- Log4Net for Logging in Windows Form Desktop Application | TheCodeBuzz
- dependency injection in Windows forms and EF core – Microsoft Q&A
สร้างโปรเจ็กส์แบบ Windows Forms App (winforms) ชื่อ WinFormsApp1
ดูไฟล์ Program.cs
namespace WinFormsApp1
{
internal static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
// To customize application configuration such as set high DPI settings or default font,
// see https://aka.ms/applicationconfiguration.
ApplicationConfiguration.Initialize();
Application.Run(new Form1());
}
}
}
ดูไฟล์ Form1.cs
namespace WinFormsApp1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
}
}
ติดตั้ง Package log4net , Microsoft.Extensions.Hosting และ Microsoft.Extensions.Logging.Log4Net.AspNetCore
ดูไฟล์ WinFormsApp1.csproj
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<Nullable>enable</Nullable>
<UseWindowsForms>true</UseWindowsForms>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="log4net" Version="2.0.15" />
<PackageReference Include="Microsoft.Extensions.Hosting" Version="6.0.1" />
<PackageReference Include="Microsoft.Extensions.Logging.Log4Net.AspNetCore" Version="6.1.0" />
</ItemGroup>
</Project>
สร้างไฟล์ log4net.config และ ตั้งค่า Copy to Output Directory เป็น Copy always
<?xml version="1.0" encoding="utf-8" ?>
<log4net>
<appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
<lockingModel type="log4net.Appender.FileAppender+MinimalLock"/>
<file value="log/" />
<datePattern value="yyMMdd'Jack.log'" />
<staticLogFileName value="false"/>
<appendToFile value="true"/>
<rollingStyle value="Date"/>
<maxSizeRollBackups value="100"/>
<maximumFileSize value="15MB"/>
<encoding value="UTF-8"/>
<layout type="log4net.Layout.PatternLayout">
<param name="ConversionPattern" value="%-5p%d{ HH:mm:ss} li:%line - [%method] %m %n" />
</layout>
</appender>
<root>
<level value="ALL"/>
<appender-ref ref="RollingLogFileAppender"/>
</root>
</log4net>
แก้ไขไฟล์ Program.cs
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
namespace WinFormsApp1
{
internal static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
// To customize application configuration such as set high DPI settings or default font,
// see https://aka.ms/applicationconfiguration.
ApplicationConfiguration.Initialize();
///Generate Host Builder and Register the Services for DI
var builder = new HostBuilder()
.ConfigureServices((hostContext, services) =>
{
//Register all your services here
services.AddLogging(configure => configure.AddConsole())
.AddScoped<Form1>();
}).ConfigureLogging(logBuilder =>
{
logBuilder.SetMinimumLevel(LogLevel.Trace);
logBuilder.AddLog4Net("log4net.config");
});
var host = builder.Build();
using (var serviceScope = host.Services.CreateScope())
{
var services = serviceScope.ServiceProvider;
try
{
var form1 = services.GetRequiredService<Form1>();
Application.Run(form1);
Console.WriteLine("Success");
}
catch (Exception ex)
{
Console.WriteLine("Error");
Console.WriteLine(ex.ToString());
}
}
}
}
}
แก้ไขไฟล์ Form1.cs
using Microsoft.Extensions.Logging;
namespace WinFormsApp1
{
public partial class Form1 : Form
{
private readonly ILogger _logger;
public Form1(ILogger<Form1> logger)
{
InitializeComponent();
_logger = logger;
try
{
_logger.LogInformation("Form1 Started");
MessageBox.Show("Hello World!");
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
}
}
}
}
