FileSystemInfo.LastWriteTime Property
Microsoft Silverlight will reach end of support after October 2021. Learn more.
When called by trusted applications, gets or sets the time when the current file or directory was last written to.
Namespace: System.IO
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
Public Property LastWriteTime As DateTime
public DateTime LastWriteTime { get; internal set; }
Property Value
Type: System.DateTime
The time the current file was last written.
Exceptions
| Exception | Condition |
|---|---|
| IOException | Refresh cannot initialize the data. |
| PlatformNotSupportedException | The current operating system is not Microsoft Windows NT or later. |
Remarks
Platform Notes
.png "Silverlight for Windows Phone"){kind=icon}
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.