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Meziantou.Framework.WPF 2.0.4

Meziantou.Framework.WPF

👁 NuGet

Utilities for WPF applications, including:

• DelegateCommand for synchronous and asynchronous commands
• ConcurrentObservableCollection<T> for thread-safe collections that can be bound to WPF controls
• Enum markup extensions (EnumValuesExtension, LocalizedEnumValuesExtension)
• BooleanToValueConverter for flexible bool-to-value conversion in bindings
• Dispatcher helpers (SwitchToDispatcherThread)

Install

dotnet add package Meziantou.Framework.WPF

Usage

Commands

using Meziantou.Framework.WPF;

public sealed class SampleViewModel
{
 public IDelegateCommand SaveCommand { get; } = DelegateCommand.Create(
 execute: () => Console.WriteLine("Saved"),
 canExecute: () => true);
}

Thread-safe bindable collection

using Meziantou.Framework.WPF.Collections;

var collection = new ConcurrentObservableCollection<string>();
listBox.ItemsSource = collection.AsObservable;

await Task.Run(() => collection.Add("Item from background thread"));

Enum values in XAML

<Window
 xmlns:wpf="clr-namespace:Meziantou.Framework.WPF;assembly=Meziantou.Framework.WPF">
 <ComboBox
 ItemsSource="{wpf:LocalizedEnumValues {x:Type local:MyEnum}}"
 DisplayMemberPath="Name"
 SelectedValuePath="Value" />
</Window>

Boolean converter

<Window.Resources>
 <wpf:BooleanToValueConverter
 x:Key="BoolToVisibility"
 TrueValue="{x:Static Visibility.Visible}"
 FalseValue="{x:Static Visibility.Collapsed}" />
</Window.Resources>