独立分辨率或监视器大小独立的WPF应用程序

how could i develop resolution independent and monitor size independent wpf apps. monitor size independent means here suppose i develop a wpf apps in 15inch monitor and when i will view that apps in 17 inch monitor then often UI looks different so how could i get rid of this problem in WPF. please guide in detail. thankshow could i develop resolution independent and