Выскакивает ошибка "вызвано срабатывание точка остановка"

#pragma once
#include <cmath>
 
namespace TestVisual {
 
    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>
    /// Сводка для MyForm
    /// </summary>
    public ref class MyForm : public System::Windows::Forms::Form
    {
    public:
        MyForm(void)
        {
            InitializeComponent();
            //
            //TODO: добавьте код конструктора
            //
        }
 
    protected:
        /// <summary>
        /// Освободить все используемые ресурсы.
        /// </summary>
        ~MyForm()
        {
            if (components)
            {
                delete components;
            }
        }
    private: System::Windows::Forms::Button^ button1;
    private: System::Windows::Forms::PictureBox^ table;
    private: System::Windows::Forms::TextBox^ textBox1;
 
 
    private: System::Windows::Forms::CheckBox^ Autoclear;
    private: System::Windows::Forms::ListBox^ Mode_out;
    private: System::Windows::Forms::GroupBox^ groupBox1;
 
    private: System::Windows::Forms::ListBox^ Mode_in;
 
    private: System::Windows::Forms::GroupBox^ groupBox2;
 
    private: System::Windows::Forms::Button^ button2;
    private: System::Windows::Forms::GroupBox^ groupBox4;
    private: System::Windows::Forms::GroupBox^ groupBox3;
    private: System::Windows::Forms::NumericUpDown^ Number1;
 
    private: System::Windows::Forms::GroupBox^ groupBox5;
    private: System::Windows::Forms::NumericUpDown^ Number2;
 
 
 
 
 
 
 
    protected:
 
    protected:
    protected:
 
    private:
        /// <summary>
        /// Обязательная переменная конструктора.
        /// </summary>
        System::ComponentModel::Container ^components;
 
#pragma region Windows Form Designer generated code
        /// <summary>
        /// Требуемый метод для поддержки конструктора — не изменяйте 
        /// содержимое этого метода с помощью редактора кода.
        /// </summary>
        void InitializeComponent(void)
        {
            this->button1 = (gcnew System::Windows::Forms::Button());
            this->table = (gcnew System::Windows::Forms::PictureBox());
            this->textBox1 = (gcnew System::Windows::Forms::TextBox());
            this->Autoclear = (gcnew System::Windows::Forms::CheckBox());
            this->Mode_out = (gcnew System::Windows::Forms::ListBox());
            this->groupBox1 = (gcnew System::Windows::Forms::GroupBox());
            this->groupBox2 = (gcnew System::Windows::Forms::GroupBox());
            this->groupBox4 = (gcnew System::Windows::Forms::GroupBox());
            this->Mode_in = (gcnew System::Windows::Forms::ListBox());
            this->groupBox3 = (gcnew System::Windows::Forms::GroupBox());
            this->button2 = (gcnew System::Windows::Forms::Button());
            this->Number1 = (gcnew System::Windows::Forms::NumericUpDown());
            this->groupBox5 = (gcnew System::Windows::Forms::GroupBox());
            this->Number2 = (gcnew System::Windows::Forms::NumericUpDown());
            (cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->table))->BeginInit();
            this->groupBox1->SuspendLayout();
            this->groupBox2->SuspendLayout();
            this->groupBox4->SuspendLayout();
            this->groupBox3->SuspendLayout();
            (cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->Number1))->BeginInit();
            this->groupBox5->SuspendLayout();
            (cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->Number2))->BeginInit();
            this->SuspendLayout();
            // 
            // button1
            // 
            this->button1->Location = System::Drawing::Point(441, 0);
            this->button1->Name = L"button1";
            this->button1->Size = System::Drawing::Size(363, 54);
            this->button1->TabIndex = 0;
            this->button1->Text = L"Draw";
            this->button1->UseVisualStyleBackColor = true;
            this->button1->Click += gcnew System::EventHandler(this, &MyForm::button1_Click);
            // 
            // table
            // 
            this->table->BackColor = System::Drawing::SystemColors::HighlightText;
            this->table->Location = System::Drawing::Point(300, 60);
            this->table->Name = L"table";
            this->table->Size = System::Drawing::Size(600, 600);
            this->table->TabIndex = 1;
            this->table->TabStop = false;
            // 
            // textBox1
            // 
            this->textBox1->Location = System::Drawing::Point(12, 12);
            this->textBox1->Multiline = true;
            this->textBox1->Name = L"textBox1";
            this->textBox1->Size = System::Drawing::Size(282, 648);
            this->textBox1->TabIndex = 2;
            // 
            // Autoclear
            // 
            this->Autoclear->AutoSize = true;
            this->Autoclear->Location = System::Drawing::Point(810, 0);
            this->Autoclear->Name = L"Autoclear";
            this->Autoclear->Size = System::Drawing::Size(90, 21);
            this->Autoclear->TabIndex = 5;
            this->Autoclear->Text = L"Autoclear";
            this->Autoclear->UseVisualStyleBackColor = true;
            // 
            // Mode_out
            // 
            this->Mode_out->FormattingEnabled = true;
            this->Mode_out->ItemHeight = 16;
            this->Mode_out->Items->AddRange(gcnew cli::array< System::Object^  >(2) { L"First", L"Second" });
            this->Mode_out->Location = System::Drawing::Point(6, 18);
            this->Mode_out->Name = L"Mode_out";
            this->Mode_out->Size = System::Drawing::Size(106, 52);
            this->Mode_out->TabIndex = 6;
            // 
            // groupBox1
            // 
            this->groupBox1->Controls->Add(this->groupBox2);
            this->groupBox1->Location = System::Drawing::Point(906, 0);
            this->groupBox1->Name = L"groupBox1";
            this->groupBox1->Size = System::Drawing::Size(271, 377);
            this->groupBox1->TabIndex = 7;
            this->groupBox1->TabStop = false;
            this->groupBox1->Text = L"Type of drawing";
            // 
            // groupBox2
            // 
            this->groupBox2->Controls->Add(this->groupBox4);
            this->groupBox2->Controls->Add(this->groupBox3);
            this->groupBox2->Location = System::Drawing::Point(9, 21);
            this->groupBox2->Name = L"groupBox2";
            this->groupBox2->Size = System::Drawing::Size(256, 111);
            this->groupBox2->TabIndex = 0;
            this->groupBox2->TabStop = false;
            this->groupBox2->Text = L"Modes";
            // 
            // groupBox4
            // 
            this->groupBox4->Controls->Add(this->Mode_in);
            this->groupBox4->Location = System::Drawing::Point(133, 21);
            this->groupBox4->Name = L"groupBox4";
            this->groupBox4->Size = System::Drawing::Size(123, 79);
            this->groupBox4->TabIndex = 10;
            this->groupBox4->TabStop = false;
            this->groupBox4->Text = L"Inside";
            // 
            // Mode_in
            // 
            this->Mode_in->FormattingEnabled = true;
            this->Mode_in->ItemHeight = 16;
            this->Mode_in->Items->AddRange(gcnew cli::array< System::Object^  >(2) { L"First", L"Second" });
            this->Mode_in->Location = System::Drawing::Point(6, 18);
            this->Mode_in->Name = L"Mode_in";
            this->Mode_in->Size = System::Drawing::Size(111, 52);
            this->Mode_in->TabIndex = 0;
            // 
            // groupBox3
            // 
            this->groupBox3->Controls->Add(this->Mode_out);
            this->groupBox3->Location = System::Drawing::Point(6, 21);
            this->groupBox3->Name = L"groupBox3";
            this->groupBox3->Size = System::Drawing::Size(118, 79);
            this->groupBox3->TabIndex = 9;
            this->groupBox3->TabStop = false;
            this->groupBox3->Text = L"Outside";
            // 
            // button2
            // 
            this->button2->Location = System::Drawing::Point(810, 21);
            this->button2->Name = L"button2";
            this->button2->Size = System::Drawing::Size(90, 33);
            this->button2->TabIndex = 8;
            this->button2->Text = L"Clear";
            this->button2->UseVisualStyleBackColor = true;
            this->button2->Click += gcnew System::EventHandler(this, &MyForm::button2_Click);
            // 
            // Number1
            // 
            this->Number1->Location = System::Drawing::Point(6, 21);
            this->Number1->Maximum = System::Decimal(gcnew cli::array< System::Int32 >(4) { 1000, 0, 0, 0 });
            this->Number1->Minimum = System::Decimal(gcnew cli::array< System::Int32 >(4) { 3, 0, 0, 0 });
            this->Number1->Name = L"Number1";
            this->Number1->Size = System::Drawing::Size(59, 22);
            this->Number1->TabIndex = 9;
            this->Number1->Value = System::Decimal(gcnew cli::array< System::Int32 >(4) { 3, 0, 0, 0 });
            // 
            // groupBox5
            // 
            this->groupBox5->Controls->Add(this->Number2);
            this->groupBox5->Controls->Add(this->Number1);
            this->groupBox5->Location = System::Drawing::Point(300, 0);
            this->groupBox5->Name = L"groupBox5";
            this->groupBox5->Size = System::Drawing::Size(135, 54);
            this->groupBox5->TabIndex = 10;
            this->groupBox5->TabStop = false;
            this->groupBox5->Text = L"Numbers";
            // 
            // Number2
            // 
            this->Number2->Location = System::Drawing::Point(72, 21);
            this->Number2->Maximum = System::Decimal(gcnew cli::array< System::Int32 >(4) { 1000, 0, 0, 0 });
            this->Number2->Minimum = System::Decimal(gcnew cli::array< System::Int32 >(4) { 3, 0, 0, 0 });
            this->Number2->Name = L"Number2";
            this->Number2->Size = System::Drawing::Size(63, 22);
            this->Number2->TabIndex = 10;
            this->Number2->Value = System::Decimal(gcnew cli::array< System::Int32 >(4) { 3, 0, 0, 0 });
            // 
            // MyForm
            // 
            this->ClientSize = System::Drawing::Size(1182, 673);
            this->Controls->Add(this->groupBox5);
            this->Controls->Add(this->button2);
            this->Controls->Add(this->groupBox1);
            this->Controls->Add(this->Autoclear);
            this->Controls->Add(this->textBox1);
            this->Controls->Add(this->table);
            this->Controls->Add(this->button1);
            this->MaximumSize = System::Drawing::Size(1200, 720);
            this->MinimumSize = System::Drawing::Size(1200, 720);
            this->Name = L"MyForm";
            (cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->table))->EndInit();
            this->groupBox1->ResumeLayout(false);
            this->groupBox2->ResumeLayout(false);
            this->groupBox4->ResumeLayout(false);
            this->groupBox3->ResumeLayout(false);
            (cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->Number1))->EndInit();
            this->groupBox5->ResumeLayout(false);
            (cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->Number2))->EndInit();
            this->ResumeLayout(false);
            this->PerformLayout();
 
        }
#pragma endregion
 
        int c = 300;
 
private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {
    this->textBox1->Text ="Started\r\n";
        if (Autoclear->Checked)
            this->table->Refresh();
        Graphics^ g = table->CreateGraphics();
        Pen^ p = gcnew Pen(Color::Red, 2.0f);
        Pen^ p1 = gcnew Pen(Color::Blue, 2.0f);
        Point ptc = Point(c, c);    //точка в середине области
        Point pt1 = Point(c-c, c-c);
        Point pt2 = Point(c+c, c-c);
        Point pt3 = Point(c-c, c+c);
        Point pt4 = Point(c+c, c+c);
 
 
        int j, n = Convert::ToInt32(this->Number1->Value), r = 2 * c / 3, x, y, mode_in;
        double radians;
        switch (this->Mode_out->SelectedIndex)
        {
        case 0:
            radians = 3.1415926535 / n;     
            break;
        case 1:
            radians = (32400 / n) / 3.1415926535;   
            break;
        default:
            radians = 3.1415926535 / n;
            this->textBox1->Text = "WARNING! Not selected mode. Autorun normal mode.\r\n";
            break;
        }
        int* arrx = new int[n];
        int* arry = new int[n];
 
        for (int i = 0; i < n; i++) {
            arrx[i] = c + r * cos(2*radians * i);
            arry[i] = c + r * sin(2*radians * i);
        }
 
        int k = n / 3;
        for (int i = 0; i < n; i++) {
            if (i + k >= n)
                j = i - n + k;
            else j = i + k;
 
            pt1 = Point(arrx[i], arry[i]);
            pt2 = Point(arrx[j], arry[j]);
            g->DrawLine(p, pt2, pt1);   
        }
 
 
        r /= 2;
        n = Convert::ToInt32(this->Number2->Value);
        switch (this->Mode_in->SelectedIndex)
        {
        case 0:
            radians = 3.1415926535 / n; 
            break;
        case 1:
            radians = (32400 / n) / 3.1415926535;   
            break;
        default:
            radians = 3.1415926535 / n;
            this->textBox1->Text = "WARNING! Not selected mode. Autorun normal mode.\r\n";
            break;
        }
        for (int i = 0; i < n; i++) {
            arrx[i] = c + r * cos(2 * radians * i);
            arry[i] = c + r * sin(2 * radians * i);
        }
 
        k = n / 3;
        for (int i = 0; i < n; i++) {
            if (i + k >= n)
                j = i - n + k;
            else j = i + k;
            pt3 = Point(arrx[i], arry[i]);
            pt4 = Point(arrx[j], arry[j]);
            g->DrawLine(p1, pt3, pt4);
        }
    }
    
private: System::Void button2_Click(System::Object^ sender, System::EventArgs^ e) {
    this->table->Refresh();
}
 
 
};
}