private void ForceChildrenCaching(CollectionViewGroup[] groups)
{
List <AutomationPeer> subAutomationPeers = this.GetChildren();
foreach (CollectionViewGroup group in groups)
{
Debug.Assert(!(group is DataGridCollectionViewGroupRoot));
bool groupFound = false;
foreach (AutomationPeer automationPeer in subAutomationPeers)
{
DataGridGroupAutomationPeer groupAutomationPeer = automationPeer as DataGridGroupAutomationPeer;
if (groupAutomationPeer == null)
{
continue;
}
if (groupAutomationPeer.Owner.CollectionViewGroup == group)
{
subAutomationPeers = groupAutomationPeer.GetChildren();
groupFound = true;
break;
}
}
if (!groupFound)
{
break;
}
}
}
