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IsolatedStorageFile.GetLastWriteTime Method

Silverlight

Other Versions

Returns the date and time a specified file or directory was last written to.

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

Syntax

Copy

[SecuritySafeCriticalAttribute]
public DateTimeOffset GetLastWriteTime(
	string path
)

Parameters

path: Type: System.String
The path to the file or directory for which to obtain last write date and time information.

Return Value

Type: System.DateTimeOffset
The date and time that the specified file or directory was last written to. This value is expressed in local time.

Exceptions

Exception	Condition
ArgumentException	path is a zero-length string, contains only white space, or contains one or more invalid characters defined by the Path.GetInvalidPathChars method.
ArgumentNullException	path is null.
InvalidOperationException	The isolated store has been closed.
ObjectDisposedException	The isolated store has been disposed.
IsolatedStorageException	The isolated store has been removed. -or- Isolated storage is disabled.

Remarks

If the file described by path does not exist, this method returns 12:00 midnight, January 1, 1601 A.D. (C.E.) Coordinated Universal Time (UTC), adjusted to local time.

Version Information

Silverlight

Supported in: 5, 4

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

Platforms

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

Reference

IsolatedStorageFile Class

System.IO.IsolatedStorage Namespace

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