public static ColorStripMenuItem CreateCustomMenuItem(string text, System.Drawing.Color color, EventHandler handler)
{
ColorStripMenuItem item = new ColorStripMenuItem(color, text, handler);
item.ShowColorDialog = true;
return(item);
}
private void HandleMenuEvent(object sender, EventArgs args)
{
ColorStripMenuItem item = (ColorStripMenuItem)sender;
this.CenterColor = item.Color;
this.Invalidate();
if (ValueChanged != null)
{
ValueChanged(this, EventArgs.Empty);
}
}
protected override void OnClick(EventArgs e)
{
if (this.ContextMenuStrip == null)
{
ContextMenuStrip menu = new ContextMenuStrip();
EventHandler handler = new EventHandler(this.HandleMenuEvent);
menu.Items.Add(new ColorStripMenuItem(Color.Transparent, "Transparent", handler));
ColorStripMenuItem[] items = ColorStripMenuItem.CreateStandardItems(handler);
foreach (ColorStripMenuItem item in items)
{
menu.Items.AddRange(items);
}
menu.Items.Add(ColorStripMenuItem.CreateCustomMenuItem("Custom...", this.CenterColor, handler));
this.ContextMenuStrip = menu;
}
this.ContextMenuStrip.Show(this, 0, this.Height);
base.OnClick(e);
}