I wish to extend the wise words of Steve Jobs and say everyone in the world should learn how to program a computer. You may not necessary end up working as a programmer or writing programs at all but it will teach you how to think.
In this tutorial, we are going to cover the following topics.
Visual Basic programs for beginners with examples Basic Vb programs Example 2.1.1 Private Sub FormLoad ( ) Form1.show Print “Welcome to Visual Basic tutorial” End Sub Example 2.1.2 Private Sub FormActivate ( ) Print 20 + 10 Print 20 - 10 Print 20. 10 Print 20 / 10 End Sub You can also. 6042 Chapter 2 Creating Applications with Visual Basic. Refer to the application when giving directions to customers over the phone. We will use the following steps to create the application: 1. Clearly define what the application is to do. Visualize the application running on the computer and design its user interface.
- Open your Microsoft Visual basic 6.0 software and under New Project, select Standard EXE and click Open. Resize the Form for Calculator application appropriately and this can be done changing the width and the height property. Now add buttons and a single text box from Toolbox on the left sidebar of Visual basic editor window.
- Steps to build the simple CGI Hello.exe file: Create a New Project as a standard.exe project. Remove Form from the Project. Add a Module to the Project and name it HELLO. Set Sub Main as the Startup Object (under Project Properties). Copy the above Visual Basic code and paste it to the Module. Make Hello.exe.
- Open File Explorer Code Microsoft ISV Community Center. Visual Basic for Applications (VBA) I am trying to write a code that allows me to open file explorer and import a.csv file, but I only need the data from cells A57 and B57 down until there is no more data. I would need that data.
- Examples office you should have Microsoft Office (preferably XP) installed on your system, and you also need the Macro Programming environment Visual Basic (installed by default), and the Visual Basic Editor (VBE) installed. If you have a standard installation of MS Office you should be good to go. 2.2 The macro recorder - the first macro.
What is VBA?
VBA stands for Visual Basic for Applications. Before we go into further details, let's look at what computer programming is in a layman's language. Assume you have a maid. If you want the maid to clean the house and do the laundry. You tell her what to do using let's say English and she does the work for you. As you work with a computer, you will want to perform certain tasks. Just like you told the maid to do the house chores, you can also tell the computer to do the tasks for you.
The process of telling the computer what you want it to do for you is what is known as computer programming. Just as you used English to tell the maid what to do, you can also use English like statements to tell the computer what to do. The English like statements fall in the category of high level languages. VBA is a high level language that you can use to bend excel to your all powerful will.
VBA is actually a sub set of Visual Basic 6.0 BASIC stands for Beginners All-Purpose Symbolic Instruction Code.
Why VBA?
- It uses English like statements to write instructions
- Creating the user interface is like using a paint program. You just have to drag, drop and align the graphical user interface controls.
- Short learning curve. From day one that you start learning, you can immediately start writing simple programs.
- Enhances the functionality of excel by allowing you to make excel behave the way you want it to
Personal & business applications of VBA in excel
For personal use, you can use it for simple macros that will automate most of your routine tasks. Read the article on Macros for more information on how you can achieve this.
For business use, you can create complete powerful programs powered by excel and VBA. The advantage of this approach is you can leverage the powerful features of excel in your own custom programs.
Visual Basic for Applications VBA basics
Before we can write any code, we need to know the basics first. The following basics will help you get started.
- Variable – in high school we learnt about algebra. Find (x + 2y) where x = 1 and y = 3. In this expression, x and y are variables. They can be assigned any numbers i.e. 1 and 3 respective as in this example. They can also be changed to say 4 and 2 respectively. Variables in short are memory locations. As you work with VBA, you will be required to declare variables too just like in algebra classes
- Rules for creating variables
- Don't use reserved words – if you work as a student, you cannot use the title lecturer or principal. These titles are reserved for the lecturers and the school authority. Reserved words are those words that have special meaning in Vba and as such, you cannot use them as variable names.
- Variable names cannot contain spaces – you cannot define a variable named first number. You can use firstNumber or first_number.
- Use descriptive names – it's very tempting to name a variable after yourself but avoid this. Use descriptive names i.e. quantity, price, subtotal etc. this will make your VBA code easy to read
- Arithmetic operators - The rules of Brackets of Division Multiplication Addition and Subtraction (BODMAS) apply so remember to apply them when working with expressions that use multiple different arithmetic operators. Just like in excel, you can use
- + for addition
- - for subtraction
- * for multiplication
- / for division.
- Logical operators - The concept of logical operators covered in the earlier tutorials also apply when working with VBA. These include
- If statements
- OR
- NOT
- AND
- TRUE
- FALSE
Enable Developer Option
- Create a new workbook
- Click on the ribbon start button
- Select options
- Click on customize ribbon
- Select the developer checkbox as shown in the image below
- Click OK
You will now be able to see the DEVELOPER tab in the ribbon
Visual Basic Application Examples
VBA Hello world
Now we will demonstrate how to program in VBA. All program in VBA has to start with 'Sub' and end with 'End sub'. Here the name is the name you want to assign to your program. While sub stands for a subroutine which we will learn in the later part of the tutorial.
We will create a basic VBA program that displays an input box to ask for the user's name then display a greeting message
This tutorial assumes you have completed the tutorial on Macros in excel and have enabled the DEVELOPER tab in excel.
- Create a new work book
- Save it in an excel macro enabled worksheet format *.xlsm
- Click on the DEVELOPER tab
- Click on INSERT drop down box under controls ribbon bar
- Select a command button as shown in the image below
Draw the command button anywhere on the worksheet
You will get the following dialogue window
- Rename the macro name to btnHelloWorld_Click
- Click on new button
- You will get the following code window
Enter the following instruction codes
HERE,
- 'Dim name as String' creates a variable called name. The variable will accept text, numeric and other characters because we defined it as a string
- 'name = InputBox('Enter your name')' calls the built in function InputBox that displays a window with the caption Enter your name. The entered name is then stored in the name variable.
- 'MsgBox 'Hello ' + name' calls the built in function MsgBox that display Hello and the entered name.
Your complete code window should now look as follows
- Close the code window
- Right click on button 1 and select edit text
- Enter Say hello
- Click on Say Hello
- You will get the following input box
- Enter your name i.e. Jordan
- You will get the following message box
Congratulations, you just created your first VBA program in excel
Step by step example of creating a simple EMI calculator in Excel
In this tutorial exercise, we are going to create a simple program that calculates the EMI. EMI is the acronym for Equated Monthly Instalment. It's the monthly amount that you repay when you get a loan. The following image shows the formula for calculating EMI.
The above formula is complex and can be written in excel. The good news is excel already took care of the above problem. You can use the PMT function to compute the above.
The PMT function works as follows https://luckyns.netlify.app/steam-workshop-not-downloading-mods.html.
HERE,
- 'rate' this is the monthly rate. It's the interest rate divided by the number of payments per year
- 'nper' it is the total number of payments. It's the loan term multiplied by number of payments per year
- 'pv' present value. It's the actual loan amount
Create the GUI using excel cells as shown below
Add a command button between rows 7 and 8
Give the button macro name btnCalculateEMI_Click
Click on edit button
Enter the following code
HERE,
- 'Dim monthly_rate As Single,…' Dim is the keyword that is used to define variables in VBA, monthly_rate is the variable name, Single is the data type that means the variable will accept number.
- 'monthly_rate = Range('B6').Value / Range('B5').Value' Range is the function used to access excel cells from VBA, Range('B6').Value makes reference to the value in B6
- 'WorksheetFunction.Pmt(…)' WorksheetFunction is the function used to access all the functions in excel
The following image shows the complete source code
Vb Net Programming Examples
- Click on save and close the code window
- Test your program as shown in the animated image below
Example 2
Step 1) Under Developer tab from the main menu, click on 'Visual Basic' icon it will open your VBA editor.
Step 2) It will open a VBA editor, from where you can select the Excel sheet where you want to run the code. To open VBA editor double click on the worksheet.
It will open a VBA editor on the right-hand side of the folder. It will appear like a white space.
Step 3) In this step we going to see our fist VBA program. To read and display our program we need an object. In VBA that object or medium in a MsgBox.
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Visual Basic Programs With Codes
- First, write 'Sub' and then your 'program name' (Guru99)
- Write anything you want to display in the MsgBox (guru99-learning is fun)
- End the program by End Sub
Step 4) In next step you have to run this code by clicking on the green run button on top of the editor menu.
Step 5) When you run the code, another window will pops out. Here you have to select the sheet where you want to display the program and click on 'Run' button
Step 6) When you click on Run button, the program will get executed. It will display the msg in MsgBox.
Summary
VBA stands for Visual Basic for Application. It's a sub component of visual basic programming language that you can use to create applications in excel. With VBA, you can still take advantage of the powerful features of excel and use them in VBA.
Visual Basic Program Examples
What Is Visual Basic for Applications (VBA)?
Visual Basic for Applications (VBA) is part of Microsoft Corporation's (NASDAQ: MSFT) legacy software, Visual Basic, which the company built to help write programs for the Windows operating system. Visual Basic for Applications runs as an internal programming language in Microsoft Office (MS Office, Office) applications such as Access, Excel, PowerPoint, Publisher, Word, and Visio.
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VBA allows users to customize beyond what is normally available with MS Office host applications—VBA is not a stand-alone program—by manipulating graphical-user-interface (GUI) features such as toolbars and menus, dialogue boxes, and forms. You may use VBA to create user-defined functions (UDFs), access Windows application programming interfaces (APIs), and automate specific computer processes and calculations.
More About Visual Basic for Applications
VBA is an event-driven tool, which means that you can use it to tell the computer to initiate an action or string of actions. To do this, you build custom macros—short for macroinstructions—by typing commands into an editing module.
A macro is essentially a sequence of characters whose input results in another sequence of characters (its output) that accomplishes specific computing tasks. You do not need to purchase the VBA software because VBA is the version of Visual Basic that ships with Microsoft Office 2010.
[Important: Visual Basic for Applications is the only version of VB 6 that is still sold and supported by Microsoft and only as an internal component of Office programs.]
How Is VBA Used?
For Most of Us
Within MS Office applications, Visual Basic for Applications allows users to perform myriad functions that go beyond simple word processing and spreadsheet functions. For the typical user, VBA helps to make frequent everyday tasks less repetitive via macros.
Macros can automate just about any task—like generating customized charts and reports, and performing word- and which allows commands to interact across computer boundaries. Many firms have implemented VBA within their own applications, both proprietary and commercial, including AutoCAD, ArcGIS, CATIA, Corel, raw, and SolidWorks.
Any firm may use VBA to customize Excel for a unique purpose, such as discerning how long it would take to earn $1 million in an investment portfolio based on a specific interest rate and other factors, like the number of years until retirement.
Key Takeaways
- Visual Basic for Applications is a computer programming language developed and owned by Microsoft.
- With VBA you can create macros to automate repetitive word- and data-processing functions, and generate custom forms, graphs, and reports.
- VBA functions within MS Office applications; it is not a standalone product.
An Example of VBA in Financial Markets
How VBA Is Ubiquitous in Finance
At its core, finance is about manipulating huge amounts of data; hence, VBA is endemic to the financial services sector. If you work in finance, VBA is likely running within applications that you use each day, whether you're aware of it or not. Some jobs in the sector require prior knowledge of VBA, and some do not.
Either way, if you want to pursue a career in finance, it is important that you know the latest technological trends in your domain, and how to use automation in your day-to-day activities. Because VBA is user-intuitive, those with little or no computer programming knowledge can learn it easily.
Ways That Finance Professionals Use VBA
- Macros allow financial professionals—whether accountants, commercial bankers, investment bankers, research analysts, salesmen, traders, portfolio managers, clerks, or administrators—to analyze and adjust huge amounts of data quickly.
- You can use VBA in Excel to create and maintain complex trading, pricing, and risk-management models, forecast sales and earnings, and generate financial ratios.
- With Visual Basic for Applications, you can create various portfolio-management and investment scenarios.
- You also may use VBA to generate lists of customers’ names or any other content; create invoices, forms, and charts; analyze scientific data; and manage data display for budgets and forecasting.