using System.Windows.Forms;

namespace Volian.Controls.Library
{
	public partial class vlnTreeView3 : TreeView
	{
		#region Events
		public event vlnTreeViewEvent NodeSelectionChange;
        private void OnNodeSelectionChange(object sender, vlnTreeEventArgs args) => NodeSelectionChange?.Invoke(sender, args);
        #endregion
        #region Business Methods
        #endregion
        #region Constructors
        public vlnTreeView3()
		{
			InitializeComponent();
			base.AfterSelect += new TreeViewEventHandler(tv_AfterSelect);
		}
        private void tv_AfterSelect(object sender, TreeViewEventArgs e) => OnNodeSelectionChange(sender, new vlnTreeEventArgs(e.Node));
        #endregion
        private void ExpandMatch(TreeNode tn1, TreeNode tn2)
		{
			if (tn2.IsExpanded) tn1.Expand();
			foreach (TreeNode tc in tn2.Nodes) ExpandMatch(tn1.Nodes[tc.Index], tc);
		}
		private bool IsChild(TreeNode parent, TreeNode child)
		{
			if (parent.Equals(child)) return true;// Check against self
			foreach (TreeNode tc in parent.Nodes) if (IsChild(tc, child)) return true;//Check all children
			return false;// Must not be a child at this level
		}
	}
}