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