C-Sharp Abhängige Klassen in PowerShell implementieren

Add-Type @'  
using System;
using System.IO;
using System.Text;

namespace Rechnungsverteiler.tools
{
    public enum LogType
    {
        Info,
        Warning,
        Error
    }
    public class LogWriter
    {
        private readonly FileInfo file;

        /// <summary>
        /// Creates LogWriter for specific logfile.
        /// </summary>
        /// <param name="filePath">Path to logfile.</param> 
        public LogWriter(string filePath)
        {
            try
            {
                if (!File.Exists(filePath))
                    NewLog(filePath);

                file = new FileInfo(filePath);
            }
            catch
            {
                // Write-Mail
            }
        }

        /// <summary>
        /// Write new log message.
        /// </summary>
        /// <param name="logType">Type of log entry.</param> 
        /// <param name="content">Content of log entry.</param> 
        public void Write(LogType logType, string content)
        {
            try
            {
                file.IsReadOnly = false;
                using (StreamWriter sw = new StreamWriter(file.FullName, true))
                {
                    sw.WriteLine(String.Format("{0:dd.MM.yyyy hh:mm:ss} : {1,7} | {2}", DateTime.Now, logType, content));  
                }
            }
            catch
            {
                // Write-Mail
            }
            finally
            {
                try
                {
                    file.IsReadOnly = true;
                }
                catch { }
            }
        }



        /// <summary>
        /// Splits the last log entry to new one by writing a bar of %%%%%%%%%%%%%.
        /// </summary>
        public void NewSession()
        {
            try
            {
                file.IsReadOnly = false;
                using (StreamWriter sw = new StreamWriter(file.FullName, true))
                {
                    sw.WriteLine("\r\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\r\n");  
                }
            }
            catch
            {
                // Write-Mail
            }
            finally
            {
                try
                {
                    file.IsReadOnly = true;
                }
                catch { }
            }
        }



        /// <summary>
        /// Create new logfile
        /// </summary>
        /// <param name="path">Path for logfile</param> 
        private void NewLog(string path)
        {
            try
            {
                using (StreamWriter sw = new StreamWriter(File.Create(path)))
                {
                    sw.WriteLine(new StringBuilder("************************************************************\r\n").AppendLine(  
                                                   "*                                                          *").AppendLine(  
                                                   "*  E-Invoice-LogDatei                                      *").AppendLine(  
                                                   "*  ==================                                      *").AppendLine(  
                                                   "*                                                          *").AppendLine(  
                                     String.Format("*  User: {0,-48}  *", System.Security.Principal.WindowsIdentity.GetCurrent().Name)).AppendLine(  
                                     String.Format("*  Date: {0,-48:dd.MM.yyyy}  *", DateTime.Now)).AppendLine(  
                                                   "*                                                          *").AppendLine(  
                                                   "************************************************************\r\n").ToString());  
                }
                File.SetAttributes(path, FileAttributes.ReadOnly);
            }
            catch
            {
                // Write-Mail
            }
        }
    }
}
'@  

(New-Object Rechnungsverteiler.tools.LogWriter "$home\Desktop\test.log").Write([Rechnungsverteiler.tools.LogType]::Error,"SampleError")  

Add-Type -TypeDefinition (Get-Content ".\LogWriter.cs",".\LogType.cs" -Raw | out-string)  

Add-Type -Path "C:\Pfad\Logwriter.dll"  

$myCode = @'  
using ...
namespace mynamespace
{
    public class myclass
    {
        public <retunvalue> myMethod(<type> value1, <type> value2, ...)
        {
            ....
            ....
            return value;
        }
    }
}
'@  

Add-Type -TypeDefinition $myCode -Language CSharp <version explicit> -ErrorAction <ErrorAction> -WarningAction <-WarningAction>

    return [mynamespace.myclass]::myMethod(valueA, valueB, ...);

$ScriptRoot = Split-Path $MyInvocation.MyCommand.Path -Parent
[Void] [System.Reflection.Assembly]::LoadFile("$($ScriptRoot )\nlog.dll")  

Add-Type -Path "C:\Pfad\Logwriter.dll"