Code behind
De Banane Atomic
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var cm = new ContextMenu();
var mt = new MenuItem();
mt.Header = "Titre";
mt.Click += mt_Click;
cm.Items.Add(mt);
var textBox = new TextBox()
{
ContextMenu = cm
};
void mt_Click(object sender, RoutedEventArgs e)
{
var menuItem = (MenuItem)e.Source;
var contextMenu = (ContextMenu)menuItem.Parent;
var textbox = contextMenu.PlacementTarget as TextBox;
}
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Appeler un event
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// Lance l'event LostFocus pour permettre la validation de la TextBox textBox.RaiseEvent(new RoutedEventArgs(TextBox.LostFocusEvent)); |
DataTemplate
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var stackPanel = new FrameworkElementFactory(typeof(StackPanel)); stackPanel.SetValue(StackPanel.OrientationProperty, Orientation.Horizontal); var label = new FrameworkElementFactory(typeof(Label)); label.SetValue(Label.ContentProperty, "texte"); stackPanel.AppendChild(label); var dataTemplate = new DataTemplate(); dataTemplate.VisualTree = stackPanel; |
ControlTemplate
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var itemsPresenter = new FrameworkElementFactory(typeof(ItemsPresenter));
var textBlock = new FrameworkElementFactory(typeof(TextBlock));
textBlock.SetValue(TextBlock.TextProperty, "...");
var stackPanel = new FrameworkElementFactory(typeof(StackPanel));
stackPanel.AppendChild(itemsPresenter);
stackPanel.AppendChild(textBlock);
Template = new ControlTemplate(typeof(ItemsControl))
{
VisualTree = stackPanel
};
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Équivalent à:
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<ItemsControl.Template>
<ControlTemplate TargetType="{x:Type ItemsControl}">
<StackPanel>
<ItemsPresenter />
<TextBlock Text="..." />
</StackPanel>
</ControlTemplate>
</ItemsControl.Template>
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CommandBindings
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CommandBindings.Add(new CommandBinding(MyCommand, MyCommandExecuted)); |
Binding
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// Binding de la propriété Height d'un Button sur la propriété ActualHeight d'un ItemControl
var binding = new Binding();
// définit la source du Binding
binding.Source = this.monItemControl;
// ou bien une source relative
binding.RelativeSource = new RelativeSource(RelativeSourceMode.FindAncestor, typeof(ItemsControl), 1);
binding.valueBinding.Mode = BindingMode.TwoWay;
binding.Converter = new MyConverter();
binding.Path = new PropertyPath("ActualHeight");
button.SetBinding(Button.HeightProperty, binding);
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MergedDictionaries
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var rd = new ResourceDictionary();
rd.Source = new System.Uri("pack://application:,,,/flowers;Component/Resources/Window.xaml");
Resources.MergedDictionaries.Add(rd);
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Style
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var style = FindResource("NomDeMonStyle") as Style;
var textBlockStyle = new Style();
textBlockStyle.Setters.Add(new Setter(TextBlock.ForegroundProperty, Brushes.White));
// le style est ajouté sans clé et sera donc appliqué à tous les TextBlock
Resources.Add(typeof(TextBlock), textBlockStyle);
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