triggers wpf code example
Example 1: xaml trigger
<Window x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525">
<Grid>
<Label Name="lblContent" VerticalAlignment="Center" FontSize="14">
<Label.Style>
<Style TargetType="Label">
<Style.Triggers>
<DataTrigger Binding="{Binding Path=IsLink}"
Value="True">
<Setter Property="Foreground" Value="Blue" />
<Setter Property="Cursor" Value="Hand" />
</DataTrigger>
</Style.Triggers>
</Style>
</Label.Style>
label's text
</Label>
</Grid>
</Window>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
this.DataContext = this;
}
public Boolean IsLink
{
get { return (Boolean)GetValue(IsLinkProperty); }
set { SetValue(IsLinkProperty, value); }
}
public static readonly DependencyProperty IsLinkProperty =
DependencyProperty.Register("IsLink", typeof(Boolean),
typeof(MainWindow), new UIPropertyMetadata(false));
}
Example 2: style trigger wpf
<TextBlock Text="Hello, styled world!" FontSize="28" HorizontalAlignment="Center" VerticalAlignment="Center">
<TextBlock.Style>
<Style TargetType="TextBlock">
<Setter Property="Foreground" Value="Blue"></Setter>
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Foreground" Value="Red" />
<Setter Property="TextDecorations" Value="Underline" />
</Trigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>