Re: How can i set the style of a CTreeCtrl within a CTreeView ?
Also, the call to the OnInitialUpdate() of the base class, that is, the
following line of code,
CTreeView::OnInitialUpdate();
should be the last line of the overridden CMyTreeView::OnInitialUpdate()
instead of the first line
- Shoaib
"M. Shoaib Surya" <shoaibsurya@hotmail.com> wrote in message
news:OYueoWdtIHA.4560@TK2MSFTNGP03.phx.gbl...
You should call ModifyStyle() member function of CTreeCtrl to set the
style. The following line of code should achieve your purpose.
tree.ModifyStyle(NULL, TVS_HASLINES |TVS_LINESATROOT);
Regards,
Shoaib.
"PRMARJORAM" <PRMARJORAM@discussions.microsoft.com> wrote in message
news:7A2A351F-F074-48AA-8D67-B0EFC1C2A298@microsoft.com...
Im using a MFC CTreeView which fits nicely with what im trying to do. I
need
to change the style of the nested CTreeCtrl.
There is no easy way to do this, the documentation points to using
SetWindowLong.
void CMyTreeView::OnInitialUpdate()
{
CTreeView::OnInitialUpdate();
CTreeCtrl& tree = GetTreeCtrl();
HTREEITEM root_item = tree.InsertItem(CString("MyProject"));
HTREEITEM init_request = tree.InsertItem(CString("Item 1"), root_item);
HTREEITEM doc_package = tree.InsertItem(CString("Item 2"), root_item);
ASSERT(tree.GetSafeHwnd() != NULL );
::SetWindowLong(tree.GetSafeHwnd(),GWL_STYLE,TVS_HASLINES
|TVS_LINESATROOT);
}
Iv tried using this to set the styles as in the above code, but the
program
gets corrupted.
How can i set the style of a CTreeCtrl nested in a CTreeView?
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