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avoid assert in DoGetBestSize() for an empty tree

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43689 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2006-11-27 16:36:09 +00:00
parent b9643cd619
commit 16f32ee765
1 changed files with 3 additions and 1 deletions
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4
src/common/treebase.cpp
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@@ -162,7 +162,9 @@ wxSize wxTreeCtrlBase::DoGetBestSize() const
else // use precise, if potentially slow, size computation method else // use precise, if potentially slow, size computation method
{ {
// iterate over all items recursively // iterate over all items recursively
wxGetBestTreeSize(this, GetRootItem(), size); wxTreeItemId idRoot = GetRootItem();
if ( idRoot.IsOk() )
wxGetBestTreeSize(this, idRoot, size);
} }
// need some minimal size even for empty tree // need some minimal size even for empty tree