Prism Logging（對於開發者的運行原理）

using Prism.Logging.Syslog;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;

class Program
{
    public class Demo
    {
        public string Name { get; set; }
        public int Age { get; set; }

        // Configure the logger options
        static Options genOptions = new Options
        {
            HostNameOrIp = "127.0.0.1",
            Port = 514,
            AppNameOrTag = "LoggingDemo"
        };

        static SyslogLogger logger = new SyslogLogger(genOptions);
        static IList<LogData> Loglst = new List<LogData>();

        static async Task Main(string[] args)
        {
            MessageLog("Application started.", Prism.Logging.Syslog.Level.Information);
            PerformApplicationLogic();
            MessageLog("Application stopped.", Prism.Logging.Syslog.Level.Information);
        }

        static void PerformApplicationLogic()
        {
            // Example application logic
            Console.WriteLine("Performing application logic...");

            // Simulate error
            try
            {
                throw new Exception("Simulated Exception");
            }
            catch (Exception ex)
            {
                MessageLog($"Error occurred: {ex.Message}", Prism.Logging.Syslog.Level.Error);
            }
        }

        // Logs messages and their levels
        static void MessageLog(string message, Prism.Logging.Syslog.Level level)
        {
            Loglst.Add(new LogData { Message = message, Level = level.ToString() });
            logger.Log(message, level);
        }

        public class LogData
        {
            public string Message { get; set; }
            public string Level { get; set; }
        }

        public class Options : ISyslogOptions
        {
            public string HostNameOrIp { get; set; }
            public int? Port { get; set; }
            public string AppNameOrTag { get; set; }
        }
    }
}

Imports Prism.Logging.Syslog
Imports System
Imports System.Collections.Generic
Imports System.Threading.Tasks

Friend Class Program
	Public Class Demo
		Public Property Name() As String
		Public Property Age() As Integer

		' Configure the logger options
		Private Shared genOptions As New Options With {
			.HostNameOrIp = "127.0.0.1",
			.Port = 514,
			.AppNameOrTag = "LoggingDemo"
		}

		Private Shared logger As New SyslogLogger(genOptions)
		Private Shared Loglst As IList(Of LogData) = New List(Of LogData)()

		Shared Async Function Main(ByVal args() As String) As Task
			MessageLog("Application started.", Prism.Logging.Syslog.Level.Information)
			PerformApplicationLogic()
			MessageLog("Application stopped.", Prism.Logging.Syslog.Level.Information)
		End Function

		Private Shared Sub PerformApplicationLogic()
			' Example application logic
			Console.WriteLine("Performing application logic...")

			' Simulate error
			Try
				Throw New Exception("Simulated Exception")
			Catch ex As Exception
				MessageLog($"Error occurred: {ex.Message}", Prism.Logging.Syslog.Level.Error)
			End Try
		End Sub

		' Logs messages and their levels
		Private Shared Sub MessageLog(ByVal message As String, ByVal level As Prism.Logging.Syslog.Level)
			Loglst.Add(New LogData With {
				.Message = message,
				.Level = level.ToString()
			})
			logger.Log(message, level)
		End Sub

		Public Class LogData
			Public Property Message() As String
			Public Property Level() As String
		End Class

		Public Class Options
			Implements ISyslogOptions

			Public Property HostNameOrIp() As String
			Public Property Port() As Integer?
			Public Property AppNameOrTag() As String
		End Class
	End Class
End Class

using IronPdf;

static void GeneratePdfLogReport()
{
    var renderer = new ChromePdfRenderer(); // Instantiates Chrome Renderer

    // Generate HTML content for PDF report
    string htmlContent = "<h1>Log Report</h1><ul>";
    foreach (var log in Loglst)
    {
        htmlContent += $"<li><strong>Message: {log.Message}</strong> Level: {log.Level}</li>";
    }
    htmlContent += "</ul>";

    // Generate PDF document
    var pdfDocument = renderer.RenderHtmlAsPdf(htmlContent);

    // Save PDF file
    string filePath = "log_report.pdf";
    pdfDocument.SaveAs(filePath);
    Console.WriteLine($"PDF log report generated: {filePath}");
}

Imports IronPdf

Shared Sub GeneratePdfLogReport()
	Dim renderer = New ChromePdfRenderer() ' Instantiates Chrome Renderer

	' Generate HTML content for PDF report
	Dim htmlContent As String = "<h1>Log Report</h1><ul>"
	For Each log In Loglst
		htmlContent &= $"<li><strong>Message: {log.Message}</strong> Level: {log.Level}</li>"
	Next log
	htmlContent &= "</ul>"

	' Generate PDF document
	Dim pdfDocument = renderer.RenderHtmlAsPdf(htmlContent)

	' Save PDF file
	Dim filePath As String = "log_report.pdf"
	pdfDocument.SaveAs(filePath)
	Console.WriteLine($"PDF log report generated: {filePath}")
End Sub