Specify width/height as resource in WPF
Sure.
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:sys="clr-namespace:System;assembly=mscorlib" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <Page.Resources> <sys:Double x:Key="Height">200</sys:Double> <sys:Double x:Key="Width">200</sys:Double> </Page.Resources> <Grid> <Rectangle Height="{StaticResource Height}" Width="{StaticResource Width}" Fill="Blue"/> </Grid></Page>