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HScroll in list box

Posted on 2000-05-02
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Last Modified: 2013-11-20
hey guys,
i have CListBox on a dialog, i want it to has HScroll bar so i can see the rest of the string in the box...

what should i do ???

Shay
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Question by:Shay050799
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4 Comments
 
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Accepted Solution

by:
Sadhu earned 600 total points
ID: 2770801
use SetHorizontalExtent( int cxExtent )

to set extent



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Expert Comment

by:Sadhu
ID: 2770817
you could write function similar to following to calcualte extent for string.
LONG YourClass::GetExtentForString(LPCTSTR lpszItem)
{
    CDC* cdc=this->GetDC();
    CFont* font = this->GetFont();
    CFont* pOldFont;

    if (font)
     {
        pOldFont = cdc->SelectObject(font);

          TEXTMETRIC tm;
          cdc->GetTextMetrics(&tm);

          CSize size = cdc->GetTextExtent(lpszItem, lstrlen(lpszItem) );
          size.cx += tm.tmAveCharWidth;

          cdc->SelectObject(pOldFont);
          this->ReleaseDC(cdc);

          return (LONG) size.cx;
     }

     this->ReleaseDC(cdc);

     return 0L;
}

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Expert Comment

by:Sadhu
ID: 2770849
Also do not forget to check box for auto horizontal scroll bar in your list box properties.

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Author Comment

by:Shay050799
ID: 2771116
Sadhu  answer was excelent,thanks a lot
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