zadanie C++ CLR

#pragma once
#include <stdlib.h>
#include <math.h>
#include <cmath>

namespace CppCLRWinformsProjekt {

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

    public ref class Form1 : public System::Windows::Forms::Form
    {
    public:
        Form1(void)
        {
            InitializeComponent();
        }
        int low = 0;
        int high = 0;
        int x;
        int value;
    private: System::Windows::Forms::Button^ button3;
    public:


    protected:

        ~Form1()
        {
            if (components)
            {
                delete components;
            }
        }
    private: System::Windows::Forms::TextBox^ textBox1;
    protected:
    private: System::Windows::Forms::TextBox^ textBox2;
    private: System::Windows::Forms::Label^ label1;
    private: System::Windows::Forms::Button^ button1;
    private: System::Windows::Forms::Label^ label2;
    private: System::Windows::Forms::TextBox^ textBox3;
    private: System::Windows::Forms::Button^ button2;
    private: System::Windows::Forms::Label^ label3;
    private: System::Windows::Forms::Label^ label4;

    protected:

    private:

        System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code

        void InitializeComponent(void)
        {
            this->textBox1 = (gcnew System::Windows::Forms::TextBox());
            this->textBox2 = (gcnew System::Windows::Forms::TextBox());
            this->label1 = (gcnew System::Windows::Forms::Label());
            this->button1 = (gcnew System::Windows::Forms::Button());
            this->label2 = (gcnew System::Windows::Forms::Label());
            this->textBox3 = (gcnew System::Windows::Forms::TextBox());
            this->button2 = (gcnew System::Windows::Forms::Button());
            this->label3 = (gcnew System::Windows::Forms::Label());
            this->label4 = (gcnew System::Windows::Forms::Label());
            this->button3 = (gcnew System::Windows::Forms::Button());
            this->SuspendLayout();
            //
            // textBox1
            //
            this->textBox1->Location = System::Drawing::Point(20, 63);
            this->textBox1->Margin = System::Windows::Forms::Padding(4, 5, 4, 5);
            this->textBox1->Name = L"textBox1";
            this->textBox1->Size = System::Drawing::Size(67, 26);
            this->textBox1->TabIndex = 0;
            this->textBox1->TextChanged += gcnew System::EventHandler(this, &Form1::textBox1_TextChanged);
            //
            // textBox2
            //
            this->textBox2->Location = System::Drawing::Point(98, 63);
            this->textBox2->Margin = System::Windows::Forms::Padding(4, 5, 4, 5);
            this->textBox2->Name = L"textBox2";
            this->textBox2->Size = System::Drawing::Size(64, 26);
            this->textBox2->TabIndex = 1;
            this->textBox2->TextChanged += gcnew System::EventHandler(this, &Form1::textBox2_TextChanged);
            //
            // label1
            //
            this->label1->AutoSize = true;
            this->label1->Location = System::Drawing::Point(20, 34);
            this->label1->Margin = System::Windows::Forms::Padding(4, 0, 4, 0);
            this->label1->Name = L"label1";
            this->label1->Size = System::Drawing::Size(174, 20);
            this->label1->TabIndex = 2;
            this->label1->Text = L"Podaj 2 liczby całkowite";
            //
            // button1
            //
            this->button1->Location = System::Drawing::Point(172, 63);
            this->button1->Margin = System::Windows::Forms::Padding(4, 5, 4, 5);
            this->button1->Name = L"button1";
            this->button1->Size = System::Drawing::Size(112, 35);
            this->button1->TabIndex = 3;
            this->button1->Text = L"Oblicz!";
            this->button1->UseVisualStyleBackColor = true;
            this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
            //
            // label2
            //
            this->label2->AutoSize = true;
            this->label2->Location = System::Drawing::Point(20, 162);
            this->label2->Margin = System::Windows::Forms::Padding(4, 0, 4, 0);
            this->label2->Name = L"label2";
            this->label2->Size = System::Drawing::Size(60, 20);
            this->label2->TabIndex = 4;
            this->label2->Text = L"Podaj x";
            //
            // textBox3
            //
            this->textBox3->Location = System::Drawing::Point(20, 186);
            this->textBox3->Margin = System::Windows::Forms::Padding(4, 5, 4, 5);
            this->textBox3->Name = L"textBox3";
            this->textBox3->Size = System::Drawing::Size(67, 26);
            this->textBox3->TabIndex = 5;
            this->textBox3->TextChanged += gcnew System::EventHandler(this, &Form1::textBox3_TextChanged);
            //
            // button2
            //
            this->button2->Location = System::Drawing::Point(111, 183);
            this->button2->Margin = System::Windows::Forms::Padding(4, 5, 4, 5);
            this->button2->Name = L"button2";
            this->button2->Size = System::Drawing::Size(112, 35);
            this->button2->TabIndex = 6;
            this->button2->Text = L"Oblicz!";
            this->button2->UseVisualStyleBackColor = true;
            this->button2->Click += gcnew System::EventHandler(this, &Form1::button2_Click);
            //
            // label3
            //
            this->label3->AutoSize = true;
            this->label3->Location = System::Drawing::Point(20, 112);
            this->label3->Margin = System::Windows::Forms::Padding(4, 0, 4, 0);
            this->label3->Name = L"label3";
            this->label3->Size = System::Drawing::Size(59, 20);
            this->label3->TabIndex = 7;
            this->label3->Text = L"Wynik: ";
            //
            // label4
            //
            this->label4->AutoSize = true;
            this->label4->Location = System::Drawing::Point(15, 243);
            this->label4->Margin = System::Windows::Forms::Padding(4, 0, 4, 0);
            this->label4->Name = L"label4";
            this->label4->Size = System::Drawing::Size(59, 20);
            this->label4->TabIndex = 8;
            this->label4->Text = L"Wynik: ";
            //
            // button3
            //
            this->button3->Location = System::Drawing::Point(292, 63);
            this->button3->Margin = System::Windows::Forms::Padding(4, 5, 4, 5);
            this->button3->Name = L"button3";
            this->button3->Size = System::Drawing::Size(112, 35);
            this->button3->TabIndex = 9;
            this->button3->Text = L"Wyczyść";
            this->button3->UseVisualStyleBackColor = true;
            this->button3->Click += gcnew System::EventHandler(this, &Form1::button3_Click);
            //
            // Form1
            //
            this->AutoScaleDimensions = System::Drawing::SizeF(9, 20);
            this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
            this->ClientSize = System::Drawing::Size(489, 374);
            this->Controls->Add(this->button3);
            this->Controls->Add(this->label4);
            this->Controls->Add(this->label3);
            this->Controls->Add(this->button2);
            this->Controls->Add(this->textBox3);
            this->Controls->Add(this->label2);
            this->Controls->Add(this->button1);
            this->Controls->Add(this->label1);
            this->Controls->Add(this->textBox2);
            this->Controls->Add(this->textBox1);
            this->Margin = System::Windows::Forms::Padding(4, 5, 4, 5);
            this->Name = L"Form1";
            this->Text = L"made by Zuzanna Prościak";
            this->ResumeLayout(false);
            this->PerformLayout();

        }
#pragma endregion
    private: System::Void label1_Click(System::Object^ sender, System::EventArgs^ e) {
    }
    private: System::Void textBox1_TextChanged(System::Object^ sender, System::EventArgs^ e) {
        low = System::Int32::Parse(textBox1->Text);
    }
    private: System::Void textBox2_TextChanged(System::Object^ sender, System::EventArgs^ e) {
        high = System::Int32::Parse(textBox2->Text);
    }


private: System::Void button2_Click(System::Object^ sender, System::EventArgs^ e) {
    if (x <= 0) {
        value = x / ((2 * x) + 1);
    }
    if (x > 0 || x <= 5) {
        value = ((2 * x) + 1) / (4 * x);
    }
    if (x > 5) {
        value = 5 * (pow(x, 4));
    }
    label4->Text = "Wynik: " + value;
}
    private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {
        for (int i = low; i <= high; i++) {
            label3->Text += " " + i;
    }

}
private: System::Void button3_Click(System::Object^ sender, System::EventArgs^ e) {
    label3->Text = "Wynik: ";
}
private: System::Void textBox3_TextChanged(System::Object^ sender, System::EventArgs^ e) {
    x = System::Int32::Parse(textBox3->Text);

}
};
}