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EXCEL CHARTING Walk Through Tuturial in Visual Basic

ProEssentials ActiveX Charting components are used when creating stand-alone client-side EXEs or within containers that accept ActiveX components. This ActiveX Charting Walk-through includes instructions for Microsoft Excel 2007-2017 and should apply to later and earlier versions of Excel. For Access Click here for Access Charting ActiveX Walkthrough

Siehe die Demo...
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Hello World - Walk Through - Tutorial

For help finding ActiveX specific features in our help system, the .Net Reference section is the best source for researching properties. Our help topics show ActiveX OCX specific syntax in the OCX/VCL header near top of topic.

When installing ProEssentials, the setup program installs the ProEssentials 32 bit DLL into the System32 directory on 32 bit systems. On 64 bit systems, the 32 bit DLL is installed in SysWow64 and the 64 bit DLL is installed in System32.

The setup also installs the following Charting OCX files into the same system folders as DLLs and registers them. Note, you do not register our DLLs. Note, the 32 bit and 64 bit OCXs have the same file names and classIDs and the OS will correctly invoke the appropriate version based on the run time need. The relevant files are:

Pro Components:

  • PEGOG.OCX : Graph Component
  • PESGOG.OCX : Scientific Graph Component
  • PE3DOG.OCX : 3D Scientific Graph Component
  • PEPSOG.OCX : Polar Smith Component
  • PEPCOG.OCX : Pie Chart Component

  • PEGRP32G.DLL : 32 bit Pro DLL
  • PEGRP64G.DLL : 64 bit Pro DLL

Standard Components:

  • PEGOSG.OCX : Graph Component
  • PESGOSG.OCX : Scientific Graph Component
  • PE3DOSG.OCX : 3D Scientific Graph Component
  • PEPSOSG.OCX : Polar Smith Component
  • PEPCOSG.OCX : Pie Chart Component

  • PEGRPSG.DLL : 32bit Standard DLL
  • PEGRP6SG.DLL : 64bit Standard DLL

The following information demonstrates how to create your first ProEssentials Excel ActiveX Charting implementation using the Visual Basic. It discusses using the OCX charting components to add interactive engineering and scientific charting content to your Excel spreadsheets. Please see the other charting examples provided within the product/evaluatio; including a larger MS Access example database already containing charts and example code on various forms.

New MS Excel Charting ActiveX Project...

1) From the [New] menu, create a new [Wedding Budget] spreadsheet from provided templates.

Gigasoft ActiveX OCX Chart in MS Excel

The spreadsheet template project opens and shows the example data and chart.

MS Excel Gigasoft chart activex ocx reading spreadsheet
Enable the Developer menu...

2) Right click the top menu, select Customize the Ribbon... then select the Developer check box to enable the Developer top menu.

Excel Gigasoft Charting ActiveX use needs Developer tools.
Excel charting developer option

Adding Gigasoft ActiveX Chart to an Excel Sheet...

3) With the Wedding Budget Summary sheet showing...

click 1 Developer menu, 2 Insert Menu, and 3 the More Controls icon as shown below..

Excel charting activex adding ocx.

This opens the More Controls dialog showing all ActiveX controls registered on the system.

Excel charting activex adding ocx step 2.

Highlight the Gigasoft Pego v9 control and select OK. Then left click and drag to draw the control as shown below.

Excel charting activex adding ocx step 3.

Toggle the Design Mode menu shows the control in the default state, 1 subset, 4 points.

Excel charting activex adding ocx step 4.

Verify Name property is Pego1...

4) Right Click the chart and select Properties and verify and / or set the Name property to Pego1.

Excel charting activex name chart Pego1

Adding code to control the Gigasoft ActiveX Chart...

5) Select Developer, and then View Code menu item to show the Visual Basic Code Editor.

Excel charting ocx coding.

The list boxes at top of code window should be General and Declarations. Then add the code below to create a LoadData function to pass data from within spreadsheet to the chart.

LoadData function [Code]...

Enter the code as shown below.

Private Sub LoadData()
Dim nRows As Integer
nRows = 10
Pego1.Subsets = 1
Pego1.Points = nRows
Dim i As Integer
For i = 0 To nRows - 1
    Pego1.YData(0, nRows - i - 1) = Sheet2.Cells(7 + i, 5)
Next i
For i = 0 To nRows - 1
    Pego1.PointLabels(nRows - i - 1) = Sheet2.Cells(7 + i, 3)
Next i
End Sub

Adjust the list boxes at top of code window so Worksheet and Activate items are shown. Then add the code below within the Activate event. Refer to image below showing the Excel VB code window. You may copy and paste, but also try to write a few lines that use enums to see how intellisense works.

Pego1.MainTitle = "Wedding Budget - Actual"
Pego1.SubTitle = ""
Pego1.PrepareImages = True
Pego1.CacheBmp = True
Pego1.AntiAliasGraphics = True
Pego1.AntiAliasText = True
Pego1.RenderEngine = PERE_DIRECT2D
Pego1.BitmapGradientMode = True
Pego1.QuickStyle = PEQS_LITE_SHADOW
Pego1.DeskColor = Pego1.PEargb(255, 255, 255, 255)
Pego1.FixedLineThickness = True
Pego1.SubsetLineTypes(0) = PELT_MEDIUM_THICK_SOLID
Pego1.FontSize = PEFS_MEDIUM
Pego1.FontSizeGlobalCntl = 1.5
Pego1.TextColor = Pego1.PEargb(255, 0, 0, 0)
Pego1.SubsetColors(0) = Pego1.PEargb(180, 0, 0, 180)
Pego1.DataPrecision = PEDP_TWODECIMALS
Pego1.PlottingMethod = GPM_HORIZONTALBAR
Pego1.GridLineControl = PEGLC_YAXIS
Pego1.DataShadows = PEDS_3D
Pego1.AllowHorizontalBar = True
Pego1.YAxisOnRight = True
Pego1.AxisFormatY = "$|,|"
Pego1.YAxisLineLimit = 5
Pego1.GridBands = False
Pego1.AllowDataHotSpots = True
Call LoadData

Your project code should look similar to...

Gigasoft Visual Basic charting ocx example code
Adding a DataHotSpot event...

6) The code above enabled the DataHotSpot event, so we should place some appropriate code in the DataHotSpot event.

To add the DataHotSpot event, we need to be inside the Visual Basic editor.

Use the top drop down list boxes to 1, select Pego1 and 2, select the DataHotSpot event.

Gigasoft Visual Basic Chart OCX adding hotspot event

Add the following code to the Pego1_DataHotSpot event.

Call MsgBox("Subset " + Str$(SubsetIndex) + _
", Point " + Str$(PointIndex) + _
" with a value of " + Str$(Pego1.YData(SubsetIndex, PointIndex)))

Adding code to respond to spreadsheet changes...

7) Use the top drop down list boxes to 1, select Worksheet and 2, select the Calculate event.

Visual Basic Gigasoft charting inside Excel example code.

Add the following code to the WorkSheet_Calculate event. Then repeat for the Change event. These two events will cause the Gigasoft ActiveX Charting Component to update anytime the spreadsheet values change.

Call LoadData


7) Save the spreadsheet, toggle Design Mode off and success, your window should show the Gigasoft chart within Excel as below. Move the mouse over a bar and click to trigger the DataHotSpot event.

This completes this walkthrough.

Please read the remaining sections within Chapter 3 and review the demo code and documentation that's installed with the eval/product.

Once installed, the demo program can be accessed via shortcut...

Start / ProEssentials v9 / PeDemo

Note that our main charting demo is replicated in WPF and Winform C#.NET,  VB.NET, VC++ MFC, Delphi, Builder all accessible from where you installed ProEssentials.   These are great for modifying an existing demo to test potential modifications before implementing within your applications.

MS Excel Charting Tuturial ActiveX within your custom spreadsheet!

Thank you for researching. Please contact our engineers if you have a question.

Excel Charting Tuturial Walk Through vb example

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ProEssentials wurde von professionellen Elektroingenieuren erschaffen, die ihre eigenen Charting-Komponenten benötigten. Treten Sie unserer großen Liste von Top-Engineering-Unternehmen bei, die ProEssentials einsetzen.

Danke sehr

Vielen Dank, dass Sie ein ProEssentials-Kunde sind, und vielen Dank, dass Sie die ProEssentials-Charting-Engine recherchieren.