Vb tutorial with examples pdf

In , Microsoft released Visual Basic. NET VB. NET to replace Visual Basic 6. Thereafter, Microsoft declared VB6 a legacy programming language in However, Microsoft still provides some form of support for VB6. NET is a fully object-oriented programming language implemented in the. NET Framework. It was created to cater for the development of the web as well as mobile applications. Subsequently, Microsoft has released many versions of VB.

Although the. NET portion was discarded in , all versions of the Visual Basic programming language released since are regarded as the VB. VS allows you to code in different programming languages and different platforms, Visual Basic is one of them.

Visual Basic is the latest version VB. NET programming language released by Microsoft. The free version that provides full-featured IDE for students, open source community and individuals. As this book was written based on the free version, proceed to download the free Visual Studio Community, select community and download the installer file. The downloaded installer file will appear on your Windows 10 taskbar.

Click it to install Visual Studio Clicking the Visual Studio Installer will start downloading, unpacking and installing the files necessary for the installation of Visual Studio , as shown in Figure 1.

Since we are focusing on developing Visual Basic desktop app, we will select the. NET desktop development component. After making your selections, click install. Figure 1. In the start page, you can select a recent project file or choose any option in the Get Started section. You can choose to clone a project from GitHub or Azure DevOps, open a project or solution, open a local folder, create a new project or continue without code.

You will now see the Create a new project template page, as shown in Figure 1. Net Framework template as we want to develop a Windows desktop project, as shown in Figure 1. You can configure your project by typing the project name and select a few other options.

After renaming the project, click OK to continue. It also consists of a toolbox which contains many useful controls that allows the I programmer to develop his or her Visual Basic programs.

You can drag and move your toolbox around and dock it to the right, left, top or bottom of the IDE. Next, insert a button and change its text to OK. The design interface is shown in Figure 1. You have also learned how to write your first program.

Use the image icon on your toolbox to add the image to your form. Use the properties window of the image to select a picture. Use the command Button icon to add the button. An object has a set of properties. Each property of the object has a value. Event handlers transfer data to procedures that complete the task. The results of these procedures are returned back to other screen objects, e. A procedure attached to an object, such as a button, is a command used to make something happen, e.

Show where FormXX is the new form name. Activity 2 1. Open a new form and change its name to ColourChanger. Place the following objects on this form.

Use cut and paste to make the task easier. Value, HScroll2. Value, HScroll3. Value Label5. Value Label1. Value, - HScroll2. Value, - HScroll3. Value, 0, 0 Label3. Value, 0 Label4. Value 3. Use the Project Explorer window to return to your main form and double click example 2 in your menu to add the appropriate code.

Save and backup. Naming conventions Up till now, we have often accepted default names, Text1, Label1, etc. In a big project, this is not good practice as it makes the code harder to read or maintain. Naming conventions use a prefix of three lowerCase letters to identify the type of control, followed by a meaningful name.

A variable can only hold one datatype. A program can have as many variables as you need but before you can use a variable it must be declared. True or False e. Often called double-precision. Often called single-precision.

Visual Basic includes many built-in functions intrinsic functions. Some perform basic mathematical tasks. Others manipulate string data such as converting text to upperCase or lowerCase letters.

An argument is a value you pass to a function so the function has data to work with. Function names have parentheses at the end to hold the function arguments.

Even if a function has no arguments, the parenthesis are required. Two intrinsic functions include message boxes and input boxes. Activity 3: Message and input boxes Message and input boxes are intrinsic functions in Visual Basic 6. Follow the instructions Add new form to menu at the end of Activity 1 to create a new form with a menu heading on the main form. Computer Science. Electrical Engineering. Linux and Unix. Microsoft and. Mobile Computing.

Networking and Communications. Software Engineering. Special Topics. Web Programming. Other Categories. As these tutorials are included in many of the academic schedules, you will need to get detailed information on them.

As it will not possible for you to browse the web for every small topic, you can go for downloading the PDF files for having easy access to the information. Also tutorials, corrected exercises and practical work will make it easy for you to have a clear understanding of every topic.

No matter you are a beginner or want advanced information on any of these Visual Basic language VB topics, you can visit this Visual Basic language VB topic for complete knowledge. Moreover, all the material is free to download from this website. Created : Size : 1. Read that again. I know this may look so out of the norm for you. But believe me many are finding it hard to find tutorials about that very same weirdo you just saw.

Chances are you are here because you too are going through the same quest, finding PDF tutorials about VB on the net. What VB is, to begin with?

No more searching. Examples of valid and invalid variable names are displayed in Table. To browse Academia. Skip to main content. By using our site, you agree to our collection of information through the use of cookies. Document reference for other methods and properties you can use to get references to elements in the document. NET is a developer tool that easily generates PDF documents, modifies them and works as a complete API supporting font embedding, multimedia, watermarking and more.

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