OpenRead Method

FileInfo.OpenRead Method ()


Creates a read-only FileStream.

Namespace:   System.IO
Assembly:  mscorlib (in mscorlib.dll)

public FileStream OpenRead()

Return Value

Type: System.IO.FileStream

A new read-only FileStream object.

Exception Condition

path is read-only or is a directory.


The specified path is invalid, such as being on an unmapped drive.


The file is already open.

This method returns a read-only FileStream object with the FileShare mode set to Read.

The following example opens a file as read-only and reads from it.

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for reading files. Associated enumeration: FileIOPermissionAccess.Read

Universal Windows Platform
Available since 10
.NET Framework
Available since 1.1
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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