FileInfo.Delete 메서드

정의

네임스페이스:
System.IO
어셈블리:
mscorlib.dll, System.IO.FileSystem.dll
어셈블리:
netstandard.dll, System.Runtime.dll
어셈블리:
netstandard.dll, System.IO.FileSystem.dll
어셈블리:
netstandard.dll, System.IO.FileSystem.dll, System.Runtime.dll
어셈블리:
System.IO.FileSystem.dll
어셈블리:
mscorlib.dll
어셈블리:
netstandard.dll
Source:
FileInfo.cs
Source:
FileInfo.cs
Source:
FileInfo.cs
Source:
FileInfo.cs
Source:
FileInfo.cs

파일을 영구적으로 삭제합니다.

public:
 override void Delete();
public override void Delete();
override this.Delete : unit -> unit
Public Overrides Sub Delete ()

예외

IOException

대상 파일이 열려 있거나 NT를 실행하는 컴퓨터에서 메모리 매핑이 Microsoft Windows.

-또는-

파일에 열린 핸들이 있고 운영 체제가 Windows XP 이전 버전입니다. 이 열린 핸들은 디렉터리 및 파일을 열거하여 발생할 수 있습니다. 자세한 내용은 방법: 디렉터리 및 파일 열거를 참조하세요.

SecurityException

호출자에게 필요한 권한이 없습니다.

UnauthorizedAccessException

경로가 디렉터리입니다.

예제

다음 예제에서는 메서드를 보여 줍니다 Delete .

using System;
using System.IO;

class Test
{
    
    public static void Main()
    {
        string path = @"c:\MyTest.txt";
        FileInfo fi1 = new FileInfo(path);

        try
        {
            using (StreamWriter sw = fi1.CreateText()) {}
            string path2 = path + "temp";
            FileInfo fi2 = new FileInfo(path2);

            //Ensure that the target does not exist.
            fi2.Delete();

            //Copy the file.
            fi1.CopyTo(path2);
            Console.WriteLine("{0} was copied to {1}.", path, path2);

            //Delete the newly created file.
            fi2.Delete();
            Console.WriteLine("{0} was successfully deleted.", path2);
        }
        catch (Exception e)
        {
            Console.WriteLine("The process failed: {0}", e.ToString());
        }
    }
}
//This code produces output similar to the following;
//results may vary based on the computer/file structure/etc.:
//
//c:\MyTest.txt was copied to c:\MyTest.txttemp.
//c:\MyTest.txttemp was successfully deleted.

Imports System.IO
Imports System.Text

Public Class Test

    Public Shared Sub Main()
        Dim path As String = "c:\MyTest.txt"
        Dim fi As FileInfo = New FileInfo(path)

        Try
            Dim sw As StreamWriter = fi.CreateText()
            sw.Close()
            Dim path2 As String = path + "temp"
            Dim fi2 As FileInfo = New FileInfo(path2)

            'Ensure that the target does not exist.
            fi2.Delete()

            'Copy the file.
            fi.CopyTo(path2)
            Console.WriteLine("{0} was copied to {1}.", path, path2)

            'Delete the newly created file.
            fi2.Delete()
            Console.WriteLine("{0} was successfully deleted.", path2)

        Catch e As Exception
            Console.WriteLine("The process failed: {0}", e.ToString())
        End Try
    End Sub
End Class
'This code produces output similar to the following; 
'results may vary based on the computer/file structure/etc.:
'
'c:\MyTest.txt was copied to c:\MyTest.txttemp.
'c:\MyTest.txttemp was successfully deleted.

다음 예제에서는 파일을 만들고, 닫고, 삭제합니다.

using System;
using System.IO;

public class DeleteTest
{
    public static void Main()
    {
        // Create a reference to a file.
        FileInfo fi = new FileInfo("temp.txt");
        // Actually create the file.
        FileStream fs = fi.Create();
        // Modify the file as required, and then close the file.
        fs.Close();
        // Delete the file.
        fi.Delete();
    }
}

Imports System.IO

Public Class DeleteTest
    Public Shared Sub Main()
        ' Create a reference to a file.
        Dim fi As New FileInfo("temp.txt")
        ' Actually create the file.
        Dim fs As FileStream = fi.Create()
        ' Modify the file as required, and then close the file.
        fs.Close()
        ' Delete the file.
        fi.Delete()
    End Sub
End Class

설명

파일이 없으면 이 메서드는 아무 작업도 수행하지 않습니다.

적용 대상

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