Steema Central

Code: Select all

private: System::Void Form1_Load(System::Object *  sender, System::EventArgs *  e)
{
	line1->FillSampleValues();
}

private: System::Void button1_Click(System::Object *  sender, System::EventArgs *  e)
{
	line1->Delete(2);
}

Code: Select all

#pragma once
using namespace System; 
using namespace System::ComponentModel; 
using namespace System::Collections; 
using namespace System::Windows::Forms; 
using namespace System::Data; 
using namespace System::Drawing; 
 



namespace WindowsApplication3
{
	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 __gc class Form1 : public System::Windows::Forms::Form
	{	
	public:
		Form1(void)
		{
			InitializeComponent();
			this->timer1->Enabled = true; 
			this->timer1->Interval = 100; 

		}
  
	protected:
		void Dispose(Boolean disposing)
		{
			if (disposing && components)
			{
				components->Dispose();
			}
			__super::Dispose(disposing);
		}
	private: Steema::TeeChart::TChart *  tChart1;
	private: Steema::TeeChart::Styles::Line *  line1;
	private: System::Windows::Forms::Button *  button1;
	private: System::Windows::Forms::Timer *  timer1;
	private: System::ComponentModel::IContainer *  components;

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


		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		void InitializeComponent(void)
		{
			this->components = new System::ComponentModel::Container();
			this->tChart1 = new Steema::TeeChart::TChart();
			this->line1 = new Steema::TeeChart::Styles::Line();
			this->button1 = new System::Windows::Forms::Button();
			this->timer1 = new System::Windows::Forms::Timer(this->components);
			this->SuspendLayout();
			// 
			// tChart1
			// 
			// 
			// tChart1.Header
			// 
			System::String* __mcTemp__1[] = new System::String*[1];
			__mcTemp__1[0] = S"TeeChart";
			this->tChart1->Header->Lines = __mcTemp__1;
			this->tChart1->Location = System::Drawing::Point(32, 24);
			this->tChart1->Name = S"tChart1";
			this->tChart1->Series->Add(this->line1);
			this->tChart1->TabIndex = 0;
			// 
			// line1
			// 
			// 
			// line1.Brush
			// 
			this->line1->Brush->Color = System::Drawing::Color::Red;
			// 
			// line1.Pointer
			// 
			// 
			// line1.Pointer.Brush
			// 
			this->line1->Pointer->Brush->Color = System::Drawing::Color::Red;
			this->line1->Pointer->Style = Steema::TeeChart::Styles::PointerStyles::Rectangle;
			this->line1->Title = S"line1";
			// 
			// line1.XValues
			// 
			this->line1->XValues->Order = Steema::TeeChart::Styles::ValueListOrder::Ascending;
			// 
			// button1
			// 
			this->button1->Location = System::Drawing::Point(448, 272);
			this->button1->Name = S"button1";
			this->button1->TabIndex = 1;
			this->button1->Text = S"button1";
			this->button1->Click += new System::EventHandler(this, button1_Click);
			// 
			// timer1
			// 
			this->timer1->Tick += new System::EventHandler(this, timer1_Tick);
			// 
			// Form1
			// 
			this->AutoScaleBaseSize = System::Drawing::Size(5, 13);
			this->ClientSize = System::Drawing::Size(544, 310);
			this->Controls->Add(this->button1);
			this->Controls->Add(this->tChart1);
			this->Name = S"Form1";
			this->Text = S"Form1";
			this->Load += new System::EventHandler(this, Form1_Load);
			this->ResumeLayout(false);

		}	
	private: System::Void Form1_Load(System::Object *  sender, System::EventArgs *  e)
			 {
				 
			 }

	private: System::Void button1_Click(System::Object *  sender, System::EventArgs *  e)
			 {
				 line1->Delete(2);
			 }

	private: System::Void timer1_Tick(System::Object *  sender, System::EventArgs *  e)
			 {
				this->refresh(); 
			 }

   private: void refresh() 
			{ 
			while (this->line1->Count>10) 
				{ 
				//the error always occurs at this line: 
				this->line1->Delete(0); 
				}
				System::DateTime now = System::DateTime::Now; 
				this->line1->Add(now,30); 

			} 


};
}