LazPlanet: Sample Code

Showing posts with label Sample Code. Show all posts

7.30.2014 OOP Example: Artificial Persons that Respond!

Today we create bionic, robotic, futuristic human beings! That can even respond to your question! A virtual TPerson to be precise!

Learn one of the most powerful features of any language. We will be talking about things that come alive! Plus, learn how to build a robot with the keystrokes!

Today we'll make a JPEG compressor. Sounds exciting, doesn't it? It can convert and compress from any other image formats too!

We often need to open a directory/folder in a File Manager to show its contents. Today we learn how to run Windows Explorer to automatically show the content of a directory of our choice.

Fullscreen is a common option in many of the popular programs we use. Today we learn the simple trick of making our program fullscreen.

If you want to build some uncommon software which needs hiding the taskbar then check out this article.

We learn how to make our forms stay Always on Top so that it always stays shown on screen. It is good for projects where live information is shown or sometimes just for fun!

Fonts are a very attractive customization option. It is essential in text editing programs. Changing the font by code is easy, but listing them? Today we'll see how to list all the fonts in a TListBox.

Today, in our special post, we see how to create a basic paint software in Lazarus with some basic drawing tools and Open, Save, Resize options. A must see for Lazarians!

File browsers are very useful in our everyday lives. What if you can create a file browser in 2 Minutes? ...without writing code? Yes! That's how we do it in Lazarus.

Sometimes highlighting or selecting some part, not all, becomes necessary. We look into the method of how we can do it.

Ever wanted to make your own Zip Viewer? In this article we look at a simple code for listing the files/folders inside a ZIP file, without any third party libraries.

Do you know what face of dice is going to come up before throwing? That's what random means. We learn how to create a program that shows a random number each time you click a button.

Console applications are not of entertaining type. They have that whitish dull color in a black background. But who says you cannot change it! Here is a tip to change the text color of console programs.

Forms are a bit boring sometimes, right? Spice it a little bit with a Fade In animation effect on startup. That boring square area of form will amuse the users a bit more.

We have seen a lot of average calculation programs. They have limit to their numbers of input. So we have a code that will let you enter number to your heart's content.

Learn how to code a program to list different things. Make your own lists with your own program! Utilize this article to list many things that you have never listed before!

In paint programs, we see a function to copy an image to clipboard and paste it from there. Paste an image from anywhere, Photoshop, Firefox in your own program! Here's how...