Path.GetTempFileName Path.GetTempFileName Path.GetTempFileName Path.GetTempFileName Method

Definition

Creates a uniquely named, zero-byte temporary file on disk and returns the full path of that file.

public:
 static System::String ^ GetTempFileName();
public static string GetTempFileName ();
static member GetTempFileName : unit -> string
Public Shared Function GetTempFileName () As String

Returns

The full path of the temporary file.

Exceptions

An I/O error occurs, such as no unique temporary file name is available.

-or-

This method was unable to create a temporary file.

Remarks

This method creates a temporary file with a .TMP file extension. The temporary file is created within the user's temporary folder, which is the path returned by the GetTempPath method.

The GetTempFileName method will raise an IOException if it is used to create more than 65535 files without deleting previous temporary files.

The GetTempFileName method will raise an IOException if no unique temporary file name is available. To resolve this error, delete all unneeded temporary files.

For a list of common I/O tasks, see Common I/O Tasks.

Security

FileIOPermission
for writing to the temporary directory. Associated enumeration: Write

Applies to

See also