'宣言 Protected ReadOnly Property DesignMode As System.Boolean
'使用法 Dim instance As C1PrintPreviewDialog Dim value As System.Boolean value = instance.DesignMode
protected System.bool DesignMode {get;}
            '宣言 Protected ReadOnly Property DesignMode As System.Boolean
'使用法 Dim instance As C1PrintPreviewDialog Dim value As System.Boolean value = instance.DesignMode
protected System.bool DesignMode {get;}