C# 颜色Color与16进制互转

        #region [颜色:16进制转成RGB]
        /// <summary>
        /// [颜色:16进制转成RGB]
        /// </summary>
        /// <param name="strColor">设置16进制颜色 [返回RGB]</param>
        /// <returns></returns>
        public static System.Drawing.Color colorHx16toRGB(string strHxColor)
        {
            try
            {
                if (strHxColor.Length == 0)
                {//如果为空
                    return System.Drawing.Color.FromArgb(0, 0, 0);//设为黑色
                }
                else
                {//转换颜色
                    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 {//设为黑色 return System.Drawing.Color.FromArgb(0, 0, 0); } } #endregion #region [颜色:RGB转成16进制] /// <summary> /// [颜色:RGB转成16进制] /// </summary> /// <param name="R">红 int</param> /// <param name="G">绿 int</param> /// <param name="B">蓝 int</param> /// <returns></returns> public static string colorRGBtoHx16(Color color) { if (color.IsEmpty) return "#000000"; return System.Drawing.ColorTranslator.ToHtml(color); } #endregion #region /// <summary> /// [颜色:RGB转成16进制] /// </summary> /// <param name="color">颜色</param> /// <returns>十六进制值,如果参数为空,默认返回#000000</returns> private static string ToHexColor(Color color) { if (color.IsEmpty) return "#000000"; string R = Convert.ToString(color.R, 16); if (R == "0") R = "00"; string G = Convert.ToString(color.G, 16); if (G == "0") G = "00"; string B = Convert.ToString(color.B, 16); if (B == "0") B = "00"; string HexColor = "#" + R + G + B; return HexColor.ToUpper(); } #endregion

 

posted @ 2014-03-14 13:58 Net-Spider 阅读(...) 评论(...)  编辑 收藏