Bonjour
J'ai créer un datatrigger pour modifier dynamiquement le look des labels. Mais ce datatrigger fonction bien lorsque mon label est inséré directement dans une fenêtre, mais ne fonctionne plus lorsque le label est
inclu dans un UserControl. Voici le source de mon exemple.
<Application x:Class="WpfApplication1.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
StartupUri="MainWindow.xaml">
<Application.Resources>
<Style x:Key="StyleEtoile">
<Style.Triggers>
<DataTrigger Binding="{Binding ElementName=frm , Path=IsModification}" Value="true" >
<Setter Property="Label.FontWeight" Value="Bold"/>
<Setter Property="Label.Foreground" Value="Red"/>
</DataTrigger>
</Style.Triggers>
</Style>
</Application.Resources>
</Application>
<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" x:Name="frm" xmlns:my="clr-namespace:WpfApplication1">
<Grid>
<Label Content="coucou" Margin="0,0,0,0" Style="{StaticResource StyleEtoile}" VerticalAlignment="Top"/>
<Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="150,163,0,0" Name="button1"
VerticalAlignment="Top" Width="75" Click="button1_Click" />
<my:LabelEtoilee Margin="100,100,0,0" x:Name="labelEtoilee1" VerticalAlignment="Top" />
</Grid>
</Window>
using System;
using System.Windows;
namespace WpfApplication1 {
/// <summary>
/// Logique d'interaction pour MainWindow.xaml
/// </summary>
public partial class MainWindow : Window {
public Boolean IsModification {
get {
return (Boolean)GetValue(IsModificationProperty);
}
set {
SetValue(IsModificationProperty, value);
}
}
public static readonly DependencyProperty IsModificationProperty = DependencyProperty.RegisterAttached(
"IsModification",
typeof(Boolean),
typeof(MainWindow),
new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.AffectsRender)
);
public MainWindow() {
InitializeComponent();
}
private void button1_Click(object sender, RoutedEventArgs e) {
IsModification = !IsModification;
}
}
}
<UserControl x:Class="WpfApplication1.LabelEtoilee"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
mc:Ignorable="d"
d:DesignHeight="34" d:DesignWidth="300">
<TextBlock>
<Label Content="Label" Height="Auto" Name="label1" Style="{StaticResource StyleEtoile}" />
</TextBlock>
</UserControl>
Quelqu'un a t-il une idée pour solutionner mon problème ? Merci d'avance pour votre aide
TEDFR
