change background of form

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C#

i want to change background image randomly on form load through imagelist
but how..............

Posted 28-Jul-13 19:50pm

arvindnitin7

Updated 28-Jul-13 19:52pm

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Sergey Alexandrovich Kryukov 29-Jul-13 1:58am

What do you mean "how"? By writing some code. Do you have any particular problem with that?
—SA

arvindnitin7 29-Jul-13 2:01am

i want to change background image of windows form randomly like windows 7
plz help me

Sergey Alexandrovich Kryukov 29-Jul-13 2:07am

You should have mentioned it, about "random". Not clear what prevented you just read MSDN documentation.
I answered anyway. Do you know how to use the class System.Random? If not, read about it in MSDN.
—SA

arvindnitin7 29-Jul-13 2:18am

but i want change many images back to back in 2 sec like windows 7

Sergey Alexandrovich Kryukov 29-Jul-13 10:03am

And what's the problem? Do it.
—SA

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Sergey Alexandrovich Kryukov · Answer 1 · 2013-07-28T20:05:00

Isn't that enough: http://msdn.microsoft.com/en-us/library/system.windows.forms.control.backgroundimage.aspx[^]?

If you need something more sophisticated, simply render whatever your want of the surface of the form overriding the virtual method System.Windows.Forms.Control.OnPaint or handling the form's event Paint. If the image should change from time to time, change the data used in rendering (index of the image in the image list, for example) and call System.Windows.Forms.Control.Invalidate.

—SA