Sometimes, we encounter different errors along the program whenever we executed it. For example, the file does not exist in the given path, network connections are not connected, or any errors that you have experienced when you're learning how to program. This is what we've called Runtime Errors. One way to prevent it is the Structured exception handling. In this tutorial, we will used the Try-Catch-Finally statement.

   The program for today is text viewer. It works this way – you click on a button, then you choose a file with *.txt extension, after that you click “Open” and you can see all file in your main form. For coding this program we will use Borland C++ Builder 6. Preparation    First of all create new application. On the main form put such controls as Button, Rich Edit control and OpenFile Dialog. After you have done that you need to configure properties of Rich Edit control.

This tutorial will teach you on how to get the difference of two time in PHP using php shorttime function. This code will help to thus programmer who want to limit the number of attempts in failed login and can login again with the defined time. To understand more about this tutorial, follow the steps bellow.

Creating Our script that get the difference and display the result

The code bellow will subtract and get the difference of two time using the php date and short time function.

   In this tutorial we will make a simple program called “Picture viewer”. This program will open a selected picture or image and it will be shown on the main form of the program. In the process of coding of this program we will use Open File Dialog component and Picture box component. Preparation    First of all you need to create a new “Windows Forms Application” project. Then you need to put a Picture box component and Button component on the form. After that you also need to add Open File Dialog to the project.

   In previous tutorial we have changed the background color of our main form. Today we are going to continue learning Dialog components. In this tutorial we will change the font of the label using Font dialog component and the color of the text using Color Dialog, which we used in previous tutorial. Preparations    The view of form is very simple. It consists of a label control and two button controls. First button will modify the font of the label and the other will modify the foreground color of the same label.

Hi! This is my tutorial entitled "Acquire Computer Drive using VB.Net". Sometimes we have require to get the drives of our computer, but this tutorial gets the list of available drives in ListView. So, now let's start this tutorial! 1. Let's start with creating a Windows Form Application for this tutorial by following the following steps in Microsoft Visual Studio: Go to File, click New Project, and choose Windows Application. 2.

The RadioButton component lets you force a user to make a single selection from a set of choices. This component must be used in a group of at least two RadioButton instances. Only one member of the group can be selected at any given time. Now, we will create a RadioButtons that when chose it will change the background color of the Form. So, now let's start this tutorial! 1.