protected void SelectNode(IRow key)
{
if (_findingKey || (_link.DataSet.State == DataSetState.Insert) || ((SelectedNode != null) && ((DBTreeNode)SelectedNode).KeyEquals(key)))
{
return;
}
_dataSettingSelected = true;
try
{
// Given a key value, build only that portion of the tree required to discover the location of the node
DBTreeNode node = FindNode(key);
if (node != null)
{
SelectedNode = node;
}
else
{
ArrayList path = new ArrayList();
BuildParentPath((IRow)key.Copy(), path);
try
{
BeginUpdate();
try
{
for (int index = path.Count - 1; index >= 0; index--)
{
if (index == path.Count - 1)
{
node = FindChild((IRow)path[index]);
if ((node == null) && !_selecting)
{
UpdateTree();
_selecting = true;
try
{
SelectNode(key);
}
finally
{
_selecting = false;
}
return;
}
}
else
{
node = node.FindChild((IRow)path[index]);
}
if (node == null)
{
throw new ControlsException(ControlsException.Codes.TreeViewUnconnected);
}
if (index == 0)
{
SelectedNode = node;
}
else
{
node.BuildChildren();
}
}
}
finally
{
EndUpdate();
}
}
finally
{
for (int index = 0; index < path.Count; index++)
{
((IRow)path[index]).Dispose();
}
}
}
}
finally
{
_dataSettingSelected = false;
}
}