Compiling,,, no go

[MisT.]

Hello everyone.. i am learning C++ and so far i was able to partially make a calculator,, but i have no idea why i cant compile it, and how to fix the errors,, can anyone help me please?? I am using visual basic express

#pragma once



namespace My3434545 {

	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 My123
	/// </summary>
	public ref class My123 : public System::Windows::Forms::Form
	{
	public:
		My123(void)
		{
			InitializeComponent();
			//
			//TODO: Add the constructor code here
			//
		}

	protected:
		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		~My123()
		{
			if (components)
			{
				delete components;
			}
		}
	private: System::Windows::Forms::Panel^  panel1;
	private: System::Windows::Forms::Button^  button1;
	private: System::Windows::Forms::Button^  button4;
	private: System::Windows::Forms::Button^  button3;
	private: System::Windows::Forms::Button^  button2;
	private: System::Windows::Forms::TextBox^  textBox1;
	private: System::Windows::Forms::TextBox^  textBox2;
	private: System::Windows::Forms::TextBox^  textBox3;
	private: System::Windows::Forms::TextBox^  textBox4;
	private: System::Windows::Forms::TextBox^  textBox5;
	private: System::Windows::Forms::TextBox^  textBox6;


	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)
		{
			System::ComponentModel::ComponentResourceManager^  resources = (gcnew System::ComponentModel::ComponentResourceManager(My123::typeid));
			this->panel1 = (gcnew System::Windows::Forms::Panel());
			this->button4 = (gcnew System::Windows::Forms::Button());
			this->button3 = (gcnew System::Windows::Forms::Button());
			this->button2 = (gcnew System::Windows::Forms::Button());
			this->button1 = (gcnew System::Windows::Forms::Button());
			this->textBox1 = (gcnew System::Windows::Forms::TextBox());
			this->textBox2 = (gcnew System::Windows::Forms::TextBox());
			this->textBox3 = (gcnew System::Windows::Forms::TextBox());
			this->textBox4 = (gcnew System::Windows::Forms::TextBox());
			this->textBox5 = (gcnew System::Windows::Forms::TextBox());
			this->textBox6 = (gcnew System::Windows::Forms::TextBox());
			this->panel1->SuspendLayout();
			this->SuspendLayout();
			// 
			// panel1
			// 
			this->panel1->BackColor = System::Drawing::Color::Transparent;
			this->panel1->BorderStyle = System::Windows::Forms::BorderStyle::Fixed3D;
			this->panel1->Controls->Add(this->button4);
			this->panel1->Controls->Add(this->button3);
			this->panel1->Controls->Add(this->button2);
			this->panel1->Controls->Add(this->button1);
			this->panel1->Cursor = System::Windows::Forms::Cursors::Arrow;
			this->panel1->Location = System::Drawing::Point(40, 48);
			this->panel1->Name = L"panel1";
			this->panel1->Size = System::Drawing::Size(568, 56);
			this->panel1->TabIndex = 0;
			this->panel1->Paint += gcnew System::Windows::Forms::PaintEventHandler(this, &My123::panel1_Paint);
			// 
			// button4
			// 
			this->button4->BackColor = System::Drawing::Color::DarkRed;
			this->button4->Font = (gcnew System::Drawing::Font(L"Segoe UI", 12, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point, 
				static_cast<System::Byte>(0)));
			this->button4->ForeColor = System::Drawing::SystemColors::HighlightText;
			this->button4->Location = System::Drawing::Point(468, 3);
			this->button4->Name = L"button4";
			this->button4->Size = System::Drawing::Size(94, 46);
			this->button4->TabIndex = 3;
			this->button4->Text = L"Minus";
			this->button4->UseVisualStyleBackColor = false;
			// 
			// button3
			// 
			this->button3->BackColor = System::Drawing::Color::DarkRed;
			this->button3->Font = (gcnew System::Drawing::Font(L"Segoe UI", 12, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point, 
				static_cast<System::Byte>(0)));
			this->button3->ForeColor = System::Drawing::SystemColors::HighlightText;
			this->button3->Location = System::Drawing::Point(303, 3);
			this->button3->Name = L"button3";
			this->button3->Size = System::Drawing::Size(94, 46);
			this->button3->TabIndex = 2;
			this->button3->Text = L"Devide";
			this->button3->UseVisualStyleBackColor = false;
			this->button3->Click += gcnew System::EventHandler(this, &My123::button3_Click);
			// 
			// button2
			// 
			this->button2->BackColor = System::Drawing::Color::DarkRed;
			this->button2->Font = (gcnew System::Drawing::Font(L"Segoe UI", 12, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point, 
				static_cast<System::Byte>(0)));
			this->button2->ForeColor = System::Drawing::SystemColors::HighlightText;
			this->button2->Location = System::Drawing::Point(152, 3);
			this->button2->Name = L"button2";
			this->button2->Size = System::Drawing::Size(94, 46);
			this->button2->TabIndex = 1;
			this->button2->Text = L"Sum";
			this->button2->UseVisualStyleBackColor = false;
			this->button2->Click += gcnew System::EventHandler(this, &My123::button2_Click);
			// 
			// button1
			// 
			this->button1->BackColor = System::Drawing::Color::DarkRed;
			this->button1->Font = (gcnew System::Drawing::Font(L"Segoe UI", 12, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point, 
				static_cast<System::Byte>(0)));
			this->button1->ForeColor = System::Drawing::SystemColors::HighlightText;
			this->button1->Location = System::Drawing::Point(3, 3);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(94, 46);
			this->button1->TabIndex = 0;
			this->button1->Text = L"Multiply";
			this->button1->UseVisualStyleBackColor = false;
			this->button1->Click += gcnew System::EventHandler(this, &My123::button1_Click);
			// 
			// textBox1
			// 
			this->textBox1->Location = System::Drawing::Point(284, 201);
			this->textBox1->Name = L"textBox1";
			this->textBox1->Size = System::Drawing::Size(324, 22);
			this->textBox1->TabIndex = 1;
			this->textBox1->TextChanged += gcnew System::EventHandler(this, &My123::textBox1_TextChanged);
			// 
			// textBox2
			// 
			this->textBox2->Location = System::Drawing::Point(284, 303);
			this->textBox2->Name = L"textBox2";
			this->textBox2->Size = System::Drawing::Size(324, 22);
			this->textBox2->TabIndex = 2;
			// 
			// textBox3
			// 
			this->textBox3->Font = (gcnew System::Drawing::Font(L"Segoe UI", 11.25F, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point, 
				static_cast<System::Byte>(0)));
			this->textBox3->Location = System::Drawing::Point(92, 195);
			this->textBox3->Name = L"textBox3";
			this->textBox3->ReadOnly = true;
			this->textBox3->Size = System::Drawing::Size(127, 27);
			this->textBox3->TabIndex = 3;
			this->textBox3->Text = L"First Number";
			this->textBox3->TextChanged += gcnew System::EventHandler(this, &My123::textBox3_TextChanged);
			// 
			// textBox4
			// 
			this->textBox4->Font = (gcnew System::Drawing::Font(L"Segoe UI", 11.25F, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point, 
				static_cast<System::Byte>(0)));
			this->textBox4->Location = System::Drawing::Point(92, 303);
			this->textBox4->Name = L"textBox4";
			this->textBox4->ReadOnly = true;
			this->textBox4->Size = System::Drawing::Size(127, 27);
			this->textBox4->TabIndex = 4;
			this->textBox4->Text = L"Second Number";
			// 
			// textBox5
			// 
			this->textBox5->Location = System::Drawing::Point(241, 449);
			this->textBox5->Name = L"textBox5";
			this->textBox5->Size = System::Drawing::Size(167, 22);
			this->textBox5->TabIndex = 5;
			// 
			// textBox6
			// 
			this->textBox6->Font = (gcnew System::Drawing::Font(L"Segoe UI", 11.25F, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point, 
				static_cast<System::Byte>(0)));
			this->textBox6->Location = System::Drawing::Point(261, 416);
			this->textBox6->Name = L"textBox6";
			this->textBox6->ReadOnly = true;
			this->textBox6->Size = System::Drawing::Size(127, 27);
			this->textBox6->TabIndex = 6;
			this->textBox6->Text = L"Result";
			this->textBox6->TextChanged += gcnew System::EventHandler(this, &My123::textBox6_TextChanged);
			// 
			// My123
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->BackColor = System::Drawing::SystemColors::AppWorkspace;
			this->BackgroundImage = (cli::safe_cast<System::Drawing::Image^  >(resources->GetObject(L"$this.BackgroundImage")));
			this->ClientSize = System::Drawing::Size(677, 538);
			this->Controls->Add(this->textBox6);
			this->Controls->Add(this->textBox5);
			this->Controls->Add(this->textBox4);
			this->Controls->Add(this->textBox3);
			this->Controls->Add(this->textBox2);
			this->Controls->Add(this->textBox1);
			this->Controls->Add(this->panel1);
			this->Cursor = System::Windows::Forms::Cursors::Hand;
			this->Font = (gcnew System::Drawing::Font(L"Segoe UI", 8.25F, System::Drawing::FontStyle::Regular, System::Drawing::GraphicsUnit::Point, 
				static_cast<System::Byte>(0)));
			this->ForeColor = System::Drawing::SystemColors::Info;
			this->FormBorderStyle = System::Windows::Forms::FormBorderStyle::Fixed3D;
			this->Name = L"My123";
			this->Text = L"Hadi\'s Caculator!!";
			this->panel1->ResumeLayout(false);
			this->ResumeLayout(false);
			this->PerformLayout();

		}
#pragma endregion
	private: System::Void panel1_Paint(System::Object^  sender, System::Windows::Forms::PaintEventArgs^  e) {
			 }
	private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) 
	{
    int quantity = 1;
    double unitPrice, subTotal;

	quantity  = int::Parse(textBox3->Text);
	unitPrice = double::Parse(textBox4->Text); 
	subTotal  = quantity * unitPrice;

	this->textBox6->Text = subTotal;
}
			 private: System::Void textBox1_TextChanged(System::Object^  sender, System::EventArgs^  e)


;
					private: System::Void button3_Click(System::Object^  sender, System::EventArgs^  e)
					  {
    int quantity = 1;
    double unitPrice, subTotal;

	quantity  = int::Parse(textBox3->Text);
	unitPrice = double::Parse(textBox4->Text); 
	subTotal  = quantity / unitPrice;

	this->textBox6->Text = subTotal.ToString(L"F";

	}


	private: System::Void button4_Click(System::Object^  sender, System::EventArgs^  e)
				 {
    int quantity = 1;
    double unitPrice, subTotal;

	quantity  = int::Parse(textBox3->Text);
	unitPrice = double::Parse(textBox4->Text); 
	subTotal  = quantity - unitPrice;

	this->textBox6->Text = subTotal.ToString(L"F";
}


	
private: System::Void linkLabel1_LinkClicked(System::Object^  sender, System::Windows::Forms::LinkLabelLinkClickedEventArgs^  e) {
		 }
private: System::Void richTextBox1_TextChanged(System::Object^  sender, System::EventArgs^  e) {
		 }
private: System::Void textBox3_TextChanged(System::Object^  sender, System::EventArgs^  e) {
		 }
private: System::Void textBox6_TextChanged(System::Object^  sender, System::EventArgs^  e) {
		 }
private: System::Void button2_Click(System::Object^  sender, System::EventArgs^  e) 
		{
    int quantity = 1;
    double unitPrice, subTotal;

	quantity  = int::Parse(textBox3->Text);
	unitPrice = double::Parse(textBox4->Text); 
	subTotal  = quantity + unitPrice;

	this->textBox6->Text = subTotal;
}
};
}