AddWithWellKnownFolder method
Implementation
FolderId AddWithWellKnownFolder(WellKnownFolderName folderName) {
if (this.contains(folderName)) {
throw new ArgumentException("IdAlreadyInList($folderName");
}
FolderId folderId = new FolderId.fromWellKnownFolder(folderName);
this.InternalAdd(folderId);
return folderId;
}