This event is fired every time a file is added to the library.

C# | Visual Basic |
public event Library..::..UpdateLibraryProgress OnUpdateLibraryProgress
Public Event OnUpdateLibraryProgress As Library..::..UpdateLibraryProgress
C# | Visual Basic |
public event Library..::..UpdateLibraryProgress OnUpdateLibraryProgress
Public Event OnUpdateLibraryProgress As Library..::..UpdateLibraryProgress