Posted on 1998-03-11
Medium Priority
Last Modified: 2013-11-20
I would like to use a header in my CScrollView.  First, I derived a class from CHeaderCtrl, and
overrided the CHeaderCtrl::DrawItem.  Then I in my view class, I declared an object of
that derived class called "header:"  In my view's OnInitialUpdate, I make the following

int status = header.Create(HDS_HORZ | CCS_TOP | WS_VISIBLE, rect, CWnd::GetParent(), 1);
hd.pszText = "Item #";
hd.cchTextMax = 7;
hd.mask = HDI_TEXT;
HD_ITEM *hd_ptr = &hd;
header.InsertItem(0, hd_ptr);
ds.itemAction = ODA_DRAWENTIRE;
DRAWITEMSTRUCT *d_ptr = &ds;

Yet, all I get in the view is a grey rectangle.  What do I need to put in my override of the
DrawItem function to make this work? If this is not the problem, then what is?

Thanks in Advance!!
Question by:mulshine
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LVL 23

Accepted Solution

chensu earned 120 total points
ID: 1316918
CWnd::GetParent() returns the parent window of the view. You should use this. You also need to apply WS_CHILD style.

int status = header.Create(HDS_HORZ | CCS_TOP | WS_VISIBLE | WS_CHILD, rect, this, 1);

You should have the fmt member set to the HDF_OWNERDRAW value.

And DrawItem() will be called by the framework. You should not call it. You just override it and do what you want to do.
LVL 23

Expert Comment

ID: 1316919
hd.mask = HDI_TEXT | HDI_FORMAT;

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