High-speed Charting Control

// ChartDemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ChartDemo.h"
#include "ChartDemoDlg.h"

#include "SeriesPropDlg.h"

#include "ChartAxisLabel.h"
#include <math.h>

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

using namespace std;

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChartDemoDlg dialog

CChartDemoDlg::CChartDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CChartDemoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CChartDemoDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CChartDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CChartDemoDlg)
	DDX_Control(pDX, IDC_TITLE_EDIT, m_TitlesEdit);
	DDX_Control(pDX, IDC_SERIES_LIST, m_SeriesList);
	DDX_Control(pDX, IDC_AXISMINVAL_EDIT, m_AxisMinValEdit);
	DDX_Control(pDX, IDC_AXISMAXVAL_EDIT, m_AxisMaxValEdit);
	DDX_Control(pDX, IDC_LEGENDVIS_CHECK, m_LegendVisBtn);
	DDX_Control(pDX, IDC_BKGND_COLBTN, m_BackgndColSel);
	DDX_Control(pDX, IDC_CHARTCTRL, m_ChartCtrl);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CChartDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CChartDemoDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_ADDSERIES, OnAddseries)
	ON_BN_CLICKED(IDC_LEGENDVIS_CHECK, OnLegendVisible)
	ON_BN_CLICKED(IDC_BOTTOMAXIS_RADIO, OnBottomAxisRadio)
	ON_BN_CLICKED(IDC_LEFTAXIS_RADIO, OnLeftAxisRadio)
	ON_BN_CLICKED(IDC_RIGHTAXIS_RADIO, OnRightAxisRadio)
	ON_BN_CLICKED(IDC_TOPAXIS_RADIO, OnTopAxisRadio)
	ON_BN_CLICKED(IDC_AXISAUTOMATIC_CHECK, OnAxisAutomaticCheck)
	ON_BN_CLICKED(IDC_AXISGRIDVIS_CHECK, OnAxisGridVisCheck)
	ON_BN_CLICKED(IDC_AXISLOGARITHMIC_CHECK, OnAxisLogarithmicCheck)
	ON_BN_CLICKED(IDC_AXISVISIBLE_CHECK, OnAxisVisibleCheck)
	ON_MESSAGE(CPN_SELENDOK,    OnChangeBckCol)
	ON_EN_KILLFOCUS(IDC_AXISMAXVAL_EDIT, OnChangeAxisMax)
	ON_EN_KILLFOCUS(IDC_AXISMINVAL_EDIT, OnChangeAxisMin)
	ON_BN_CLICKED(IDC_AXISINVERTED_CHECK, OnAxisInvertedCheck)
	ON_EN_KILLFOCUS(IDC_AXISLABEL_EDIT, OnChangeAxisLabel)
	ON_BN_CLICKED(IDC_DELETESERIES, OnDeleteSeries)
	ON_EN_KILLFOCUS(IDC_TITLE_EDIT, OnChangeTitle)
	ON_BN_CLICKED(IDC_PAN_CHECK, OnPanCheck)
	ON_BN_CLICKED(IDC_ZOOM_CHECK, OnZoomCheck)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChartDemoDlg message handlers

BOOL CChartDemoDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	m_ChartCtrl.GetBottomAxis()->SetMinMax(0,100);
	m_ChartCtrl.GetLeftAxis()->SetMinMax(0,100);

	((CButton*)GetDlgItem(IDC_LEFTAXIS_RADIO))->SetCheck(1);
	((CButton*)GetDlgItem(IDC_PAN_CHECK))->SetCheck(1);
	((CButton*)GetDlgItem(IDC_ZOOM_CHECK))->SetCheck(1);

	OnLeftAxisRadio();

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CChartDemoDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CChartDemoDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CChartDemoDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}


void CChartDemoDlg::OnAddseries() 
{
	CSeriesPropDlg PropertiesDlg;
	if (PropertiesDlg.DoModal() == IDCANCEL)
		return;

	int Type = PropertiesDlg.m_iSeriesType;
	std::string Name = PropertiesDlg.m_strSeriesName;
	COLORREF Color = PropertiesDlg.m_SeriesColour;
	CChartSerie* pSeries = m_ChartCtrl.AddSerie(Type);

	pSeries->SetName(Name);
	pSeries->SetColor(Color);

	if (PropertiesDlg.m_iHorizAxis == 0)
		pSeries->SetHorizontalAxis(false);
	else
		pSeries->SetHorizontalAxis(true);
	if (PropertiesDlg.m_iVertAxis == 0)
		pSeries->SetVerticalAxis(false);
	else
		pSeries->SetVerticalAxis(true);

	int NumberPoints = PropertiesDlg.m_iPointsNumber;
	double* XValues = new double[NumberPoints];
	double* YValues = new double[NumberPoints];
	float Step = (PropertiesDlg.m_fMaxXValue - PropertiesDlg.m_fMinXValue)/(NumberPoints - 1);
	float XStart = PropertiesDlg.m_fMinXValue;
	switch (PropertiesDlg.m_iDataType)
	{
	case 0:
		{
			float Slope = PropertiesDlg.m_fLineSlope;
			float Offset = PropertiesDlg.m_fLineOffset;

			for (int i=0;i<NumberPoints;i++)
			{
				XValues[i] = XStart + i * Step;
				YValues[i] = XValues[i] * Slope + Offset;
			}
			pSeries->SetPoints(XValues,YValues,NumberPoints);

		}
		break;

	case 1:
		{
			float Amplitude = PropertiesDlg.m_fSineAmplitude;
			float Period = PropertiesDlg.m_fSinePeriod;

			for (int i=0;i<NumberPoints;i++)
			{
				XValues[i] = XStart + i * Step;
				YValues[i] = Amplitude * (float)sin( 2 * 3.141592 * XValues[i]/Period );
			}
			pSeries->SetPoints(XValues,YValues,NumberPoints);
		}
		break;

	case 2:
		{
			int Min = PropertiesDlg.m_iRandMinVal;
			int Max = PropertiesDlg.m_iRandMaxVal;
			srand((unsigned int)time(NULL));
			for (int i=0;i<NumberPoints;i++)
			{
				XValues[i] = XStart + i * Step;
				YValues[i] = Min + (rand()%(Max-Min));
			}
			pSeries->SetPoints(XValues,YValues,NumberPoints);
		}
		break;
	}
	
	delete[] XValues;
	delete[] YValues;
	m_ChartCtrl.RefreshCtrl();
	m_SeriesList.AddString(Name.c_str());
}

void CChartDemoDlg::OnLegendVisible() 
{
	if (m_LegendVisBtn.GetCheck() == 1)
		m_ChartCtrl.GetLegend()->SetVisible(true);
	else
		m_ChartCtrl.GetLegend()->SetVisible(false);
	m_ChartCtrl.RefreshCtrl();
}

void CChartDemoDlg::OnBottomAxisRadio() 
{
	CChartAxis* pAxis = m_ChartCtrl.GetBottomAxis();
	if (pAxis->IsVisible())
		((CButton*)GetDlgItem(IDC_AXISVISIBLE_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISVISIBLE_CHECK))->SetCheck(0);
	if (pAxis->IsLogarithmic())
		((CButton*)GetDlgItem(IDC_AXISLOGARITHMIC_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISLOGARITHMIC_CHECK))->SetCheck(0);
	if (pAxis->GetGrid()->IsVisible())
		((CButton*)GetDlgItem(IDC_AXISGRIDVIS_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISGRIDVIS_CHECK))->SetCheck(0);
	if (pAxis->IsAutomatic())
		((CButton*)GetDlgItem(IDC_AXISAUTOMATIC_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISAUTOMATIC_CHECK))->SetCheck(0);

	string AxisLabel = pAxis->GetLabel()->GetText();
	GetDlgItem(IDC_AXISLABEL_EDIT)->SetWindowText(AxisLabel.c_str());

	double Min=0, Max=0;
	char szBuff[255];
	pAxis->GetMinMax(Min,Max);
	sprintf(szBuff,"%.2f",Min);
	GetDlgItem(IDC_AXISMINVAL_EDIT)->SetWindowText(szBuff);
	sprintf(szBuff,"%.2f",Max);
	GetDlgItem(IDC_AXISMAXVAL_EDIT)->SetWindowText(szBuff);

}

void CChartDemoDlg::OnLeftAxisRadio() 
{
	CChartAxis* pAxis = m_ChartCtrl.GetLeftAxis();
	if (pAxis->IsVisible())
		((CButton*)GetDlgItem(IDC_AXISVISIBLE_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISVISIBLE_CHECK))->SetCheck(0);
	if (pAxis->IsLogarithmic())
		((CButton*)GetDlgItem(IDC_AXISLOGARITHMIC_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISLOGARITHMIC_CHECK))->SetCheck(0);
	if (pAxis->GetGrid()->IsVisible())
		((CButton*)GetDlgItem(IDC_AXISGRIDVIS_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISGRIDVIS_CHECK))->SetCheck(0);
	if (pAxis->IsAutomatic())
		((CButton*)GetDlgItem(IDC_AXISAUTOMATIC_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISAUTOMATIC_CHECK))->SetCheck(0);

	string AxisLabel = pAxis->GetLabel()->GetText();
	GetDlgItem(IDC_AXISLABEL_EDIT)->SetWindowText(AxisLabel.c_str());

	double Min=0, Max=0;
	char szBuff[255];
	pAxis->GetMinMax(Min,Max);
	sprintf(szBuff,"%.2f",Min);
	GetDlgItem(IDC_AXISMINVAL_EDIT)->SetWindowText(szBuff);
	sprintf(szBuff,"%.2f",Max);
	GetDlgItem(IDC_AXISMAXVAL_EDIT)->SetWindowText(szBuff);	
}

void CChartDemoDlg::OnRightAxisRadio() 
{
	CChartAxis* pAxis = m_ChartCtrl.GetRightAxis();
	if (pAxis->IsVisible())
		((CButton*)GetDlgItem(IDC_AXISVISIBLE_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISVISIBLE_CHECK))->SetCheck(0);
	if (pAxis->IsLogarithmic())
		((CButton*)GetDlgItem(IDC_AXISLOGARITHMIC_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISLOGARITHMIC_CHECK))->SetCheck(0);
	if (pAxis->GetGrid()->IsVisible())
		((CButton*)GetDlgItem(IDC_AXISGRIDVIS_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISGRIDVIS_CHECK))->SetCheck(0);
	if (pAxis->IsAutomatic())
		((CButton*)GetDlgItem(IDC_AXISAUTOMATIC_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISAUTOMATIC_CHECK))->SetCheck(0);

	string AxisLabel = pAxis->GetLabel()->GetText();
	GetDlgItem(IDC_AXISLABEL_EDIT)->SetWindowText(AxisLabel.c_str());

	double Min=0, Max=0;
	char szBuff[255];
	pAxis->GetMinMax(Min,Max);
	sprintf(szBuff,"%.2f",Min);
	GetDlgItem(IDC_AXISMINVAL_EDIT)->SetWindowText(szBuff);
	sprintf(szBuff,"%.2f",Max);
	GetDlgItem(IDC_AXISMAXVAL_EDIT)->SetWindowText(szBuff);	
}

void CChartDemoDlg::OnTopAxisRadio() 
{
	CChartAxis* pAxis = m_ChartCtrl.GetTopAxis();
	if (pAxis->IsVisible())
		((CButton*)GetDlgItem(IDC_AXISVISIBLE_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISVISIBLE_CHECK))->SetCheck(0);
	if (pAxis->IsLogarithmic())
		((CButton*)GetDlgItem(IDC_AXISLOGARITHMIC_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISLOGARITHMIC_CHECK))->SetCheck(0);
	if (pAxis->GetGrid()->IsVisible())
		((CButton*)GetDlgItem(IDC_AXISGRIDVIS_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISGRIDVIS_CHECK))->SetCheck(0);
	if (pAxis->IsAutomatic())
		((CButton*)GetDlgItem(IDC_AXISAUTOMATIC_CHECK))->SetCheck(1);
	else
		((CButton*)GetDlgItem(IDC_AXISAUTOMATIC_CHECK))->SetCheck(0);

	string AxisLabel = pAxis->GetLabel()->GetText();
	GetDlgItem(IDC_AXISLABEL_EDIT)->SetWindowText(AxisLabel.c_str());

	double Min=0, Max=0;
	char szBuff[255];
	pAxis->GetMinMax(Min,Max);
	sprintf(szBuff,"%.2f",Min);
	GetDlgItem(IDC_AXISMINVAL_EDIT)->SetWindowText(szBuff);
	sprintf(szBuff,"%.2f",Max);
	GetDlgItem(IDC_AXISMAXVAL_EDIT)->SetWindowText(szBuff);	
}

void CChartDemoDlg::OnAxisAutomaticCheck() 
{
	CChartAxis* pAxis = GetSelectedAxis();
	if ( ((CButton*)GetDlgItem(IDC_AXISAUTOMATIC_CHECK))->GetCheck() == 1)
		pAxis->SetAutomatic(true);
	else
	{
		char szBuffer[255];
		double MinVal=0, MaxVal=0;
		m_AxisMinValEdit.GetWindowText(szBuffer,254);
		MinVal = atof(szBuffer);
		m_AxisMaxValEdit.GetWindowText(szBuffer,254);
		MaxVal = atof(szBuffer);

		if (MinVal > MaxVal)
		{
			MessageBox("MinVal > MaxVal","Error",MB_OK);
			((CButton*)GetDlgItem(IDC_AXISAUTOMATIC_CHECK))->SetCheck(1);
			return;
		}
		pAxis->SetAutomatic(false);
		pAxis->SetMinMax(MinVal,MaxVal);
	}
	m_ChartCtrl.RefreshCtrl();
}

void CChartDemoDlg::OnAxisGridVisCheck() 
{
	CChartAxis* pAxis = GetSelectedAxis();
	if ( ((CButton*)GetDlgItem(IDC_AXISGRIDVIS_CHECK))->GetCheck() == 1)
		pAxis->GetGrid()->SetVisible(true);
	else
		pAxis->GetGrid()->SetVisible(false);
	m_ChartCtrl.RefreshCtrl();
}

void CChartDemoDlg::OnAxisLogarithmicCheck() 
{
	CChartAxis* pAxis = GetSelectedAxis();
	if ( ((CButton*)GetDlgItem(IDC_AXISLOGARITHMIC_CHECK))->GetCheck() == 1)
	{
		double Min=0,Max=0;
		pAxis->GetMinMax(Min,Max);
		if (Min <= 0)
		{
			MessageBox("Log axis impossible: null or negative values");
			((CButton*)GetDlgItem(IDC_AXISLOGARITHMIC_CHECK))->SetCheck(0);
			return;
		}

		pAxis->SetLogarithmic(true);
	}
	else
		pAxis->SetLogarithmic(false);
	m_ChartCtrl.RefreshCtrl();
}

void CChartDemoDlg::OnAxisVisibleCheck() 
{
	CChartAxis* pAxis = GetSelectedAxis();
	if ( ((CButton*)GetDlgItem(IDC_AXISVISIBLE_CHECK))->GetCheck() == 1)
		pAxis->SetVisible(true);
	else
		pAxis->SetVisible(false);	
	m_ChartCtrl.RefreshCtrl();
}

void CChartDemoDlg::OnAxisInvertedCheck() 
{
	CChartAxis* pAxis = GetSelectedAxis();
	if ( ((CButton*)GetDlgItem(IDC_AXISINVERTED_CHECK))->GetCheck() == 1)
		pAxis->SetInverted(true);
	else
		pAxis->SetInverted(false);	
	m_ChartCtrl.RefreshCtrl();	
}

CChartAxis* CChartDemoDlg::GetSelectedAxis()
{
	if ( ((CButton*)GetDlgItem(IDC_LEFTAXIS_RADIO))->GetCheck() == 1)
		return m_ChartCtrl.GetLeftAxis();
	if ( ((CButton*)GetDlgItem(IDC_BOTTOMAXIS_RADIO))->GetCheck() == 1)
		return m_ChartCtrl.GetBottomAxis();
	if ( ((CButton*)GetDlgItem(IDC_RIGHTAXIS_RADIO))->GetCheck() == 1)
		return m_ChartCtrl.GetRightAxis();
	if ( ((CButton*)GetDlgItem(IDC_TOPAXIS_RADIO))->GetCheck() == 1)
		return m_ChartCtrl.GetTopAxis();

	return NULL;
}

LONG CChartDemoDlg::OnChangeBckCol(UINT lParam, LONG wParam)
{
	COLORREF BackColor = m_BackgndColSel.GetColour();
	m_ChartCtrl.SetBackColor(BackColor);
	m_ChartCtrl.RefreshCtrl();
	return TRUE;
}

void CChartDemoDlg::OnChangeAxisMax() 
{
	CChartAxis* pAxis = GetSelectedAxis();
	char szBuffer[255];
	double MinVal=0, MaxVal=0;
	m_AxisMinValEdit.GetWindowText(szBuffer,254);
	MinVal = atof(szBuffer);
	m_AxisMaxValEdit.GetWindowText(szBuffer,254);
	MaxVal = atof(szBuffer);

	if (MinVal > MaxVal)
	{
		MessageBox("MinVal > MaxVal","Error",MB_OK);
		return;
	}
	pAxis->SetMinMax(MinVal,MaxVal);
	
	m_ChartCtrl.RefreshCtrl();
	
}

void CChartDemoDlg::OnChangeAxisMin() 
{
	CChartAxis* pAxis = GetSelectedAxis();
	char szBuffer[255];
	double MinVal=0, MaxVal=0;
	m_AxisMinValEdit.GetWindowText(szBuffer,254);
	MinVal = atof(szBuffer);
	m_AxisMaxValEdit.GetWindowText(szBuffer,254);
	MaxVal = atof(szBuffer);

	if (MinVal > MaxVal)
	{
		MessageBox("MinVal > MaxVal","Error",MB_OK);
		return;
	}
	pAxis->SetMinMax(MinVal,MaxVal);
	
	m_ChartCtrl.RefreshCtrl();	
}

void CChartDemoDlg::OnChangeAxisLabel() 
{
	CChartAxis* pAxis = GetSelectedAxis();
	char szBuffer[255];
	GetDlgItem(IDC_AXISLABEL_EDIT)->GetWindowText(szBuffer,254);
	pAxis->GetLabel()->SetText(szBuffer);
	m_ChartCtrl.RefreshCtrl();	
	
}

void CChartDemoDlg::OnDeleteSeries() 
{
	int Index = m_SeriesList.GetCurSel();
	if (Index == -1)
		return;

	m_ChartCtrl.RemoveSerie(Index);
	m_SeriesList.DeleteString(Index);
}

void CChartDemoDlg::OnChangeTitle() 
{
	int Count = m_TitlesEdit.GetLineCount();
	CChartTitle* pTitle = m_ChartCtrl.GetTitle();
	pTitle->RemoveAll();

	char szBuff[255];
	for (int i=0;i<Count;i++)
	{
		int Size = m_TitlesEdit.GetLine(i,szBuff);
		szBuff[Size] = '\0';
		pTitle->AddString(szBuff);
	}
		
	m_ChartCtrl.RefreshCtrl();	
}

void CChartDemoDlg::OnPanCheck() 
{
	if ( ((CButton*)GetDlgItem(IDC_PAN_CHECK))->GetCheck() == 1)
		m_ChartCtrl.SetPanEnabled(true);
	else
		m_ChartCtrl.SetPanEnabled(false);	
	
}

void CChartDemoDlg::OnZoomCheck() 
{
	if ( ((CButton*)GetDlgItem(IDC_ZOOM_CHECK))->GetCheck() == 1)
		m_ChartCtrl.SetZoomEnabled(true);
	else
		m_ChartCtrl.SetZoomEnabled(false);	
}