protected override void OnRenderMenuItemBackground(ToolStripItemRenderEventArgs e)
{
Graphics g = e.Graphics;
ToolStripItem item = e.Item;
ToolStrip toolstrip = e.ToolStrip;
if (toolstrip is ToolStrip)
{
g.SmoothingMode = SmoothingMode.HighQuality;
//绘制选中项
if (item.Selected)
{
item.ForeColor = Color.White;
Image select = AssemblyHelper.GetImage("QQ.ContextMenu.menu_highlight.png");
Rectangle rect = new Rectangle(
item.ContentRectangle.X + 1,
item.ContentRectangle.Y,
item.ContentRectangle.Width - 1,
item.ContentRectangle.Height);
Rectangle imgRect = new Rectangle(0, 0, select.Width - 1, select.Height);
g.DrawImage(select, rect, imgRect, GraphicsUnit.Pixel);
}
else
{
item.ForeColor = Color.Black;
}
}
else
{
base.OnRenderMenuItemBackground(e);
}
}