void mniUnhideRows_Click(object sender, EventArgs e)
{
List <KeyValuePair <TreeListNode, TreeListNode> > rangesOfHiddenNodes = new List <KeyValuePair <TreeListNode, TreeListNode> >();
TreeListManager.GetRangesOfHiddenNodes(_mainForm.treeList.Nodes, ref rangesOfHiddenNodes);
UnhideRowsForm unhideRowForm = new UnhideRowsForm(rangesOfHiddenNodes, _mainForm.GetTreeListManager());
if (unhideRowForm.ShowDialog() == DialogResult.Cancel)
{
return;
}
_mainForm.ClearCellSelection();
_mainForm.treeList.BeginUpdate();
foreach (KeyValuePair <TreeListNode, TreeListNode> fromNodeToNode in unhideRowForm.GetRangesOfNodesToHide())
{
_mainForm.GetTreeListManager().UnhideNodeRange(fromNodeToNode.Key, fromNodeToNode.Value);
}
_mainForm.treeList.EndUpdate();
}
