'宣言 Public ReadOnly Property HistoryNext As ButtonPreviewElement
'使用法 Dim instance As RibbonElements Dim value As ButtonPreviewElement value = instance.HistoryNext
public ButtonPreviewElement HistoryNext {get;}
'宣言 Public ReadOnly Property HistoryNext As ButtonPreviewElement
'使用法 Dim instance As RibbonElements Dim value As ButtonPreviewElement value = instance.HistoryNext
public ButtonPreviewElement HistoryNext {get;}