'宣言 Public Class FramesCollectionBase(Of T As LiveTileContentBase) Inherits Infragistics.Win.UltraWinLiveTileView.IndexedCollectionBase(Of LiveTileFrame(Of T))
public class FramesCollectionBase<T> : Infragistics.Win.UltraWinLiveTileView.IndexedCollectionBase<LiveTileFrame<T>> where T: LiveTileContentBase