public WMPLib.IWMPPlaylist byArtist(string filter)
{
WMPLib.IWMPMediaCollection2 collection = null;
collection = (WMPLib.IWMPMediaCollection2)Player.mediaCollection;
WMPLib.IWMPQuery query = collection.createQuery();
if (filter.Length > 0)
{
query.addCondition("Artist", "BeginsWith", filter);
query.beginNextGroup();
query.addCondition("Artist", "Contains", " " + filter);
}
return(collection.getPlaylistByQuery(query, "Audio", "", false));
}
public OpResult listArtistsOnly(OpResult or, string filter)
{
WMPLib.IWMPMediaCollection2 collection = null;
collection = (WMPLib.IWMPMediaCollection2)Player.mediaCollection;
WMPLib.IWMPQuery query = collection.createQuery();
WMPLib.IWMPStringCollection artists = null;
if (filter.Length > 0)
{
query.addCondition("Artist", "Contains", filter);
}
artists = collection.getStringCollectionByQuery("Artist", query, "Audio", "", true);
for (int j = 0; j < artists.count; j++)
{
or.AppendFormat("artist={0}", artists.Item(j));
}
return(or);
}