private void LbxItemsDrawItem(object sender, DrawItemEventArgs e)
{
Rectangle outer = new Rectangle(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height);
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
e.Graphics.FillRectangle(SystemBrushes.Highlight, outer);
}
else
{
Brush b = new SolidBrush(BackColor);
e.Graphics.FillRectangle(b, outer);
b.Dispose();
}
Rectangle inner = new Rectangle(e.Bounds.X + 5, e.Bounds.Y + 1, e.Bounds.Width - 10, e.Bounds.Height - 3);
e.Graphics.FillRectangle(Brushes.White, inner);
e.Graphics.DrawRectangle(Pens.Black, inner);
IStroke stroke = _lbxItems.Items[e.Index] as IStroke;
if (stroke == null)
{
return;
}
GraphicsPath gp = new GraphicsPath();
gp.AddLine(new Point(e.Bounds.X + 10, e.Bounds.Y + e.Bounds.Height / 2), new Point(e.Bounds.Width - 10, e.Bounds.Y + e.Bounds.Height / 2));
stroke.DrawPath(e.Graphics, gp, 1);
gp.Dispose();
}
/// <summary>
/// This is an optional expression that allows drawing to the specified GraphicsPath.
/// Overriding this allows for unconventional behavior to be included, such as
/// specifying marker decorations, rather than simply returning a pen. A pen
/// is also returned publicly for convenience.
/// </summary>
/// <param name="g">The Graphics device to draw to</param>
/// <param name="path">the GraphicsPath to draw</param>
/// <param name="scaleWidth">This is 1 for symbolic drawing, but could be
/// any number for geographic drawing.</param>
public virtual void DrawPath(Graphics g, GraphicsPath path, double scaleWidth)
{
if (_innerStroke != null)
{
_innerStroke.DrawPath(g, path, scaleWidth);
return;
}
Pen p = ToPen(scaleWidth);
try
{
g.DrawPath(p, path);
}
catch (Exception ex)
{
Debug.WriteLine("Writeline Stroke.DrawPath:" + ex);
}
p.Dispose();
}
