UnmapFile Method

Removes mapping for a given file name.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Sub UnmapFile( _
   ByVal fileName As String _
)

'Usage
 
Dim instance As MappedFileProvider
Dim fileName As String
 
instance.UnmapFile(fileName)

public void UnmapFile( 
   string fileName
)

public:
void UnmapFile( 
   String^ fileName
)

Parameters

fileName: A name of the file (in the root directory).
The value of this parameter cannot be null (Nothing in Visual Basic).

Exceptions

Exception Description

Exception	Description
System.ArgumentException	One of the arguments provided to a method is not valid. This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.
System.ArgumentNullException	A `null` reference (`Nothing` in Visual Basic) is passed to a method that does not accept it as a valid argument. This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

System.ArgumentException

One of the arguments provided to a method is not valid.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

System.ArgumentNullException

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Remarks

The file name (fileName) must not be null or empty.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

MappedFileProvider Class
MappedFileProvider Members

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