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