<UserControl x:Class="Wacom.TabletApp.Controls.ExtendedButton" 
             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"  
             xmlns:local="clr-namespace:Wacom.TabletApp.Controls" 
             mc:Ignorable="d"  
             d:DataContext="{Binding RelativeSource={RelativeSource Self}}" 
             d:DesignHeight="450" d:DesignWidth="800"> 
    <UserControl.Resources> 
        <SolidColorBrush x:Key="Button.MouseOver.Background" Color="#FFBEE6FD"/> 
        <SolidColorBrush x:Key="Button.MouseOver.Border" Color="#FF3C7FB1"/> 
        <SolidColorBrush x:Key="Button.Pressed.Background" Color="#FFC4E5F6"/> 
        <SolidColorBrush x:Key="Button.Pressed.Border" Color="#FF2C628B"/> 
        <SolidColorBrush x:Key="Button.Disabled.Background" Color="#FFF4F4F4"/> 
        <SolidColorBrush x:Key="Button.Disabled.Border" Color="#FFADB2B5"/> 
        <SolidColorBrush x:Key="Button.Disabled.Foreground" Color="#FF838383"/> 
        <ControlTemplate x:Key="ButtonTemplate" TargetType="{x:Type ButtonBase}"> 

<UserControl x:Class="Wacom.TabletApp.Controls.ExtendedButton" 
             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"  
             xmlns:local="clr-namespace:Wacom.TabletApp.Controls" 
             mc:Ignorable="d"  
             d:DataContext="{Binding RelativeSource={RelativeSource Self}}" 
             d:DesignHeight="450" d:DesignWidth="800"> 
    <UserControl.Resources> 
        <SolidColorBrush x:Key="Button.MouseOver.Background" Color="#FFBEE6FD"/> 
        <SolidColorBrush x:Key="Button.MouseOver.Border" Color="#FF3C7FB1"/> 
        <SolidColorBrush x:Key="Button.Pressed.Background" Color="#FFC4E5F6"/> 
        <SolidColorBrush x:Key="Button.Pressed.Border" Color="#FF2C628B"/> 
        <SolidColorBrush x:Key="Button.Disabled.Background" Color="#FFF4F4F4"/> 
        <SolidColorBrush x:Key="Button.Disabled.Border" Color="#FFADB2B5"/> 
        <SolidColorBrush x:Key="Button.Disabled.Foreground" Color="#FF838383"/> 
        <ControlTemplate x:Key="ButtonTemplate" TargetType="{x:Type ButtonBase}"> 

_messageWindowHandle = new WindowInteropHelper(window).EnsureHandle();
HwndSource.FromHwnd(_messageWindowHandle).AddHook(WndProc);

_messageWindowHandle = new WindowInteropHelper(window).EnsureHandle();
HwndSource.FromHwnd(_messageWindowHandle).AddHook(WndProc);

namespace TimedBackgroundTasks;

public class TimedHostedService : BackgroundService
{
    private readonly ILogger<TimedHostedService> _logger;
    private int _executionCount;

    public TimedHostedService(ILogger<TimedHostedService> logger)
    {
        _logger = logger;
    }

    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
    {
        _logger.LogInformation("Timed Hosted Service running.");

        // When the timer should have no due-time, then do the work once now.
        DoWork();

        using PeriodicTimer timer = new(TimeSpan.FromSeconds(1));

        try
        {
            while (await timer.WaitForNextTickAsync(stoppingToken))
            {
                DoWork();
            }
        }
        catch (OperationCanceledException)
        {
            _logger.LogInformation("Timed Hosted Service is stopping.");
        }
    }

    // Could also be a async method, that can be awaited in ExecuteAsync above
    private void DoWork()
    {
        int count = Interlocked.Increment(ref _executionCount);

        _logger.LogInformation("Timed Hosted Service is working. Count: {Count}", count);
    }
}

namespace TimedBackgroundTasks;

public class TimedHostedService : BackgroundService
{
    private readonly ILogger<TimedHostedService> _logger;
    private int _executionCount;

    public TimedHostedService(ILogger<TimedHostedService> logger)
    {
        _logger = logger;
    }

    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
    {
        _logger.LogInformation("Timed Hosted Service running.");

        // When the timer should have no due-time, then do the work once now.
        DoWork();

        using PeriodicTimer timer = new(TimeSpan.FromSeconds(1));

        try
        {
            while (await timer.WaitForNextTickAsync(stoppingToken))
            {
                DoWork();
            }
        }
        catch (OperationCanceledException)
        {
            _logger.LogInformation("Timed Hosted Service is stopping.");
        }
    }

    // Could also be a async method, that can be awaited in ExecuteAsync above
    private void DoWork()
    {
        int count = Interlocked.Increment(ref _executionCount);

        _logger.LogInformation("Timed Hosted Service is working. Count: {Count}", count);
    }
}