Enhanced Windows Metafile (.emf) represents graphical images device-independently. Metafiles of EMF comprises of variable-length records in chronological order that can render the stored image after parsing on any output device.
Learn more about this file format here
GroupDocs.Viewer (in GroupDocs.Viewer.dll) Version: 20.6
public static readonly FileType EMF
Public Shared ReadOnly EMF As FileType
static initonly FileType^ EMF