How to create chart in a worksheet in VB6

'===========================================================
' Tutorial 24
'
' This tutorial shows how to create an Excel file in VB6 and
' to create a chart in a worksheet.
'===========================================================
 
VERSION 5.00
Begin VB.Form Form1 
    Caption         =   "Form1"
    ClientHeight    =   4590
    ClientLeft      =   60
    ClientTop       =   345
    ClientWidth     =   6885
    LinkTopic       =   "Form1"
    ScaleHeight     =   4590
    ScaleWidth      =   6885
    StartUpPosition =   3
    Begin VB.Label Label1 
        AutoSize        =   -1
        Height          =   100
        Left            =   120
        TabIndex        =   0
        Top             =   120
        Width           =   100
    End
End

Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Private Sub Form_Load()

    Format.Initialize
    
    Me.Label1.Caption = "Tutorial 24" & vbCrLf & "---------------" & vbCrLf

    ' Create an instance of the class that exports Excel files
    Set workbook = CreateObject("EasyXLS.ExcelDocument")

    ' Create a worksheet
    workbook.easy_addWorksheet_2 ("SourceData")

    ' Get the table of data for the worksheet
    Set xlsTable1 = workbook.easy_getSheet("SourceData").easy_getExcelTable()

    ' Add data in cells for report header
    xlsTable1.easy_getCell(0, 0).setValue ("Show Date")
    xlsTable1.easy_getCell(0, 1).setValue ("Available Places")
    xlsTable1.easy_getCell(0, 2).setValue ("Available Tickets")
    xlsTable1.easy_getCell(0, 3).setValue ("Sold Tickets")

    ' Add data in cells for chart report values
    xlsTable1.easy_getCell(1, 0).setValue ("03/13/2005 00:00:00")
    xlsTable1.easy_getCell(1, 0).setFormat (Format.FORMAT_FORMAT_DATE)
    xlsTable1.easy_getCell(2, 0).setValue ("03/14/2005 00:00:00")
    xlsTable1.easy_getCell(2, 0).setFormat (Format.FORMAT_FORMAT_DATE)
    xlsTable1.easy_getCell(3, 0).setValue ("03/15/2005 00:00:00")
    xlsTable1.easy_getCell(3, 0).setFormat (Format.FORMAT_FORMAT_DATE)
    xlsTable1.easy_getCell(4, 0).setValue ("03/16/2005 00:00:00")
    xlsTable1.easy_getCell(4, 0).setFormat (Format.FORMAT_FORMAT_DATE)

    xlsTable1.easy_getCell(1, 1).setValue ("10000")
    xlsTable1.easy_getCell(2, 1).setValue ("5000")
    xlsTable1.easy_getCell(3, 1).setValue ("8500")
    xlsTable1.easy_getCell(4, 1).setValue ("1000")

    xlsTable1.easy_getCell(1, 2).setValue ("8000")
    xlsTable1.easy_getCell(2, 2).setValue ("4000")
    xlsTable1.easy_getCell(3, 2).setValue ("6000")
    xlsTable1.easy_getCell(4, 2).setValue ("1000")

    xlsTable1.easy_getCell(1, 3).setValue ("920")
    xlsTable1.easy_getCell(2, 3).setValue ("1005")
    xlsTable1.easy_getCell(3, 3).setValue ("342")
    xlsTable1.easy_getCell(4, 3).setValue ("967")

    ' Set column widths
    xlsTable1.easy_getColumnAt(0).setWidth (100)
    xlsTable1.easy_getColumnAt(1).setWidth (100)
    xlsTable1.easy_getColumnAt(2).setWidth (100)
    xlsTable1.easy_getColumnAt(3).setWidth (100)

    ' Create a chart
    Set xlsChart = CreateObject("EasyXLS.Charts.ExcelChart")
    xlsChart.setLeftUpperCorner_2 ("A10")
    xlsChart.setSize 600, 300

    xlsChart.easy_addSeries_2 "=SourceData!$B$1", "=SourceData!$B$2:$B$5"
    xlsChart.easy_addSeries_2 "=SourceData!$C$1", "=SourceData!$C$2:$C$5"
    xlsChart.easy_addSeries_2 "=SourceData!$D$1", "=SourceData!$D$2:$D$5"
    xlsChart.easy_setCategoryXAxisLabels ("=SourceData!$A$2:$A$5")

    ' Add the chart to the first worksheet
    Set xlsWorksheet = workbook.easy_getSheet("SourceData")
    xlsWorksheet.easy_addChart (xlsChart)

    ' Export Excel file
    Me.Label1.Caption = Me.Label1.Caption & vbCrLf & _
                           "Writing file C:\Samples\Tutorial24 - chart inside worksheet.xlsx"
    workbook.easy_WriteXLSXFile ("C:\Samples\Tutorial24 - chart inside worksheet.xlsx")

    ' Confirm export of Excel file
    If workbook.easy_getError() = "" Then
        Me.Label1.Caption = Me.Label1.Caption & vbCrLf & "File successfully created."
    Else
        Me.Label1.Caption = Me.Label1.Caption & vbCrLf & "Error: " & workbook.easy_getError()
    End If

    ' Dispose memory
    workbook.Dispose
End Sub