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