private void BuildTagTree()
{
var uniqueTags = (from one in dataSet select one.Tag).Distinct(); //.OrderBy(name => name);
var roots = (from hier in displayHier where hier.Tag == null select hier);
var ents = (from hier in displayHier where uniqueTags.Contains(hier.Tag) select hier).ToArray();
List <TreeNode> nodes = new List <TreeNode>();
foreach (var treeHier in roots)
{
treeHier hier1 = treeHier;
TreeNode node = new TreeNode(hier1.Label)
{
Tag = hier1, Checked = true
};
var childs = (from hier in ents where hier.Tag != null && hier.Group == hier1.Group select hier);
foreach (var child in childs)
{
TreeNode cNode = new TreeNode(child.Label == "" ? child.Tag : child.Label)
{
Tag = child, Checked = true
};
node.Nodes.Add(cNode);
}
nodes.Add(node);
}
EventsPick.SuspendLayout();
EventsPick.Nodes.Clear();
EventsPick.Nodes.AddRange(nodes.ToArray());
EventsPick.ResumeLayout();
}
private List <string> GetCheckedEvents()
{
List <string> checkedEvents = new List <string>();
foreach (TreeNode node in EventsPick.Nodes)
{
foreach (TreeNode child in node.Nodes)
{
if (!child.Checked)
{
continue;
}
treeHier data = child.Tag as treeHier;
if (data != null && !string.IsNullOrEmpty(data.Tag))
{
checkedEvents.Add(data.Tag);
}
}
}
return(checkedEvents);
}
