ATL / WTL / STL

<br />
::DrawIconEx(hDC, 2, 2, hIcon, m_nButtonWidth, m_nButtonHeight, 0, NULL, DI_NORMAL);

---
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	HRESULT ToLower()<br />
	{<br />
		USES_CONVERSION;<br />
		if (m_str != NULL)<br />
		{<br />
			LPTSTR psz = CharLower(OLE2T(m_str));<br />
			if (psz == NULL)<br />
				return E_OUTOFMEMORY;<br />
			BSTR b = T2BSTR(psz);<br />
			if (psz == NULL)<br />
				return E_OUTOFMEMORY;<br />
			SysFreeString(m_str);<br />
			m_str = b;<br />
		}<br />
		return S_OK;<br />
	}<br />
<br />
	HRESULT ToUpper()<br />
	{<br />
		USES_CONVERSION;<br />
		if (m_str != NULL)<br />
		{<br />
			LPTSTR psz = CharUpper(OLE2T(m_str));<br />
			if (psz == NULL)<br />
				return E_OUTOFMEMORY;<br />
			BSTR b = T2BSTR(psz);<br />
			if (psz == NULL)				return E_OUTOFMEMORY;<br />
			SysFreeString(m_str);<br />
			m_str = b;<br />
		}<br />
		return S_OK;<br />
	}