public static bool TryParse(string input, IFormatProvider formatProvider, DateTimeStyles styles, out DateTimeOffset result)
{
result = MinValue;
styles = ValidateStyles(styles, nameof(styles));
var inputOffset = ParseOffset(input);
if (inputOffset.HasValue || (styles & DateTimeStyles.AssumeUniversal) > 0)
{
styles |= DateTimeStyles.AdjustToUniversal;
}
DateTime dtParsed;
if (!DateTime2.TryParse(input, DateTimeFormatInfo.GetInstance(formatProvider), styles, out dtParsed))
{
return(false);
}
if (inputOffset.HasValue)
{
result = new DateTimeOffset(dtParsed, inputOffset.Value, false);
}
else
{
result = new DateTimeOffset(dtParsed);
}
return(true);
}
public static bool TryParseExact(string input, string[] formats, IFormatProvider formatProvider, DateTimeStyles styles, out DateTimeOffset result)
{
if (formats == null)
{
throw new ArgumentNullException(nameof(formats));
}
if (formats.Length == 0)
{
throw new FormatException("The list of formats cannot be empty");
}
for (int i = 0; i < formats.Length; i++)
{
if (formats[i].Equals("u", StringComparison.Ordinal))
{
formats[i] = UtcFormatString + "Z";
}
else if (formats[i].Equals("r", StringComparison.OrdinalIgnoreCase))
{
formats[i] = RUtcFormatString + "z";
int gmtIndex = input.Length - 4;
if (input.IndexOf(" GMT") == gmtIndex)
{
input = string.Concat(input.Remove(gmtIndex), "+0");
}
}
}
result = MinValue;
styles = ValidateStyles(styles, nameof(styles));
var inputOffset = ParseOffset(input);
if (inputOffset.HasValue || (styles & DateTimeStyles.AssumeUniversal) > 0)
{
styles |= DateTimeStyles.AdjustToUniversal;
}
DateTime dtParsed;
if (!DateTime2.TryParseExact(input, formats, DateTimeFormatInfo.GetInstance(formatProvider), styles, out dtParsed))
{
return(false);
}
if (inputOffset.HasValue)
{
result = new DateTimeOffset(dtParsed, inputOffset.Value, false);
}
else
{
result = new DateTimeOffset(dtParsed);
}
return(true);
}
