void RefreshSelection(int[] selection)
{
if (selection == null || selection.Length == 0)
{
// select all.
if (m_TreeViewDataSource.GetRows().Count > 0)
{
m_Selection = m_TreeViewDataSource.GetRows().Select(r => r.id).ToArray();
}
}
else
{
m_Selection = selection;
}
RefreshCurves();
}