TempFileCollection.AddExtension Method (String)
Adds a file name with the specified file name extension to the collection.
Assembly: System (in System.dll)
- Type: System.String
The file name extension for the auto-generated temporary file name to add to the collection.
Return ValueType: System.String
A file name with the specified extension that was just added to the collection.
This method returns a file name with the specified extension that has been added to the temporary files collection. Other code must still create the file before it can be used.
This method can be called only once for each file name extension, because it will return the same name if it is called with the same extension.