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Showing content from https://learn.microsoft.com/dotnet/api/system.io.directorynotfoundexception below:

DirectoryNotFoundException Class (System.IO) | Microsoft Learn

The exception that is thrown when part of a file or directory cannot be found.

public ref class DirectoryNotFoundException : System::IO::IOException

public class DirectoryNotFoundException : System.IO.IOException

[System.Serializable]
public class DirectoryNotFoundException : System.IO.IOException

[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public class DirectoryNotFoundException : System.IO.IOException

type DirectoryNotFoundException = class
    inherit IOException

[<System.Serializable>]
type DirectoryNotFoundException = class
    inherit IOException

[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type DirectoryNotFoundException = class
    inherit IOException

Public Class DirectoryNotFoundException
Inherits IOException

Inheritance

DirectoryNotFoundException

Inheritance

DirectoryNotFoundException

Attributes

The following example shows how to force and recover from a DirectoryNotFoundException.

using System;
using System.IO;

class Program
{

    static void Main(string[] args)
    {
        try
        {

            //  Specify a directory name that does not exist for this demo.
            string dir = @"c:\78fe9lk";

            // If this directory does not exist, a DirectoryNotFoundException is thrown
            // when attempting to set the current directory.
            Directory.SetCurrentDirectory(dir);
        }
        catch (DirectoryNotFoundException dirEx)
        {
            // Let the user know that the directory did not exist.
            Console.WriteLine("Directory not found: " + dirEx.Message);
        }
    }
}

Imports System.IO

Module Module1
    Sub Main()
        Try

            ' Specify a directory name that does not exist for this demo.
            Dim dir As String = "c:\78fe9lk"

            ' If this directory does not exist, a DirectoryNotFoundException is thrown
            ' when attempting to set the current directory.
            Directory.SetCurrentDirectory(dir)

        Catch ex As System.IO.DirectoryNotFoundException

            ' Let the user know that the directory did not exist.
            Console.WriteLine("Directory not found: " + ex.Message)
        End Try
    End Sub
End Module

DirectoryNotFoundException uses the HRESULT COR_E_DIRECTORYNOTFOUND, which has the value 0x80070003. Note that DirectoryNotFoundException is also thrown when COM interop programs see the HRESULT STG_E_PATHNOTFOUND, which has the value 0x80030003.

Gets a collection of key/value pairs that provide additional user-defined information about the exception.

Gets or sets a link to the help file associated with this exception.

Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception.

Gets the Exception instance that caused the current exception.

Gets a message that describes the current exception.

Gets or sets the name of the application or the object that causes the error.

Gets a string representation of the immediate frames on the call stack.

Gets the method that throws the current exception.

Obsolete.

Occurs when an exception is serialized to create an exception state object that contains serialized data about the exception.

• Exception
• Handling And Throwing Exceptions
• File and Stream I/O
• Reading Text From A File
• How to: Write Text to a File

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