'UsageDim instance As MappedFileProvider Dim fileName As String instance.UnmapFile(fileName)
Parameters
- fileName
 - A name of the file (in the root directory).
 
            'UsageDim instance As MappedFileProvider Dim fileName As String instance.UnmapFile(fileName)
| 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  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.  | 
The file name (fileName) must not be null or empty.