Method SetButtonStructSize

src/Setup/wtl90/atlctrls.h:5390–5394

	}

	void SetButtonStructSize(int nSize = sizeof(TBBUTTON))
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, TB_BUTTONSTRUCTSIZE, nSize, 0L);
	}

	BOOL SetButtonSize(SIZE size)
	{