forms::PictureBox());
this->Btn_Image = (gcnew System::Windows::Forms::Button());
this->label1 = (gcnew System::Windows::Forms::Label());
this->label2 = (gcnew System::Windows::Forms::Label());
this->TxtcheminOS = (gcnew System::Windows::Forms::TextBox());
this->TxtFileNameOS = (gcnew System::Windows::Forms::TextBox());
this->TxtTailleOS = (gcnew System::Windows::Forms::TextBox());
this->TxtDateCreationOS = (gcnew System::Windows::Forms::TextBox());
this->label3 = (gcnew System::Windows::Forms::Label());
this->label4 = (gcnew System::Windows::Forms::Label());
this->label5 = (gcnew System::Windows::Forms::Label());
this->groupBox1 = (gcnew System::Windows::Forms::GroupBox());
this->label6 = (gcnew System::Windows::Forms::Label());
this->label7 = (gcnew System::Windows::Forms::Label());
this->TxtCreatorXMP = (gcnew System::Windows::Forms::TextBox());
this->TxtTitleXMP = (gcnew System::Windows::Forms::TextBox());
this->Btn_modifier = (gcnew System::Windows::Forms::Button());
this->Btn_Afficher = (gcnew System::Windows::Forms::Button());
this->groupBox2 = (gcnew System::Windows::Forms::GroupBox());
this->openFileDialog1 = (gcnew System::Windows::Forms::OpenFileDialog());
(cli::safe_cast<System::ComponentModel::ISupportInitialize^ >(this->pBox))->BeginInit();
this->groupBox1->SuspendLayout();
this->groupBox2->SuspendLayout();
this->SuspendLayout();
//
// pBox
//
this->pBox->BorderStyle = System::Windows::Forms::BorderStyle::FixedSingle;
this->pBox->Location = System::Drawing::Point(349, 12);
this->pBox->Name = L"pBox";
this->pBox->Size = System::Drawing::Size(136, 148);
this->pBox->TabIndex = 0;
this->pBox->TabStop = false;
//
// Btn_Image
//
this->Btn_Image->Location = System::Drawing::Point(454, 163);
this->Btn_Image->Name = L"Btn_Image";
this->Btn_Image->Size = System::Drawing::Size(31, 20);
this->Btn_Image->TabIndex = 1;
this->Btn_Image->Text = L"...";
this->Btn_Image->UseVisualStyleBackColor = true;
this->Btn_Image->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
//
// label1
//
this->label1->AutoSize = true;
this->label1->Location = System::Drawing::Point(413, 168);
this->label1->Name = L"label1";
this->label1->Size = System::Drawing::Size(35, 13);
this->label1->TabIndex = 2;
this->label1->Text = L"Photo";
//
// label2
//
this->label2->AutoSize = true;
this->label2->Location = System::Drawing::Point(23, 23);
this->label2->Name = L"label2";
this->label2->Size = System::Drawing::Size(42, 13);
this->label2->TabIndex = 3;
this->label2->Text = L"Chemin";
//
// TxtcheminOS
//
this->TxtcheminOS->Location = System::Drawing::Point(83, 20);
this->TxtcheminOS->Name = L"TxtcheminOS";
this->TxtcheminOS->Size = System::Drawing::Size(256, 20);
this->TxtcheminOS->TabIndex = 4;
//
// TxtFileNameOS
//
this->TxtFileNameOS->Location = System::Drawing::Point(84, 46);
this->TxtFileNameOS->Name = L"TxtFileNameOS";
this->TxtFileNameOS->Size = System::Drawing::Size(256, 20);
this->TxtFileNameOS->TabIndex = 5;
//
// TxtTailleOS
//
this->TxtTailleOS->Location = System::Drawing::Point(84, 72);
this->TxtTailleOS->Name = L"TxtTailleOS";
this->TxtTailleOS->Size = System::Drawing::Size(256, 20);
this->TxtTailleOS->TabIndex = 6;
//
// TxtDateCreationOS
//
this->TxtDateCreationOS->Location = System::Drawing::Point(84, 98);
this->TxtDateCreationOS->Name = L"TxtDateCreationOS";
this->TxtDateCreationOS->Size = System::Drawing::Size(256, 20);
this->TxtDateCreationOS->TabIndex = 7;
//
// label3
//
this->label3->AutoSize = true;
this->label3->Location = System::Drawing::Point(23, 49);
this->label3->Name = L"label3";
this->label3->Size = System::Drawing::Size(28, 13);
this->label3->TabIndex = 8;
this->label3->Text = L"Titre";
//
// label4
//
this->label4->AutoSize = true;
this->label4->Location = System::Drawing::Point(23, 79);
this->label4->Name = L"label4";
this->label4->Size = System::Drawing::Size(32, 13);
this->label4->TabIndex = 9;
this->label4->Text = L"Taille";
//
// label5
//
this->label5->AutoSize = true;
this->label5->Location = System::Drawing::Point(7, 105);
this->label5->Name = L"label5";
this->label5->Size = System::Drawing::Size(71, 13);
this->label5->TabIndex = 10;
this->label5->Text = L"Date création";
//
// groupBox1
//
this->groupBox1->Controls->Add(this->label6);
this->groupBox1->Controls->Add(this->label7);
this->groupBox1->Controls->Add(this->TxtCreatorXMP);
this->groupBox1->Controls->Add(this->TxtTitleXMP);
this->groupBox1->Controls->Add(this->Btn_modifier);
this->groupBox1->Controls->Add(this->Btn_Afficher);
this->groupBox1->Location = System::Drawing::Point(9, 168);
this->groupBox1->Name = L"groupBox1";
this->groupBox1->Size = System::Drawing::Size(333, 113);
this->groupBox1->TabIndex = 11;
this->groupBox1->TabStop = false;
this->groupBox1->Text = L"XMP Attributs";
//
// label6
//
this->label6->AutoSize = true;
this->label6->Location = System::Drawing::Point(10, 52);
this->label6->Name = L"label6";
this->label6->Size = System::Drawing::Size(41, 13);
this->label6->TabIndex = 17;
this->label6->Text = L"Creator";
//
// label7
//
this->label7->AutoSize = true;
this->label7->Location = System::Drawing::Point(10, 22);
this->label7->Name = L"label7";
this->label7->Size = System::Drawing::Size(28, 13);
this->label7->TabIndex = 16;
this->label7->Text = L"Titre";
//
// TxtCreatorXMP
//
this->TxtCreatorXMP->Location = System::Drawing::Point(71, 45);
this->TxtCreatorXMP->Name = L"TxtCreatorXMP";
this->TxtCreatorXMP->Size = System::Drawing::Size(256, 20);
this->TxtCreatorXMP->TabIndex = 15;
//
// TxtTitleXMP
//
this->TxtTitleXMP->Location = System::Drawing::Point(71, 19);
this->TxtTitleXMP->Name = L"TxtTitleXMP";
this->TxtTitleXMP->Size = System::Drawing::Size(256, 20);
this->TxtTitleXMP->TabIndex = 14;
//
// Btn_modifier
//
this->Btn_modifier->Location = System::Drawing::Point(112, 74);
this->Btn_modifier->Name = L"Btn_modifier";
this->Btn_modifier->Size = System::Drawing::Size(71, 33);
this->Btn_modifier->TabIndex = 13;
this->Btn_modifier->Text = L"&modifier";
this->Btn_modifier->UseVisualStyleBackColor = true;
//
// Btn_Afficher
//
this->Btn_Afficher->Location = System::Drawing::Point(20, 74);
this->Btn_Afficher->Name = L"Btn_Afficher";
this->Btn_Afficher->Size = System::Drawing::Size(71, 33);
this->Btn_Afficher->TabIndex = 12;
this->Btn_Afficher->Text = L"&Afficher";
this->Btn_Afficher->UseVisualStyleBackColor = true;
//
// groupBox2
//
this->groupBox2->Controls->Add(this->label5);
this->groupBox2->Controls->Add(this->label4);
this->groupBox2->Controls->Add(this->label3);
this->groupBox2->Controls->Add(this->TxtDateCreationOS);
this->groupBox2->Controls->Add(this->TxtTailleOS);
this->groupBox2->Controls->Add(this->TxtFileNameOS);
this->groupBox2->Controls->Add(this->TxtcheminOS);
this->groupBox2->Controls->Add(this->label2);
this->groupBox2->Location = System::Drawing::Point(3, 16);
this->groupBox2->Name = L"groupBox2";
this->groupBox2->Size = System::Drawing::Size(346, 134);
this->groupBox2->TabIndex = 12;
this->groupBox2->TabStop = false;
this->groupBox2->Text = L"OS Attributs";
//
// openFileDialog1
//
this->openFileDialog1->FileName = L"openFileDialog1";
//
// Form1
//
this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
this->ClientSize = System::Drawing::Size(509, 307);
this->Controls->Add(this->groupBox2);
this->Controls->Add(this->groupBox1);
this->Controls->Add(this->label1);
this->Controls->Add(this->Btn_Image);
this->Controls->Add(this->pBox);
this->Name = L"Form1";
this->Text = L"Form1";
this->Load += gcnew System::EventHandler(this, &Form1::Form1_Load);
(cli::safe_cast<System::ComponentModel::ISupportInitialize^ >(this->pBox))->EndInit();
this->groupBox1->ResumeLayout(false);
this->groupBox1->PerformLayout();
this->groupBox2->ResumeLayout(false);
this->groupBox2->PerformLayout();
this->ResumeLayout(false);
this->PerformLayout();

}
#pragma endregion

private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e)
{
this->openFileDialog1->ShowDialog();


/* if (this->openFileDialog1->FileName != "")
{
return;
}
*/

this->TxtcheminOS->Text =openFileDialog1->FileName;
this->TxtFileNameOS ->Text =openFileDialog1->Title ;
//this->SFileName.ccopy( openFileDialog1->FileName);
char* path = (char*)(void*)Marshal::StringToHGlobalAnsi(this->TxtcheminOS->Text);
char* FileName = (char*)(void*)Marshal::StringToHGlobalAnsi(this->TxtcheminOS->Text);

this->pBox ->Load (this->TxtcheminOS->Text);
this->pBox ->SizeMode =System::Windows ::Forms ::PictureBoxSizeMode ::StretchImage ;


}

private: System::Void Form1_Load(System::Object^ sender, System::EventArgs^ e) {
}
};
}

Regarde ici: https://www.microsoft.com/en-us/download/details.aspx?id=55984