double test_array_x [] = {0, 1, 2, 3...};
double test_array_y [] = {22, 33, 44, 55...};
int i; 
int arraylength = sizeof (test_array_x) / sizeof (double);

...

for (i = 0; i < arraylength; i++)
{
series1-> Points-> AddXY (test_array_x[i], test_array_y[i]);

// main.cpp : main project file.

#include "stdafx.h"
#include "Form1.h"

using namespace main;

	double test_array_x [] =  {0,1,2,3,4,5,6,7,8};
	double test_array_y [] =  {22.1,33.4,21.2,45.5,63.7,18.2,36.5,15.9,31.3};
	int pts;
	int arrlength = sizeof(test_array_x) / sizeof(double);

[STAThreadAttribute]
int main(array<System::String ^> ^args)
{
	// Enabling Windows XP visual effects before any controls are created
	Application::EnableVisualStyles();
	Application::SetCompatibleTextRenderingDefault(false); 

	// Create the main window and run it
	Application::Run(gcnew Form1());
	
	//Вот здесь пытаюсь отрисовать точки:
	//for (pts = 0; pts < arrlength; pts++)
	//{
	//Form1::Chart1->series1->Points->AddXY(test_array_x[pts], test_array_y[pts]);
	//}
}

//Form1.h
#pragma once
#include <windows.h> //for beep

namespace main {

	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
	/// </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::DataVisualization::Charting::Chart^  chart1;
	protected: 
	private: System::Windows::Forms::Timer^  timer1;

	private: 







	private: System::ComponentModel::IContainer^  components;


	protected: 

	private:
		/// <summary>
		/// Required designer variable.
		/// </summary>


#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->components = (gcnew System::ComponentModel::Container());
			System::Windows::Forms::DataVisualization::Charting::LineAnnotation^  lineAnnotation1 = (gcnew System::Windows::Forms::DataVisualization::Charting::LineAnnotation());
			System::Windows::Forms::DataVisualization::Charting::ChartArea^  chartArea1 = (gcnew System::Windows::Forms::DataVisualization::Charting::ChartArea());
			System::Windows::Forms::DataVisualization::Charting::Legend^  legend1 = (gcnew System::Windows::Forms::DataVisualization::Charting::Legend());
			
			this->chart1 = (gcnew System::Windows::Forms::DataVisualization::Charting::Chart());

			this->timer1 = (gcnew System::Windows::Forms::Timer(this->components));
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^  >(this->chart1))->BeginInit();

			this->SuspendLayout();
			// 
			// chart1
			// 
			this->chart1->Anchor = static_cast<System::Windows::Forms::AnchorStyles>((System::Windows::Forms::AnchorStyles::Bottom | System::Windows::Forms::AnchorStyles::Left));
			lineAnnotation1->Name = L"LineAnnotation1";
			this->chart1->Annotations->Add(lineAnnotation1);
			this->chart1->BackColor = System::Drawing::Color::Silver;
			this->chart1->BackSecondaryColor = System::Drawing::Color::Gainsboro;
			this->chart1->BorderlineColor = System::Drawing::Color::Transparent;
			chartArea1->BackColor = System::Drawing::Color::Silver;
			chartArea1->BackSecondaryColor = System::Drawing::Color::FromArgb(static_cast<System::Int32>(static_cast<System::Byte>(64)), static_cast<System::Int32>(static_cast<System::Byte>(64)), 
				static_cast<System::Int32>(static_cast<System::Byte>(64)));
			chartArea1->Name = L"ChartArea1";
			this->chart1->ChartAreas->Add(chartArea1);
			this->chart1->Cursor = System::Windows::Forms::Cursors::Cross;
			legend1->Enabled = false;
			legend1->Name = L"Legend1";
			this->chart1->Legends->Add(legend1);
			this->chart1->Location = System::Drawing::Point(-2, 25);
			this->chart1->Name = L"chart1";
			this->chart1->Palette = System::Windows::Forms::DataVisualization::Charting::ChartColorPalette::SemiTransparent;
			series1->ChartArea = L"ChartArea1";
			series1->Legend = L"Legend1";
			series1->Name = L"Series1";
			this->chart1->Series->Add(series1);
			this->chart1->Size = System::Drawing::Size(404, 272);
			this->chart1->TabIndex = 2;
			this->chart1->Text = L"chart1";
			this->chart1->Click += gcnew System::EventHandler(this, &Form1::chart1_Click);

			// 
			// timer1
			// 
			this->timer1->Enabled = true;
			this->timer1->Interval = 500;
			this->timer1->Tick += gcnew System::EventHandler(this, &Form1::timer1_Tick);
			// 
			// Form1
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(1016, 573);

			this->Controls->Add(this->chart1);
			this->Name = L"Form1";
			this->Text = L"Form1";
			this->TopMost = true;
			this->WindowState = System::Windows::Forms::FormWindowState::Maximized;
			this->Load += gcnew System::EventHandler(this, &Form1::Form1_Load);
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^  >(this->chart1))->EndInit();

			this->ResumeLayout(false);

		}
#pragma endregion
	private: System::Void Form1_Load(System::Object^  sender, System::EventArgs^  e) {
			 }
	private: System::Void chart1_Click(System::Object^  sender, System::EventArgs^  e) {
			 }
			 
	private: System::Void timer1_Tick(System::Object^  sender, System::EventArgs^  e) {

			//Проверяем, работает ли таймер
			Beep(300,500);

		 }
};
}