protected override void OnMouseLeave(EventArgs e)
{
base.OnMouseLeave(e);
_ActiveLabel = null;
}
void LegendPanel_MouseEnter(object sender, EventArgs e)
{
_ActiveLabel = sender as LegendLabel;
if (!_AllowHighlightingGraphs)
return;
LegendLabel lbl = sender as LegendLabel;
lbl.BackColor = _HighlightedColor;
if (OnLabelHilighted != null)
OnLabelHilighted((ILegendItem)lbl.Tag);
}
public void UpdateLegend()
{
foreach (LegendLabel lbl in _Labels)
lbl.Dispose();
_Labels.Clear();
int i = 0;
if (Items != null)
{
_AutoWidth = 0;
foreach (ILegendItem gr in Items)
{
LegendLabel lbl = new LegendLabel();
lbl.Parent = this;
lbl.SquareColor = gr.Color;
lbl.Text = gr.Hint;
lbl.Grayed = gr.Hidden;
lbl.Left = 0;
lbl.Top = i * lbl.Height + label1.Top;
lbl.Width = Width;
lbl.Anchor = AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top;
lbl.Tag = gr;
lbl.Cursor = Cursors.Arrow;
lbl.MouseClick += new MouseEventHandler(LegendPanel_MouseClick);
lbl.MouseEnter += new EventHandler(LegendPanel_MouseEnter);
lbl.MouseLeave += new EventHandler(LegendPanel_MouseLeave);
lbl.MouseMove += new MouseEventHandler(lbl_MouseMove);
lbl.MouseDown += new MouseEventHandler(lbl_MouseDown);
_AutoWidth = Math.Max(_AutoWidth, lbl.Left + lbl.MeasureWidth() + 10);
_AutoHeight = lbl.Bottom + 10;
lbl.Visible = true;
_Labels.Add(lbl);
i++;
}
label1.Visible = false;
}
if (i == 0)
{
label1.Visible = true;
_AutoWidth = label1.Right + 10;
_AutoHeight = label1.Bottom + 10;
}
if (_Autosize)
{
Width = _AutoWidth;
Height = _AutoHeight;
}
}