protected override void OnMouseDown(MouseEventArgs e)
{
this.Focus();
float x = e.X;
float y = e.Y;
x = (x - dx) / scale;
y = (y - dy) / scale;
this.lastX = e.X;
this.lastY = e.Y;
if (tree == null) return;
Tree node = tree.Select(x, y);
if ((node == null || node.State == TreeState.Current) && this.CurrentSelect != null)
{
this.CurrentSelect.State = TreeState.Normal;
this.CurrentSelect = null;
this.Refresh();
}
if (node != null && node != this.CurrentSelect)
{
if (node.State != TreeState.Current)
{
if (this.CurrentSelect != null)
{
this.CurrentSelect.State = TreeState.Normal;
}
this.CurrentSelect = node;
this.CurrentSelect.State = TreeState.Selected;
this.CurrentHover = null;
this.Refresh();
if (this.NodeClick != null)
{
this.NodeClick.Invoke(node.Event);
}
}
else
{
if (this.NodeClick != null)
{
this.NodeClick.Invoke(node.Event);
}
}
}
}
public void SetTree(Tree tree)
{
this.tree = tree;
this.Refresh();
}
public void Add(Tree node)
{
this.Children.Add(node);
}