C / C++ / MFC

#include <iostream><br />
<br />
then cout << ... << endl;  

void DlgFlexListSelectValue::SetHorizontalScrollBar(){<br />
	//Next is to set the horizontal scroll bar<br />
	//Find the longest string in the list box.<br />
	CString str;<br />
	CSize sz;<br />
	int dx = 0;<br />
	TEXTMETRIC tm;<br />
	CDC* pDC = m_valueList.GetDC();<br />
	CFont* pFont = m_valueList.GetFont();<br />
<br />
	//Select the listbox font, save the old font<br />
	CFont* pOldFont = pDC->SelectObject(pFont);<br />
	//Get the text metrics for avg char width<br />
	pDC->GetTextMetrics(&tm); <br />
<br />
	for(int i = 0; i < m_valueList.GetCount(); i++){<br />
		m_valueList.GetText(i, str);<br />
		sz = pDC->GetTextExtent(str);<br />
<br />
		//Add the avg width to prevent clipping<br />
		sz.cx += tm.tmAveCharWidth;<br />
<br />
		if(sz.cx > dx){<br />
			dx = sz.cx;<br />
		}											//end if<br />
	}												//end for<br />
<br />
	//Select the old font back into the DC<br />
	pDC->SelectObject(pOldFont);<br />
	m_valueList.ReleaseDC(pDC);<br />
	//Set the horizontal extent so every character of all strings <br />
	//can be scrolled to.<br />
	m_valueList.SetHorizontalExtent(dx);<br />
}													//end function SetHorizontalScrollBar