Visual Basic [VB] Programming Tutorials

Visual Basic or VB Programming Tutorials And Articles
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Temp files are generally used for temporary storage and data manipulation. This is often necessary for storing user data, user preferences, session information, application cache, and many other types of information. In order to get the name of the file that you can use as a temp file in...
Sometimes you might require to get a list of all the files in a folder, I was thinking how it can be implemented, the solution is to used the WSH interface and write a script in VBScript. Below is a sample script which will get the list of files on a directory, say c:\windows and save it to the...
Introduction A subroutine is a container that holds a series of VBScript statements. Suppose you'd like to create a block of code that accomplishes some specific task. Maybe you need to accomplish that task in various places throughout your code. All you need to do is create, or declare, the...
Working with the DataGridView control is easy in Visual Basic.NET. The useful features of this control makes database software development a breeze. The ready-made features such as the properties, methods, functions and events do most of the tasks. What is DataGridView? This is a control in...
Introduction This code once used, it will directly print the data of Text Box to any default selected printers. Adv. - If Printer are on any other server and properly selected, this code will work properly fine. Dis. Adv.
A Simple Windows Like Calculator in Visual Basic 6. See the Screenshot. 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...
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...
Put on form Picture Box control and button. Set property ScaleMode to 3-Pixel and post this code: Private Sub Command1_Click() Dim arr(1000, 1000) As Integer Dim i Dim y Dim iSumRed As Integer Dim iSumBlack As Integer iSumRed = 0
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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...
I have searched long enough to release that there's no other SIMPLER way to archive the task of dragging out a virtual file ( a file that alreagy does not exist) Out of a program. This method is not 100% perfect but of course may be easier than calling the harsh shells. Background I...
Though VB is an object oriented language with multithreading I was always dissapointed with its less flexibility in using threads with the GUI. Of course many of you may have seen this InvalidOperationBlahException saying you cannot put up a progress bar/ timer./ count down iun a seperate thread...
This is a new class written by me to extract the icon assigned to a file in your current system. Ex: Get the icon you see for mp3 files when you open your music folder. Many at first think this is just a WIN API wrapper for the SHGetfileinfo function. NOPE, that method would just grab the icon...
Working with graphics is easy in Visual Basic 6. VB6 gives you the flexibility and power to make graphical applications in easy steps. It is rich in graphics related features. The built-in methods, properties and events allow you to use these features most effectively. In this tutorial, you...
Developers often deal with various date calculations in applications. If you need a simple way to figure out how many days there are between two given dates, consider using VB.NET's TimeSpan object. Snippet A shows how you can use the TimeSpan object to obtain the elapsed amount of time...
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...
A variable is temporary storage space for numbers, text, and objects. Variables are constantly being created and destroyed and will not hold any values after your program has ended. If you want to save the values of variables or other data. Before allocating storage space for a variable, decide...
When a program makes use of the CD-ROM drive, it can be a nice touch to open and close the door under program control. The technique that allows you to do this relies on the mciSendString function from the Windows API. This function provides a general purpose interface to Windows' multimedia...
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...
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...