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FileSystemInfo.LastWriteTime Property

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)

public DateTime LastWriteTime { get; internal set; }

Property Value

Type: System.DateTime
The time the current file was last written.

ExceptionCondition
IOException

Refresh cannot initialize the data.

PlatformNotSupportedException

The current operating system is not Microsoft Windows NT or later.

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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