Visual Basic [VB] Programming Tutorials

Visual Basic or VB Programming Tutorials And Articles
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There are two types of procedures: Sub procedures and functions. In Visual Basic, Sub procedures do not return values when they terminate, but functions do.If you declare variables in your new procedures, those variables might not be accessible from outside the procedure, and that fact is new...
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When you decide to use a variable, you are in fact asking the computer to use a certain amount of space to hold that variable. Since different variables will be used for different purposes, you should specify the kind of variable you intend to use, then the computer will figure out how much space...
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By definition, an array is a list of variables, all with the same data type and name. When we work with a single item, we only need to use one variable. However, if we have a list of items which are of similar type to deal with, we need to declare an array of variables instead of using a variable...
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A class is a part of the program that defines the properties, methods and events of one or more object that will be created during execution. An object is an entity created at run time, which requires memory and some resources and is then destroyed when it's no longer needed or when the application...
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You can also create functions in Visual Basic . They are just like Sub procedures except that they can return a value. You declare a function in much the same way as a Sub procedure, except that you use the Function keyword instead of Sub. Function Syntax Here's the formal syntax for...
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All comparison operators produce true or false results. In other words, the comparison is either true or the comparison is false. The mathematical operators produce numeric values, whereas the comparison operators produce only true or false values. The rest of the program can use the true or false...
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Visual Basic was Object-Based, Visual Basic .NET is Object-Oriented, which means that it's a true Object-Oriented Programming Language. Visual Basic .NET supports all the key OOP features like Polymorphism, Inheritance, Abstraction and Encapsulation. Lets have a brief overview of OOP before...
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Command buttons appear in almost every window of every Windows application. Command buttons determine when the user wants to do something such as exit the application or begin printing. In almost every case, you will perform these tasks to add a command button to an application: 1. Locate and...
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The controls you select for your application's form are important because the controls (also called tools) provide the application interface for your users. Users interact with your application by clicking the controls and entering text in the controls. Placing and sizing controls are perhaps the...
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Visual Basic 6 provides a function called Environ through which you can get all the environment variables available. It takes string parameter which is name of the Environment variable and returns its value. The Valid Environment strings are ALLUSERSPROFILE APPDATA CI_HOLOS_CLI...
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A Simple Windows Like Calculator in Visual Basic 6. See the Screenshot. http://imgs.g4estatic.com/calculator/calc.png Keyboard Shortcuts Ascii code of '0' is '48' and is a short cut key to '0' Ascii code of '1' is '49' and is a short cut key to '1' Ascii code of '2' is '50' and is a...
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Useful Binary Conversion. This program convert Binary to text and text to binary. This program has one Form1 (Main.frm), textbox (Text1.Text), two button, (cmdConvtoBin and cmdConvtoText) and a module1 (Binary.bas) - Form Command Private Sub cmdConvtoBin_Click() MainText = Text1.Text...
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