private static DateFormatResult GetStandardFormat(char c, IFormatProvider provider)
{
DateTimeFormatInfo dtfi = null;
if (provider != null)
{
dtfi = (DateTimeFormatInfo)provider.GetFormat(typeof(DateTimeFormatInfo));
}
if (dtfi == null)
{
dtfi = DateTimeFormatInfo.CurrentInfo;
}
DateFormat df = null;
bool useUtc = false;
switch (c)
{
case 'd':
df = dtfi.CreateDateFormat(DateFormat.SHORT, -1);
break;
case 'D':
df = dtfi.CreateDateFormat(DateFormat.LONG, -1);
break;
case 'f':
df = dtfi.CreateDateFormat(DateFormat.LONG, DateFormat.SHORT);
break;
case 'F':
df = dtfi.CreateDateFormat(DateFormat.LONG, DateFormat.LONG);
break;
case 'g':
df = dtfi.CreateDateFormat(DateFormat.SHORT, DateFormat.SHORT);
break;
case 'G':
df = dtfi.CreateDateFormat(DateFormat.SHORT, DateFormat.LONG);
break;
case 't':
df = dtfi.CreateDateFormat(-1, DateFormat.SHORT);
break;
case 'T':
df = dtfi.CreateDateFormat(-1, DateFormat.LONG);
break;
case 'U':
df = dtfi.CreateDateFormat(DateFormat.LONG, DateFormat.LONG);
useUtc = true;
break;
}
if (df != null)
{
return(new DateFormatResult(df, false, useUtc));
}
return(null);
}