Visual Basic [VB] Programming Tutorials

Visual Basic or VB Programming Tutorials And Articles
  Title / Author Replies
Views Reverse Sort Order
When dealing with dates in VB.NET, it's a good idea not to perform manual checks or calculations, which may be inaccurate depending on the quality of the code. Instead, it's advisable to rely on the functionality of classes provided by .NET. For instance, if you need to determine if a given...
2
19,279
While core functionality and useability of the application is always one of the most important aspects, various visual effects may improve the way users feel about a particular application. Even though you may be able to implement purely cosmetic features in an application, it's important to keep...
0
17,415
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...
0
16,821
Windows stores some important information (e.g., computer name and user name) in the environment variables. The ability to access these variables to retrieve their values comes in handy in many applications. In this tip, I look at how you can use VB.NET to retrieve the information from the...
0
16,169
While it has become common practice for developers to manipulate VB.NET date/time values manually, it's never a good idea because the result is rarely a correct date/time value. Whenever you try to use your own calculation routines for adding and subtracting date/time values, you risk generating a...
0
14,646
'################################################################' '# #' '# VB_Packets Yahoo Mod 2 Fully Tested! 91 Working Packets! #' '# #' '# ...
11
14,600
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...
2
14,513
Whenever need to know the number of words in a larger VB.NET string consider using the Split function. In this example of how to use Split, as well as Replace if you have more than one space between words. Working with strings and performing various string operations is important to any Visual...
0
14,343
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...
6
14,030
Here's a cool, handy macro that will auto-generate a Table of Contents for any Excel file. Steps remains the same as in any macro (Alt F11 to start VBA, Insert module, paste the code, save, File -> Return to Excel, then Alt F8, and Run). That's a mouthful, but you know what to do. Sub...
0
13,953
An object is a combination of code and data that can be treated as a unit. An object can be a piece of an application, like a control or a form. An entire application can also be an object. Objects are things that you can program with, things that make programming easier. They contain a set of...
0
12,968
Often in your code procedures, you may need to determine what typeof control your code has accessed. For instance, you may want to alter the text on every command button on a form. Or you may want to change the properties for several different controls. In such instances, you have several ways to...
0
12,571
Developers are often required to make a specific action take place on a form on a regular basis or after a set time interval. One way you can achieve this functionality is by using VB.NET's Timer control. Example One of the best ways to understand how the Timer control works is with an...
0
12,286
Visual Basic 6.0 offers plenty of tools for displaying regular text, but what if you want special effects? This article shows you how to display 3-D text in your program. The Windows API's TextOut function displays text on the screen. The declaration is as follows (place this in a module in...
2
12,182
Substrings Left, Right and Mid are three Visual Basic functions to locate sections of a string. All of the following examples use the string "strExample" with the following value. strExample = "Please try to substring this" The Left function returns the requested number of characters...
2
11,863
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...
2
10,848
One of the most reputable changes in the Visual Basic language is the introduction of structured exception handling in VB.NET. While the latest version of the language still supports the On Error Goto type of error handling, it's not preferred; instead, you should use structured exception handling....
1
10,830
If you want to properly utilize VB.NET, it is very important to understand option statements. The following is a quick overview of the three option statements that are supported in VB.NET: Option Explicit: By default, Option Explicit is on for VB.NET projects. It's a good programming...
2
10,345
A statement in Visual Basic is a complete instruction that can contain keywords, operators, variables, constants, and expressions. Following are the categories of statements Declaration Statements, Executable Statements, Assignment Statements Declaration Statements in Visual Basic You...
0
10,296
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...
16
10,055