MediaStreamContainer.PreferredFileExtension Property
Returns the default file extension for video files saved by this MediaStreamContainer.
Syntax: 
[C#]
public string PreferredFileExtension;
Limitations:

Read only.
Remarks:

The value of this property can be used for customizing a file saving dialog.

Information:

Introduced in version 3.1
See also: MediaStreamContainer

<< MediaStreamContainer