emoacht

public class ListViewHelper
{
    public static int GetIndex(object item)
    {
        if (item is not ListViewItem listViewItem)
            return -1;

        ListView listView = (ListView)ItemsControl.ItemsControlFromItemContainer(listViewItem);
        return listView.ItemContainerGenerator.IndexFromContainer(listViewItem);
    }

emoacht

    using System;
    using System.Runtime.InteropServices;

    public enum Direction { None, TopLeft, TopRight, BottomRight, BottomLeft }

    public static class WindowHelper
    {
        public static Direction GetAvailableDirection(IntPtr windowHandle)
        {
            if (!GetWindowRect(windowHandle, out RECT buffer))

emoacht

using System;
using System.Windows;
using Windows.System;

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
    }

emoacht

using System.Windows;
using System.Windows.Controls;
using Microsoft.Xaml.Behaviors;

public class ContextMenuBehavior : Behavior<ContextMenu>
{
    protected override void OnAttached()
    {
        base.OnAttached();

emoacht

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
    }

    private async void Button_Click(object sender, RoutedEventArgs e)
    {
        await Task.Run(async () =>

emoacht

<Style x:Key="ListViewStyle" TargetType="{x:Type ListView}">
    <Setter Property="ItemContainerStyle">
        <Setter.Value>
            <Style TargetType="{x:Type ListBoxItem}">
                <Setter Property="Foreground" Value="Black"/>
                <Style.Triggers>
                    <MultiDataTrigger>
                        <MultiDataTrigger.Conditions>
                            <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=IsFocused}" Value="True"/>
                            <Condition Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type ListView}}, Path=IsKeyboardFocusWithin}" Value="True"/>

emoacht

public static class IdleTime
{
    [DllImport("User32.dll")]
    private static extern bool GetLastInputInfo(ref LASTINPUTINFO info);

    private struct LASTINPUTINFO
    {
        public uint cbSize;
        public uint dwTime;
    }

emoacht

<SolidColorBrush x:Key="ProgressBar.Background" Color="#FFE6E6E6"/>
<SolidColorBrush x:Key="ProgressBar.Progress" Color="#FF1C61F3"/>
<SolidColorBrush x:Key="ProgressBar.Stripe" Color="#33FFFFFF"/>

<Style x:Key="StripedProgressBarStyle" TargetType="{x:Type ProgressBar}">
    <Setter Property="Background" Value="{StaticResource ProgressBar.Background}"/>
    <Setter Property="Foreground" Value="{StaticResource ProgressBar.Progress}"/>
    <Setter Property="Height" Value="20"/>
    <Setter Property="Template">
        <Setter.Value>

emoacht

<Window x:Class="WpfFontGlyph.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow"
        SizeToContent="Height" Height="100" Width="480">
    <StackPanel>
        <Grid Margin="10">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="1*"/>
                <ColumnDefinition Width="1*"/>

emoacht

private class S
{
    public bool Enabled { get; }

    public S(bool enabled) => Enabled = enabled;
}

static void Main(string[] args)
{
    M(new S(true));