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FileInfo Constructor

When it is called by trusted applications, initializes a new instance of the FileInfo class, which acts as a wrapper for a file path.

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

[SecuritySafeCriticalAttribute]
public FileInfo(
	string fileName
)

Parameters

fileName
Type: System.String
The fully qualified name of the new file, or the relative file name.

ExceptionCondition
ArgumentNullException

fileName is null.

SecurityException

The caller does not have the required permission.

ArgumentException

The file name is empty, contains only white spaces, or contains invalid characters.

UnauthorizedAccessException

Access to fileName is denied.

PathTooLongException

The specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters, and file names must be less than 260 characters.

NotSupportedException

fileName contains a colon (:) in the middle of the string.

Platform Notes

Silverlight for Windows Phone Silverlight for Windows Phone

 This member has a SecurityCriticalAttribute attribute on Silverlight for Windows Phone, because the attribute was present in Silverlight 3. This attribute restricts this member to internal use. Application code that uses this member throws a MethodAccessException.

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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