Graphical Combos
Creating owner drawn Combo Boxes in Delphi. See how to code a graphical drop-down list - a combo box of colors; and a true true-type font picker.

Get Crazy - Draw Yourself
Owner Drawing - an excellent way to improve the look and feel of your Delphi application by changing the control's standard appearance. Creating a graphical (popup) menu.

Picture Motion - Double Buffering
Delphi Programming concepts of Double Buffering, technique that is used to prevent flicker when drawing onto the screen.

Real-time 2D particle systems (with gravitation!)
This tutorial is going to discuss a library of Delphi routines that will help you create your own particle systems. The term system is defined to mean, 'A group of interacting, interrelated, or interdependent elements forming a complex whole'. You can use the particle to represent a cannonball being shot out of a cannon - in trajectory games.

Weird Delphi
Custom shaped forms, a funny way to distinguish yourself from the others! Plus: custom shaped buttons and various form enhancements.

Screen Shuffling with Delphi
Delphi code that divides the current desktop into blocks and then swaps the blocks. It includes an option that lets you adjust the shuffling speed, and the size of the blocks. Great intro to sliding puzzle game or to screen saver development.

Twain and Delphi
Acquire images from scanners, cameras and image capture devices using Delphi.

Zoom
How to write application that is able to zoom in portion of your desktop screen.