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public
static string ToHtmlColor(string
colorName) {
try
{
if
(colorName.StartsWith("#"))
colorName = colorName.Replace("#", string.Empty);
int
v = int.Parse(colorName, System.Globalization.NumberStyles.HexNumber);
Color col = Color.FromArgb
(
Convert.ToByte((v >> 24) & 255),
Convert.ToByte((v >> 16) & 255),
Convert.ToByte((v >> 8) & 255),
Convert.ToByte((v >> 0) & 255)
);
int
alpha = col.A;
var
red = Convert.ToString(col.R, 16); ;
var
green = Convert.ToString(col.G, 16);
var
blue = Convert.ToString(col.B, 16);
return
string.Format("#{0}{1}{2}", red, green, blue);
}
catch
{
return
"black";
}
}
public
static String ColorToStr(System.Drawing.Color color)
{
try
{
string
color_s = System.Drawing.ColorTranslator.ToHtml(color);
color_s = color_s.Substring(1, color_s.Length - 1);
return
"#" + Convert.ToString(Convert.ToInt32(color_s, 16) + 40000, 16);
}
catch
{
return
"black";
}
}
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