C# Method to determine whether the specified partition is in ntfs format

using System;
using ;
namespace RobvanderWoude
{
 class IsNTFS
 {
  public static int Main( string[] args )
  {
   try
   {
    if (  == 0 )
    {
     return WriteError(  );
    }
    if (  > 1 )
    {
     return WriteError( "Invalid number of arguments." );
    }
     string drive = args[0].ToUpper( );
     DriveInfo[] allDrives = ( );
     foreach ( DriveInfo drv in allDrives )
    {
     if ( drive == ( 0, 2 ) )
     {
      if (  )
      {
       ( ( ) );
       if (  == "NTFS" )
       {
        return 0;
       }
       else
       {
        return 2;
       }
      }
      else
      {
       ( ( ).ToUpper( ) );
       return 1;
      }
     }
    }
    return WriteError( "Invalid drive specification." );
   }
   catch ( Exception e )
   {
    // Display help text with error message
    return WriteError( e );
   }
  }
  // Code to display help and optional error message, 
  //by Bas van der Woude
  public static int WriteError( Exception e )
  {
   return WriteError( e == null ? null :  );
  }
   public static int WriteError( string errorMessage )
  {
   string fullpath = ().GetValue(0).ToString();
   string[] program = ( '\\' );
   string exeName = program[( 0 )];
   exeName = ( 0, ( '.' ) );
    if ( ( errorMessage ) == false )
   {
    ( );
     = ;
    ( "ERROR: " );
     = ;
    ( errorMessage );
    ( );
   }
    ( );
   ( "IsNTFS, Version 1.00" );
   ( "Return 'errorlevel' 0 if the specified drive is NTFS formated" );
   ( );
   ( "Usage:  " );
    = ;
   ( "{0} drive:", ( ) );
   ( );
   ( );
   ( "Note:   Returns 0 if NTFS, 2 if not, 1 if not ready or invalid." );
   ( );
   ( "Written by Rob van der Woude" );
   return 1;
  }
 }
}