Tutorial is a continuation of our previous topic called “File Handling: Adding a Save As Command”. But this time we’re going to focus on how to use the form closing event in visual basic. Basically FormClosing event occurs when the user click the close button and the form is being closed. When the form is closed, it releases all the associated resources with the form.

Objective

When you have a number of objects that you want to manipulate, you can choose many type of methods to support containing and doing manipulation. One of the best choices is the List class. This tutorial will show you how to use List class in working with collection of objects.

Let's go

List

In this tutorial, we’re going to focus on how to add a “Save As” command. Since we have already a save command, we still need to add a “Save As” command because the Save command automatically saves the file, while Save As opens a dialog box which can be used to change the name, location of a file as well as the format of a file. The save and Save As command is essentially the same, that is to save the document. But, Save and Save As has a little difference.

Objective

Like other programming language that supports array, C# gives you an efficient and simple way to manipulate with array. This tutorial will show you about array in C#, what it is and how array works.

Let's go

Objective

In some case you want to check whether or not a string is conform to an template. For example, you want to check if a given string is only created by numeric character from 0-9. Another example is checking valid email format. In these cases, C# language provides you an easy but quick method for doing this.

Let's go