/// <summary>
/// Sort the contents of a TreeView alphabetically.
/// </summary>
/// <param name="treTree">TreeView to sort.</param>
private void SortTree(TreeView treTree)
{
List <TreeNode> lstNodes = new List <TreeNode>();
foreach (TreeNode objNode in treTree.Nodes)
{
lstNodes.Add(objNode);
}
treTree.Nodes.Clear();
try
{
SortByName objSort = new SortByName();
lstNodes.Sort(objSort.Compare);
}
catch
{
}
foreach (TreeNode objNode in lstNodes)
{
treTree.Nodes.Add(objNode);
}
}
/// <summary>
/// Sort the contents of a TreeView alphabetically within each group Node.
/// </summary>
/// <param name="treView">TreeView to sort.</param>
public static void SortCustom(this TreeView treView)
{
TreeNodeCollection lstTreeViewNodes = treView?.Nodes;
if (lstTreeViewNodes == null)
{
return;
}
SortByName objSort = new SortByName();
for (int i = 0; i < lstTreeViewNodes.Count; ++i)
{
TreeNode objLoopNode = lstTreeViewNodes[i];
TreeNodeCollection objLoopNodeChildren = objLoopNode.Nodes;
TreeNode[] lstNodes = new TreeNode[objLoopNodeChildren.Count];
objLoopNodeChildren.CopyTo(lstNodes, 0);
objLoopNodeChildren.Clear();
Array.Sort(lstNodes, objSort.Compare);
objLoopNodeChildren.AddRange(lstNodes);
objLoopNode.Expand();
}
}
/// <summary>
/// Sort the contents of a TreeView alphabetically within each group Node.
/// </summary>
/// <param name="treTree">TreeView to sort.</param>
public void SortTree(TreeView treTree)
{
for (int i = 0; i <= treTree.Nodes.Count - 1; i++)
{
List<TreeNode> lstNodes = new List<TreeNode>();
foreach (TreeNode objNode in treTree.Nodes[i].Nodes)
lstNodes.Add(objNode);
treTree.Nodes[i].Nodes.Clear();
try
{
SortByName objSort = new SortByName();
lstNodes.Sort(objSort.Compare);
}
catch
{
}
foreach (TreeNode objNode in lstNodes)
treTree.Nodes[i].Nodes.Add(objNode);
treTree.Nodes[i].Expand();
}
}
/// <summary>
/// Sort the contents of a TreeView alphabetically.
/// </summary>
/// <param name="treTree">TreeView to sort.</param>
private void SortTree(TreeView treTree)
{
List<TreeNode> lstNodes = new List<TreeNode>();
foreach (TreeNode objNode in treTree.Nodes)
lstNodes.Add(objNode);
treTree.Nodes.Clear();
try
{
SortByName objSort = new SortByName();
lstNodes.Sort(objSort.Compare);
}
catch
{
}
foreach (TreeNode objNode in lstNodes)
treTree.Nodes.Add(objNode);
}