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Posted 17 Jun 2008
Licenced CPOL

C# Space Invaders using WinForms Objects

, 17 Jun 2008
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Create the famous game using only labels, panels and pictures


Space Invaders is one of the most famous arcades in the world, and many of us programmers developed our own version of this game in our favourite programming language. I decided to create a version using only WinForms objects, maintaining as many features as possible (primarily, the graphics).



At first, you must know that every label object has got its image property, which can be used as background for a text. Of course, if you set text to empty string, you see nothing but the image itself! So, I decided to use labels for player ship, for aliens and for bullets. For aliens movement, I placed all of them in a panel, so that I can shift the entire armada only by setting the top and left property of the panel. To be right, there are two panels and two armadas, which are shown alternately to change aliens' legs positions.

Using the Code

There is a class for each of the main actors of the game: bullets, invaders and ship. In the main form, a timer is used for checking the keyboard, and another timer for moving the actors. To handle keyboard input smoothly, I didn't use the KeyPress event, but I used GetAsyncKeyState from DDL user32; in this way, there is no delay between the first and second hit of the key.

Note: Use the left and right arrow keys for moving the ship, and space key for shooting.


  • 17th June, 2008: This is version 0.5. No sound is included. Moreover, invaders' ship (the one passing in the upper side of the screen) is missing. A known bug is that aliens don't bite the bunkers (that means that when the aliens reach the bunkers's position, the aliens pass behind the bunkers).


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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Comments and Discussions

GeneralMy vote of 4 Pin
Mr.Desolator12-Sep-11 2:14
memberMr.Desolator12-Sep-11 2:14 
GeneralYay (and bug) Pin
Chris Maunder17-Jun-08 4:19
adminChris Maunder17-Jun-08 4:19 
GeneralRe: Yay (and bug) Pin
Jubjub17-Jun-08 9:34
memberJubjub17-Jun-08 9:34 
GeneralRe: Yay (and bug) Pin
GCalcerano17-Jun-08 20:26
memberGCalcerano17-Jun-08 20:26 
GeneralRe: Yay (and bug) Pin
Rich Leyshon24-Jun-08 4:22
memberRich Leyshon24-Jun-08 4:22 

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