in UWP "knownfolders.VideoLibrary", what exact folders does this pickup ? musiclibrary picks all music present on the hard drive, but VideosLibrary seems to pick only 2 folders on my harddrive which have videos. but there are other folders as well and they are not being picked. here is the code.
var files = await KnownFolders.VideosLibrary.GetFilesAsync(
Windows.Storage.Search.CommonFileQuery.OrderByDate);
Include the other folders into the Video Library.
Right Click a folder containing videos -> Include in library -> video.
You can prompt user to select a folder and add the folder to the video library like this: