public static Windows.UI.Color ToColor(object value)
{
if (value is string)
{
Windows.UI.Color?nullable = FormatterColorHelper.FromStringValue(value.ToString());
if (nullable.HasValue)
{
return(nullable.Value);
}
}
else if (value is Windows.UI.Color)
{
return((Windows.UI.Color)value);
}
throw new InvalidCastException();
}
/// <summary>
/// Creates a new color format.
/// </summary>
/// <param name="token">The string expression for the color format.</param>
/// <remarks>Use a string expression such as "[red]" or "[blue]" to specify the color format.</remarks>
public ColorFormatPart(string token) : base(token)
{
this.foreColor = Colors.Black;
this.index = -1;
string color = DefaultTokens.TrimSquareBracket(token);
if ((color == null) || (color == string.Empty))
{
throw new ArgumentException(ResourceStrings.FormatterIllegaTokenError);
}
try
{
Windows.UI.Color?nullable = FormatterColorHelper.FromStringValue(color);
if (nullable.HasValue)
{
this.foreColor = nullable.Value;
this.colorName = color;
return;
}
if (color.Length > "Color".Length)
{
color = color.Remove(0, "Color".Length);
int result = -1;
if ((int.TryParse(color, out result) && (result >= 1)) && (result <= 0x38))
{
this.foreColor = FormatterColorHelper.ColorFromIndex(result);
this.index = result;
return;
}
}
}
catch
{
}
throw new ArgumentException(ResourceStrings.FormatterIllegaTokenError);
}