public static bool TryGetEnumValue(IXamlType enumType, string value, out object rv)
{
rv = null;
if (long.TryParse(value, out var parsedLong))
{
var enumTypeName = enumType.GetEnumUnderlyingType().Name;
rv = enumTypeName == "Int32" || enumTypeName == "UInt32" ?
unchecked ((int)parsedLong) :
(object)parsedLong;
return(true);
}
var values = enumType.CustomAttributes.Any(a => a.Type.Name == "FlagsAttribute") ?
value.Split(',').Select(x => x.Trim()).ToArray() :
new[] { value };
object cv = null;
for (var c = 0; c < values.Length; c++)
{
var enumValueField = enumType.Fields.FirstOrDefault(f => f.Name == values[c]);
if (enumValueField == null)
{
return(false);
}
var enumValue = GetLiteralFieldConstantValue(enumValueField);
if (c == 0)
{
cv = enumValue;
}
else
{
cv = Or(cv, enumValue);
}
}
rv = cv;
return(true);
}