C#

private void listBox1_DrawItem(object sender, DrawItemEventArgs e)
	{
		e.DrawBackground();
			ListBox listBox = (ListBox)sender;
			bool selected = ((e.State & DrawItemState.Selected) == DrawItemState.Selected) ? true : false;

		string displayText = listBox.Items[e.Index].ToString();
		if(displayText.IndexOf("Sökresultat:") != -1)
		{
			if(selected == true)
			{
				e.Graphics.DrawString(displayText, new Font(this.Font, FontStyle.Bold), Brushes.White, e.Bounds);
			}
			else
			{
				e.Graphics.DrawString(displayText, new Font(this.Font, FontStyle.Bold), Brushes.Black, e.Bounds);
			}
		}
		else
		{
			if(selected == true)
			{
				e.Graphics.DrawString(displayText, this.Font, Brushes.White, e.Bounds);
			}
			else
			{
				e.Graphics.DrawString(displayText, this.Font, Brushes.Black, e.Bounds);
			}
		}		
	}