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luojunyuan / MainWindow.cs

Created April 22, 2026 16:50

最标称的 csharp win32 窗口

	using System;
	using System.Runtime.InteropServices;
	using Windows.Win32;
	using Windows.Win32.Foundation;
	using Windows.Win32.Graphics.Gdi;
	using Windows.Win32.UI.WindowsAndMessaging;

	internal static unsafe class App
	{
	private const string ClassName = "AppCoreApplication_MainWnd";

luojunyuan / petype.ps

Created December 26, 2025 09:51

powershell check pe type (x86/x64/arm64)

	function Get-ExeArchitecture {
	param([string]$Path)

	$bytes = [System.IO.File]::ReadAllBytes($Path)

	# 检查 PE 头标志
	$machineType = [System.BitConverter]::ToUInt16($bytes, [System.BitConverter]::ToUInt16($bytes, 0x3C) + 4)

	switch ($machineType) {
	0x014c { "x86 (32位)" }

luojunyuan / GetObservable.cs

Created November 26, 2025 07:12

Avalonia GetObservable for WPF

	extension(DependencyObject obj)
	{
	public Observable<T> GetObservable<T>(DependencyProperty property)
	{
	var descriptor = DependencyPropertyDescriptor.FromProperty(property, obj.GetType());
	return Observable
	.FromEventHandler(
	h => descriptor.AddValueChanged(obj, h),
	h => descriptor.RemoveValueChanged(obj, h))
	.Select(_ => (T)obj.GetValue(property))

luojunyuan / App.axaml.cs

Created July 7, 2025 08:03

blazonia app template


	public partial class App : BlazoniaApplication<MainWindow>
	{
	public override void Initialize()
	{
	AvaloniaXamlLoader.Load(this);
	}
	}

luojunyuan / App1.csproj

Last active April 3, 2026 14:31

the minimal request csproj properties for creating an unpackage desktop winui app

	<Project Sdk="Microsoft.NET.Sdk">
	<PropertyGroup>
	<OutputType>WinExe</OutputType>
	<TargetFramework>net9.0-windows10.0.26100.0</TargetFramework>
	<UseWinUI>true</UseWinUI>
	<Nullable>enable</Nullable>
	<ImplicitUsings>true</ImplicitUsings>
	<ApplicationManifest>app.manifest</ApplicationManifest>
	</PropertyGroup>

luojunyuan / SplashScreen.cs

Last active January 17, 2025 03:19

SplashScreen with System.Drawing.Common + CSWin32

	public class SplashScreen
	{
	public static SplashScreen Show(string imagePath)
	{
	using var image = Image.FromFile(imagePath);
	return InternalShow(image);
	}

	public static SplashScreen Show(Stream stream)
	{

luojunyuan / startuptime.md

Last active May 21, 2023 17:08

in m1 parallels desktop

/ms	net472	net8	net8-aot
console	8-29	45
wpf-Loaded	90-120	260	-

console(cold)	21	200
wpf-Loaded(cold)	250	342	-

luojunyuan / XmlSerializer.cs

Created March 31, 2023 15:17

csharp .net xml serializer

	public static T? XmlDeserializer<T>(string text)
	{
	var serializer = new XmlSerializer(typeof(T));
	using var reader = new StringReader(text);

	var result = (T?)serializer.Deserialize(reader);

	return result;
	}

luojunyuan / magnifierWpf.cs

Last active January 28, 2023 06:48

	using System.Windows.Threading;
	using System.Windows;
	using System.Windows.Interop;

	namespace MagnifierWpf;

	public class MagWindow : Window
	{
	private float magnification;
	private int _sourceWidth = 400;

luojunyuan / Program.cs

Created February 15, 2022 08:50

启动器备份

	using Microsoft.Win32;
	using System;
	using System.Diagnostics;
	using System.IO;
	using System.Linq;
	using System.Runtime.InteropServices;

	namespace Installer
	{
	public class Installer