WPF style -- Multi-condition trigger

To create a trigger that is triggered only when multiple conditions are true, use the Condition set provided by MultiTrigger.

 

 1 <Window x:Class="Styles.MultiTrigger" 2         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 3         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 4         Title="MultiTrigger" Height="300" Width="300"> 5     <Window.Resources> 6         <Style x:Key="BigFontButton"> 7             <Style.Setters> 8                 <Setter Property="Control.FontFamily" 9                         Value="Times New Roman" />10                 <Setter Property="Control.FontSize"11                         Value="18" />12 13             </Style.Setters>14             <Style.Triggers>15                 <MultiTrigger>16                     <MultiTrigger.Conditions>17 18                         <Condition Property="Control.IsFocused"19                                    Value="True"></Condition>20 21                         <Condition Property="Control.IsMouseOver"22                                    Value="True"></Condition>23                     </MultiTrigger.Conditions>24                     <MultiTrigger.Setters>25                         <Setter Property="Control.Foreground" Value="DarkRed"></Setter>26                     </MultiTrigger.Setters>27                 </MultiTrigger>28             </Style.Triggers>29         </Style>30     </Window.Resources>31 32     <StackPanel Margin="5">33         <Button Padding="5"34                 Margin="5"35                 Style="{StaticResource BigFontButton}">A Customized Button</Button>36         <TextBlock Margin="5">Normal Content.</TextBlock>37         <Button Padding="5"38                 Margin="5">A Normal Button</Button>39         <TextBlock Margin="5">More normal Content.</TextBlock>40         <Button Padding="5"41                 Margin="5"42                 Style="{StaticResource BigFontButton}">Another Customized Button</Button>43     </StackPanel>44 </Window>