Introduction - If you have any usage issues, please Google them yourself
Beautify the ComboBox form the drop-down list box drop-down items coloring, so that the amount of data is more easier to distinguish and value. private static Brush [] listBoxBrushes //The array is used to store drawing listBox1 background Brush object private static int place =-1 //color position value private static bool naught = true //determine whether to redraw Category ( redraw Settings " ), Description (" to determine whether the gradient settings " )]// In the Properties window display DataStyle property