using System; using System.Collections.Generic; using System.Text; using System.Drawing; namespace Examples { public static class Utilities { /// <summary> /// Converts a System.Drawing.Color to a System.Int32. /// </summary> /// <param name="c">The System.Drawing.Color to convert.</param> /// <returns>A System.Int32 containing the R, G, B, A values of the /// given System.Drawing.Color in the Rbga32 format.</returns> public static int ColorToRgba32(Color c) { return (int)((c.A << 24) | (c.B << 16) | (c.G << 8) | c.R); } } }