Change BackgroundImage based on image on disk

[ldejesuspr]

Hello

I have a .exe with forms with a BackgroundImage defined in the properties of the form. I would like to change the background image without having to recompile. I thought that by just replacing the image in disk with another as long i would use the same name it would be ok but it does not do the trick. Can amybody help on accomplishing this? Also I tried assigning in the load of the form the backgroundimage property but then i get some flickering that i certainly dont want.

Thanks in advance

ldj

 

[ThatRickGuy]

Set the background image in the constructor of the form, not the load.

-Rick

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I believe in killer coding ninja monkeys.

 

[ldejesuspr]

Thanks Rick. How do I access the constructor of the form? Would this have any effect on code in the form load?

thanks

ldj

 

[ThatRickGuy]

The constructor's code is in the "windows generated code, do not change" region. And the name of that region is rather stupid, why MS wants to hide the constructor, I have no idea.

Anyways, the constructor is the first thing that happens. When you instantiate the object (use the New keyword) the constructor is fired. So by setting the back ground image there, it will be set before the form is loaded. The load even happens later, I can't remember the exact sequency anymore, but you can wind up with paint events firing while the load procedure is still running. That's what is causing the flicker you saw.

-Rick

VB.Net Forum forum796 forum855 ASP.NET Forum
I believe in killer coding ninja monkeys.

 

[ldejesuspr]

Rick,

I tried it and it worked perfectly!

thanks a lot for the easy to implement tip