C# Avalonia 05 - RoutedEvents- ButtonMouseUpEvent

拦截鼠标松开事件

ButtonMouseUpEvent.axaml代码

<Window xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        Height="300" Width="300"
        x:Class="AvaloniaUI.ButtonMouseUpEvent"
        Title="ButtonMouseUpEvent">
    <Grid Margin="5">
        <Button Name="cmd" Click="ButtonClick" PointerReleased="NeverCalled">Click me.</Button>
    </Grid>
</Window>

ButtonMouseUpEvent.axaml.cs代码

using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
using System;

namespace AvaloniaUI;

public partial class ButtonMouseUpEvent : Window
{
    public ButtonMouseUpEvent()
    {
        InitializeComponent();
        cmd.AddHandler(Button.PointerReleasedEvent, Backdoor, handledEventsToo : true);
    }

    private void ButtonClick(object? sender, RoutedEventArgs e)
    {
        Console.WriteLine("The Button.Click event occurred. This may have been triggered with the keyboard.");
    }

    private void NeverCalled(object? sender, PointerReleasedEventArgs e)
    {
        Console.WriteLine("You didn't see this message. That would be impossible.");
    }
    private void Backdoor(object? sender, PointerReleasedEventArgs e) 
    {
        Console.WriteLine("The (handled) Button.MouseUp event occurred.");
    }

}

运行效果