Utilize the Full Functionality of the Whidbey File Management - Mode, Share and Access of Files
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FileMode
FileMode parameter control has the following members:
- Append – Append to an existing file or create a new file if the file not exists
- Create - Create a new file
- Open – Open the file
- OpenCreate - Open a file if exists or it will create a file
- Truncate – Remove all the contents so that its size is zero bytes
Example:
Dim objStreamReader As New
StreamReader(“C:\benoy\Mytext.txt”)
MessageBox.Show(objStreamReader.ReadToEnd()
objStreamReader.Close()
FileShare
FileShare enumeration allows you to control the share permission to access the FileStreams.
Some of the members included in the FileShare enumerations are Read, ReadWrite, Write, None, Inheritable etc.
Read command allows you to opening the file for reading.
ReadWrite command allows you to opening the file for reading and writing.
Write command allows you to opening the file for writing.
Dim objFileStream As New
FileStream(“C:\benoy\Mytext.txt”, _
FileMode. OpenOrCreateOpen,
FileAccess.ReadWrite,
FileShare.ReadWrite)
FileAccess
FileAccess enumeration allows you to control the permission to access the FileStreams.
Some of the members included in the FileAccess enumerations are Read, ReadWrite, Write etc.
Conclusion
In this article we found out how to manage windows file operations using different file level operation commands. It allows you to set file permissions, modes, access and sharing of files using VB.NET environment.
• File System Management and its uses
• File Permissions
• File modes, File Access, File Shares
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