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