<Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Loaded="Window_Loaded" Title="WPF" Height="230" Width="140"> <Window.Resources> <Style x:Key="labelStyle1"> <Setter Property="Label.Background" Value="LightYellow" /> <Setter Property="Label.HorizontalContentAlignment" Value="Center" /> </Style> <Style x:Key="imageStyle1"> <Setter Property="Image.Source" Value="c:\image.png" /> <Setter Property="Image.Height" Value="140" /> <Setter Property="Image.Width" Value="96" /> </Style> <Style x:Key="labelStyle2"> <Setter Property="Label.Background" Value="AliceBlue" /> <Setter Property="Label.Foreground" Value="DarkBlue" /> </Style> <Style x:Key="imageStyle2"> <Setter Property="Image.Source" Value="c:\image.png" /> <Setter Property="Image.Height" Value="140" /> <Setter Property="Image.Width" Value="96" /> </Style> </Window.Resources> <StackPanel> <Image x:Name="img"/> <Label x:Name="lbl" Content="Hello" /> </StackPanel> </Window> //File:Window.xaml.cs using System; using System.Windows; namespace WpfApplication1 { public partial class Window1 : Window { public Window1() { InitializeComponent(); } private void Window_Loaded(object sender, RoutedEventArgs e) { lbl.Style = (Style)FindResource("labelStyle2"); img.Style = (Style)FindResource("imageStyle2"); //lbl.Style = (Style)FindResource("labelStyle1"); //img.Style = (Style)FindResource("imageStyle1"); } } }