Ошибка C2059: "private"

#pragma once
 
 
namespace prog {
 
    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::Button^  button1;
    protected: 
    private: System::Windows::Forms::PictureBox^  pictureBox1;
    private: System::Windows::Forms::TextBox^  textBox1;
    private: System::Windows::Forms::TextBox^  textBox2;
    private: System::Windows::Forms::TextBox^  textBox3;
 
    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->pictureBox1 = (gcnew System::Windows::Forms::PictureBox());
            this->textBox1 = (gcnew System::Windows::Forms::TextBox());
            this->textBox2 = (gcnew System::Windows::Forms::TextBox());
            this->textBox3 = (gcnew System::Windows::Forms::TextBox());
            (cli::safe_cast<System::ComponentModel::ISupportInitialize^  >(this->pictureBox1))->BeginInit();
            this->SuspendLayout();
            // 
            // button1
            // 
            this->button1->Location = System::Drawing::Point(47, 22);
            this->button1->Name = L"button1";
            this->button1->Size = System::Drawing::Size(75, 23);
            this->button1->TabIndex = 0;
            this->button1->Text = L"button1";
            this->button1->UseVisualStyleBackColor = true;
            // 
            // pictureBox1
            // 
            this->pictureBox1->Location = System::Drawing::Point(750, 12);
            this->pictureBox1->Name = L"pictureBox1";
            this->pictureBox1->Size = System::Drawing::Size(313, 274);
            this->pictureBox1->TabIndex = 1;
            this->pictureBox1->TabStop = false;
            // 
            // textBox1
            // 
            this->textBox1->Location = System::Drawing::Point(47, 64);
            this->textBox1->Name = L"textBox1";
            this->textBox1->Size = System::Drawing::Size(100, 20);
            this->textBox1->TabIndex = 2;
            this->textBox1->TextChanged += gcnew System::EventHandler(this, &Form1::textBox1_TextChanged);
            // 
            // textBox2
            // 
            this->textBox2->Location = System::Drawing::Point(47, 90);
            this->textBox2->Name = L"textBox2";
            this->textBox2->Size = System::Drawing::Size(100, 20);
            this->textBox2->TabIndex = 3;
            // 
            // textBox3
            // 
            this->textBox3->Location = System::Drawing::Point(47, 116);
            this->textBox3->Name = L"textBox3";
            this->textBox3->Size = System::Drawing::Size(100, 20);
            this->textBox3->TabIndex = 4;
            // 
            // Form1
            // 
            this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
            this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
            this->ClientSize = System::Drawing::Size(1075, 364);
            this->Controls->Add(this->textBox3);
            this->Controls->Add(this->textBox2);
            this->Controls->Add(this->textBox1);
            this->Controls->Add(this->pictureBox1);
            this->Controls->Add(this->button1);
            this->Name = L"Form1";
            this->Text = L"Form1";
            (cli::safe_cast<System::ComponentModel::ISupportInitialize^  >(this->pictureBox1))->EndInit();
            this->ResumeLayout(false);
            this->PerformLayout();
 
        }
        int x1,y1,x2,y2,a,b,dg,
#pragma endregion
           private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
                 a = gcnew array<float>(dg->RowCount);
             b = gcnew array<float>(dg->RowCount);
 
 
             Graphics^ gr=pictureBox1->CreateGraphics();
             Pen^ p=gcnew Pen(pictureBox1->BackColor);
             SolidBrush^ sb=gcnew SolidBrush(pictureBox1->BackColor);
           gr->FillRectangle(sb,0,0,pictureBox1->Width,pictureBox1->Height);
             
 
           
 
a[0]=Convert::ToDouble(dg->Rows[0]->Cells[0]->Value)+pictureBox1->Width/2;
b[0]=Convert::ToDouble(dg->Rows[0]->Cells[1]->Value)+pictureBox1->Height/2;
 
 
             for(int i=0;i<dg->RowCount-1;i++) 
             {
x1=Convert::ToDouble(dg->Rows[i]->Cells[0]->Value);
y1=Convert::ToDouble(dg->Rows[i]->Cells[1]->Value);
x2=Convert::ToDouble(dg->Rows[i+1]->Cells[0]->Value);
y2=Convert::ToDouble(dg->Rows[i+1]->Cells[1]->Value);
x1=x1+pictureBox1->Width/2;
y1=y1+pictureBox1->Height/2;
x2=x2+pictureBox1->Width/2;
y2=y2+pictureBox1->Height/2;
 
 
gr->DrawLine(Pens::Black,x1,y1,x2,y2);
a[i+1]=x2;
b[i+1]=y2;
                //gr->DrawLine(Pens::Black,Convert::ToDouble(dg->Rows[i]->Cells[0]->Value),Convert::ToDouble(dg->Rows[i]->Cells[1]->Value),Convert::ToDouble(dg->Rows[i+1]->Cells[0]->Value),Convert::ToDouble(dg->Rows[i+1]->Cells[1]->Value));
                 //gr->DrawLine(Pens::Black,Convert::ToInt32(dg->Rows[i]->Cells[0]->Value),Convert::ToInt32(dg->Rows[i]->Cells[1]->Value),Convert::ToInt32(dg->Rows[i+1]->Cells[0]->Value),Convert::ToInt32(dg->Rows[i+1]->Cells[1]->Value));
             }
    };