How to do UI design for all versions of windows mobile in .net

I created one UI in windows Mobile 6.5 professional but when i am using windows Mobi开发者_如何学JAVAle 6.5 240 x 400 the total UI is different from actual design.

can any one say how to design common to all windows mobiles.

Thanks to All.

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You need to use scaling factor, based on that u need to judge wat you have to do..

like drawing etc...