C# RGB與16進位色彩轉換方法

#region [顏色：16進位轉成RGB]
        /// <summary>
        /// [顏色：16進位轉成RGB]
        /// </summary>
        /// <param name="strColor">設定16進位顏色 [返回RGB]</param>
        /// <returns></returns>
        public static System.Drawing.Color colorHx16toRGB(string strHxColor)
        {
            try
            {
                if (strHxColor.Length == 0)
                {//如果為空白
                    return System.Drawing.Color.FromArgb(0, 0, 0);//設為黑色
                }
                else
                {//轉換顏色
                    return System.Drawing.Color.FromArgb(System.Int32.Parse(strHxColor.Substring(1, 2), System.Globalization.NumberStyles.AllowHexSpecifier), System.Int32.Parse(strHxColor.Substring(3, 2), System.Globalization.NumberStyles.AllowHexSpecifier), System.Int32.Parse(strHxColor.Substring(5, 2), System.Globalization.NumberStyles.AllowHexSpecifier));
                }
            }
            catch
            {//設為黑色
                return System.Drawing.Color.FromArgb(0, 0, 0);
            }
        }
        #endregion

#region [顏色：RGB轉成16進位]
        /// <summary>
        /// [顏色：RGB轉成16進位]
        /// </summary>
        /// <param name="R">紅 int</param>
        /// <param name="G">綠 int</param>
        /// <param name="B">藍 int</param>
        /// <returns></returns>
        public static string colorRGBtoHx16(int R, int G, int B)
        {
            return System.Drawing.ColorTranslator.ToHtml(System.Drawing.Color.FromArgb(R, G, B));
        }
        #endregion