Imports System
Imports System.IO



Module PathExample

    Sub Main()
        ' Get a list of invalid path characters.
        Dim invalidPathChars As Char() = Path.GetInvalidPathChars()

        Console.WriteLine("The following characters are invalid ina path:")

        ' Display each invalid character to the console.
        Dim invalidPChar As Char
        For Each invalidPChar In invalidPathChars
            Console.WriteLine(invalidPChar)
        Next invalidPChar

        ' Get a list of invalid file characters.
        Dim invalidFileChars As Char() = Path.GetInvalidFileNameChars()

        Console.WriteLine("The following characters are invalid ina path:")

        ' Display each invalid character to the console.
        Dim invalidFChar As Char
        For Each invalidFChar In invalidFileChars
            Console.WriteLine(invalidFChar)
        Next invalidFChar

        Console.ReadLine()

    End Sub
End Module
' Note that while this code attempts to display a list of all invalid
' characters in paths and filenames, not all of the characters are
' within the displayable set of characters. Because the list of invalid
' characters can vary, based on the system, output for this code can vary.

using System;
using System.IO;

namespace PathExample
{
    class GetCharExample
    {
        public static void Main()
        {
            // Get a list of invalid path characters.
            char[] invalidPathChars = Path.GetInvalidPathChars();

            Console.WriteLine("The following characters are invalid in a path:");

            // Display each invalid character to the console.
            foreach (char invalidPChar in invalidPathChars)
            {
                Console.WriteLine(invalidPChar);
            }

            // Get a list of invalid file characters.
            char[] invalidFileChars = Path.GetInvalidFileNameChars();

            Console.WriteLine("The following characters are invalid in a filename:");

            // Display each invalid character to the console.
            foreach (char invalidFChar in invalidFileChars)
            {
                Console.WriteLine(invalidFChar);
            }

            Console.ReadLine();
        }

    }
}
// Note that while this code attempts to display a list of all invalid
// characters in paths and filenames, not all of the characters are
// within the displayable set of characters. Because the list of invalid
// characters can vary, based on the system, output for this code can vary.

using namespace System;
using namespace System::IO;

int main()
{
    // Get a list of invalid path characters.
    array<Char>^ invalidPathChars = Path::GetInvalidPathChars();

    Console::WriteLine("The following characters are invalid in a path:");

    // Display each invalid character to the console.
    for each (Char invalidPathChar in invalidPathChars)
    {
        Console::WriteLine(invalidPathChar);
    }

    // Get a list of invalid file characters.
    array<Char>^ invalidFileChars = Path::GetInvalidFileNameChars();

    Console::WriteLine("The following characters are invalid in a file name:");

    // Display each invalid character to the console.
    for each (Char invalidFileChar in invalidFileChars)
    {
        Console::WriteLine(invalidFileChar);
    }

}