File.GetLastAccessTime Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
When it is called by trusted applications, returns the date and time the specified file or directory was last accessed.
Namespace: System.IO
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
<SecuritySafeCriticalAttribute> _
Public Shared Function GetLastAccessTime ( _
path As String _
) As DateTime
[SecuritySafeCriticalAttribute]
public static DateTime GetLastAccessTime(
string path
)
Parameters
- path
Type: System.String
The file or directory for which to obtain access date and time information.
Return Value
Type: System.DateTime
A DateTime structure set to the date and time that the specified file or directory was last accessed. This value is expressed in local time.
Exceptions
| Exception | Condition |
|---|---|
| UnauthorizedAccessException | The caller does not have the required permission. |
| ArgumentException | path is a zero-length string, contains only white space, or contains one or more invalid characters as defined by GetInvalidPathChars. |
| ArgumentNullException | path is nulla null reference (Nothing in Visual Basic). |
| 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 | path is in an invalid format. |
Remarks
For more information about trusted applications, see Trusted Applications.
Platform Notes
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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.
Version Information
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
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.