Solved

Ownerdraw combobox item height

Posted on 1998-07-24
3
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Last Modified: 2013-11-20
If combobox or listbox is defined as fixed ownerdraw, height of its items is changed by MFC.  I am doing the following thing for getting back normal size. But may be there is more simple or elegant solution.

  CClientDC dc(this);
  CFont* pOldFont = dc.SelectObject(GetFont());
  TEXTMETRIC tm;
  VERIFY (dc.GetTextMetrics ( &tm ));
   SetItemHeight (0, tm.tmHeight + 2);
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Question by:tflex
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3 Comments
 

Expert Comment

by:sheeba021198
ID: 1319698
u have to override the MeasureItem function of CComboBox for eg:
void CColorListBox::MeasureItem(LPMEASUREITEMSTRUCT lpMIS)
{
      // all items are of fixed size
      // must use LBS_OWNERDRAWVARIABLE for this to work
      lpMIS->itemHeight = COLOR_ITEM_HEIGHT  ;
      
}
I think this is what u needed
0
 

Author Comment

by:tflex
ID: 1319699
Sheeba,

1. What is COLOR_ITEM_HEIGHT?
I want the height to be exactly the same size like non-ownerdrawn item.

2. My ComboBox is not  LBS_OWNERDRAWVARIABLE. It is fixed.
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LVL 1

Accepted Solution

by:
timop earned 50 total points
ID: 1319700
Try this:
SetItemHeight ( -1, tm.tmHeight + 2);
0

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