protected override void OnRenderMenuItemBackground(ToolStripItemRenderEventArgs e)
{
var g = e.Graphics;
g.Clear(MaterialSkinManager.GetApplicationBackgroundColor());
//Draw background
var itemRect = GetItemRect(e.Item);
g.FillRectangle(e.Item.Selected && e.Item.Enabled ? MaterialSkinManager.GetCmsSelectedItemBrush() : new SolidBrush(MaterialSkinManager.GetApplicationBackgroundColor()), itemRect);
//Ripple animation
var toolStrip = e.ToolStrip as MaterialContextMenuStrip;
if (toolStrip != null)
{
var animationManager = toolStrip.animationManager;
var animationSource = toolStrip.animationSource;
if (toolStrip.animationManager.IsAnimating() && e.Item.Bounds.Contains(animationSource))
{
for (int i = 0; i < animationManager.GetAnimationCount(); i++)
{
var animationValue = animationManager.GetProgress(i);
var rippleBrush = new SolidBrush(Color.FromArgb((int)(51 - (animationValue * 50)), Color.Black));
var rippleSize = (int)(animationValue * itemRect.Width * 2.5);
g.FillEllipse(rippleBrush, new Rectangle(animationSource.X - rippleSize / 2, itemRect.Y - itemRect.Height, rippleSize, itemRect.Height * 3));
}
}
}
}
