public override void redo()
{
// Remove the child from the parent
if ((mParentNode != null) && (mDeletedNode != null))
{
mDeletedNodeIndex = mParentNode.indexOf(mDeletedNode);
mParentNode.removeChild(mDeletedNode);
TreeNode parentTreeNode = findTreeNode(mParentNode);
for (int i = 0; i < parentTreeNode.Nodes.Count; i++)
{
TreeNode curTreeNode = parentTreeNode.Nodes[i];
if (curTreeNode.Tag == mDeletedNode)
{
mDeletedTreeNodeIndex = i;
parentTreeNode.Nodes.Remove(curTreeNode);
break;
}
}
// Update parent tree node text
mParentNode.updateTreeNodeText(parentTreeNode);
}
}
public override void undo()
{
// Remove the child from the parent
if ((mParentNode != null) && (mAddedNode != null))
{
mParentNode.removeChild(mAddedNode);
TreeNode parentTreeNode = findTreeNode(mParentNode);
foreach (TreeNode curTreeNode in parentTreeNode.Nodes)
{
if (curTreeNode.Tag == mAddedNode)
{
parentTreeNode.Nodes.Remove(curTreeNode);
break;
}
}
// Update parent tree node text
mParentNode.updateTreeNodeText(parentTreeNode);
}
}