public override void undo()
{
if ((mNode != null) && (mNodeBeforeChanges != null))
{
mNode.copy(mNodeBeforeChanges);
TreeNode curTreeNode = findTreeNode(mNode);
mNode.updateTreeNodeText(curTreeNode);
}
}
public override void undo()
{
// Add the child back under the parent node
if ((mParentNode != null) && (mDeletedNode != null))
{
TreeNode parentTreeNode = findTreeNode(mParentNode);
TreeNode deletedTreeNode = mDeletedNode.createTreeNode();
mParentNode.insertChild(mDeletedNodeIndex, mDeletedNode);
parentTreeNode.Nodes.Insert(mDeletedTreeNodeIndex, deletedTreeNode);
// Update parent tree node text
mParentNode.updateTreeNodeText(parentTreeNode);
// Expand parent node, and expand all child node
parentTreeNode.Expand();
deletedTreeNode.ExpandAll();
}
}
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);
}
}