Path.GetInvalidPathChars メソッド

定義

名前空間:

System.IO

アセンブリ:

System.Runtime.dll

ソース:

Path.Unix.cs

パス名に使用できない文字を含む配列を取得します。

public:
 static cli::array <char> ^ GetInvalidPathChars();

public static char[] GetInvalidPathChars ();

static member GetInvalidPathChars : unit -> char[]

Public Shared Function GetInvalidPathChars () As Char()

戻り値

Char[]

パス名に使用できない文字を含む配列。

例

次の例では、無効な文字を GetInvalidFileNameChars 取得する メソッドと GetInvalidPathChars メソッドを示します。

using namespace System;
using namespace System::IO;

namespace PathExample
{
    public ref class GetCharExample
    {
    public:
        static void Main()
        {
            // Get a list of invalid path characters.
            array<Char>^ invalidPathChars = Path::GetInvalidPathChars();

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

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

            Console::WriteLine("The following characters are invalid in a filename:");
            ShowChars(invalidFileChars);
        }

        static void ShowChars(array<Char>^ charArray)
        {
            Console::WriteLine("Char\tHex Value");
            // Display each invalid character to the console.
            for each (Char someChar in charArray)
            {
                if (Char::IsWhiteSpace(someChar))
                {
                    Console::WriteLine(",\t{0:X4}", (Int16)someChar);
                }
                else
                {
                    Console::WriteLine("{0:c},\t{1:X4}", someChar, (Int16)someChar);
                }
            }
        }
    };
};

int main()
{
    PathExample::GetCharExample::Main();
}
// Note: Some characters may not be displayable on the console.
// The output will look something like:
//
// The following characters are invalid in a path:
// Char    Hex Value
// ",      0022
// <,      003C
// >,      003E
// |,      007C
// ...
//
// The following characters are invalid in a filename:
// Char    Hex Value
// ",      0022
// <,      003C
// >,      003E
// |,      007C
// ...

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:");
            ShowChars(invalidPathChars);
            Console.WriteLine();

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

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

        public static void ShowChars(char[] charArray)
        {
            Console.WriteLine("Char\tHex Value");
            // Display each invalid character to the console.
            foreach (char someChar in charArray)
            {
                if (Char.IsWhiteSpace(someChar))
                {
                    Console.WriteLine(",\t{0:X4}", (int)someChar);
                }
                else
                {
                    Console.WriteLine("{0:c},\t{1:X4}", someChar, (int)someChar);
                }
            }
        }
    }
}
// Note: Some characters may not be displayable on the console.
// The output will look something like:
//
// The following characters are invalid in a path:
// Char    Hex Value
// ",      0022
// <,      003C
// >,      003E
// |,      007C
// ...
//
// The following characters are invalid in a filename:
// Char    Hex Value
// ",      0022
// <,      003C
// >,      003E
// |,      007C
// ...

Imports System.IO

Namespace PathExample
    Public Class GetCharExample
        Public Shared Sub Main()
            ' Get a list of invalid path characters.
            Dim invalidPathChars() As Char = Path.GetInvalidPathChars()

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

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

            Console.WriteLine("The following characters are invalid in a filename:")
            ShowChars(invalidFileChars)
        End Sub

        Public Shared Sub ShowChars(charArray As Char())
            Console.WriteLine("Char" + vbTab + "Hex Value")
            ' Display each invalid character to the console.
            For Each someChar As Char In charArray
                If Char.IsWhiteSpace(someChar)
                    Console.WriteLine("," + vbTab + "{0:X4}", _
                        Microsoft.VisualBasic.Asc(someChar))
                Else
                    Console.WriteLine("{0:c}," + vbTab +"{1:X4}", someChar, _
                        Microsoft.VisualBasic.Asc(someChar))
                End If
            Next someChar
        End Sub
    End Class
End Namespace
' Note: Some characters may not be displayable on the console.
' The output will look something like:
'
' The following characters are invalid in a path:
' Char    Hex Value
' ",      0022
' <,      003C
' >,      003E
' |,      007C
' ...
'
' The following characters are invalid in a filename:
' Char    Hex Value
' ",      0022
' <,      003C
' >,      003E
' |,      007C
' ...

注釈

このメソッドから返される配列には、ファイル名とディレクトリ名に無効な文字の完全なセットが含まれている保証はありません。 無効な文字の完全なセットは、ファイル システムによって異なる場合があります。 たとえば、Windows ベースのデスクトップ プラットフォームでは、無効なパス文字には、ASCII/Unicode 文字 1 ~ 31、パイプ (|) と null (\0) が含まれる場合があります。