My.Computer.FileSystem Object

Visual Basic Language Reference

Provides properties and methods for working with drives, files, and directories.

Tasks

The following table lists examples of tasks involving the My.Computer.FileSystem object.

To	See
Read from a text file	How to: Read From Text Files in Visual Basic
Read from a delimited text file	How to: Read From Comma-Delimited Text Files in Visual Basic
Read from a fixed-width text file	How to: Read From Fixed-width Text Files in Visual Basic
Read from a text file with multiple formats	How to: Read From Text Files with Multiple Formats in Visual Basic
Read from a binary file	How to: Read From Binary Files in Visual Basic
Read from text files in the MyDocuments directory	How to: Read From Existing Text Files in My Documents (Visual Basic)
Read from a text file with a StreamReader	How to: Read Text from Files with a StreamReader (Visual Basic)
Write to a text file	How to: Write Text to Files in Visual Basic
Append to a text file	How to: Append to Text Files in Visual Basic
Write to a binary file	How to: Write to Binary Files in Visual Basic
Write to text files in the MyDocuments directory	How to: Write Text to Files in the My Documents Directory in Visual Basic
Write to a text file with a StreamWriter	How to: Write Text to Files with a StreamWriter in Visual Basic
Copy files with a specific pattern	How to: Copy Files with a Specific Pattern to a Directory in Visual Basic
Copy a file to the same directory	How to: Create a Copy of a File in the Same Directory in Visual Basic
Copy a file to a different directory	How to: Create a Copy of a File in a Different Directory in Visual Basic
Create a file	How to: Create a File in Visual Basic
Delete a file	How to: Delete a File in Visual Basic
Delete all the files in a directory	How to: Delete All Files in a Directory in Visual Basic
Find files with a specific pattern	How to: Find Files with a Specific Pattern in Visual Basic
Move a file	How to: Move a File in Visual Basic
Move a collection of files	How to: Move a Collection of Files in Visual Basic
Rename a file	How to: Rename a File in Visual Basic
Rename a directory	How to: Rename a Directory in Visual Basic
Copy a directory to another directory	How to: Copy a Directory to Another Directory in Visual Basic
Create a directory	How to: Create a Directory in Visual Basic
Delete a directory	How to: Delete a Directory in Visual Basic
Find subdirectories with a specific pattern	How to: Find Subdirectories with a Specific Pattern in Visual Basic
Get the collection of files in a directory	How to: Get the Collection of Files in a Directory in Visual Basic
Determine how many files are in a directory	How to: Determine How Many Files Are in a Directory in Visual Basic
Move a directory	How to: Move a Directory in Visual Basic
Move the contents of a directory	How to: Move the Contents of a Directory in Visual Basic
Read from the MyDocuments directory	How to: Retrieve the Contents of the My Documents Directory in Visual Basic
Parse a file path	How to: Parse File Paths in Visual Basic

Example

This example checks to determine whether the folder C:\backup\logs exists and checks its properties.

Visual Basic

Dim logInfo As System.IO.DirectoryInfo
If My.Computer.FileSystem.DirectoryExists("C:\backup\logs") Then
    logInfo = My.Computer.FileSystem.GetDirectoryInfo _
    ("C:\backup\logs")
End If

Requirements

Namespace: Microsoft.VisualBasic.MyServices

Class: FileSystemProxy (provides access to FileSystem)

Assembly: Visual Basic Runtime Library (in Microsoft.VisualBasic.dll)

Reference

My.Computer.FileSystem Object Members

My.Computer.FileSystem.SpecialDirectories Object

My.Computer Object

Microsoft.VisualBasic.FileIO..::.FileSystem