/// <summary> Initalizes a new instance. </summary>
public WebTreeNode(string itemID, string text, string toolTip, IconInfo icon)
{
ValidateItemId(itemID);
_itemID = itemID;
_text = text ?? string.Empty;
_toolTip = toolTip ?? string.Empty;
_icon = icon;
_children = new WebTreeNodeCollection(null);
_children.SetParent(null, this);
}
private void ValidateItemId(string value)
{
ArgumentUtility.CheckNotNullOrEmpty("value", value);
if (!string.IsNullOrEmpty(value))
{
WebTreeNodeCollection nodes = null;
if (ParentNode != null)
{
nodes = ParentNode.Children;
}
else if (TreeView != null)
{
nodes = TreeView.Nodes;
}
if (nodes != null)
{
if (nodes.Find(value) != null)
{
throw new ArgumentException("The collection already contains a node with ItemID '" + value + "'.", "value");
}
}
}
}
public WebTreeNode()
{
_children = new WebTreeNodeCollection(null);
_children.SetParent(null, this);
}