C# TimeSpanStyles类代码示例

        public static TimeSpan? TryParseExactNullable(string value, string format, IFormatProvider provider, TimeSpanStyles styles)
        {
            TimeSpan result;
            if (!TimeSpan.TryParseExact(value, format, provider, styles, out result))
                return null;

            return result;
        }

 internal static TimeSpan ParseExactMultiple(string input, string[] formats, IFormatProvider formatProvider, TimeSpanStyles styles)
 {
     TimeSpanResult result = new TimeSpanResult();
     result.Init(TimeSpanThrowStyle.All);
     if (!TryParseExactMultipleTimeSpan(input, formats, formatProvider, styles, ref result))
     {
         throw result.GetTimeSpanParseException();
     }
     return result.parsedTimeSpan;
 }

 public TimeSpan ParseExact(IEnumerable<string> formats, TimeSpanStyles styles, TimeSpan defaultValue = default(TimeSpan))
 {
     return ParseExact(formats, CultureInfo.CurrentCulture, styles, defaultValue);
 }

	void TryParseExactHelper (string input, string [] formats, bool error, string expected, IFormatProvider formatProvider = null,
			TimeSpanStyles styles = TimeSpanStyles.None)
	{
		TimeSpan result;
		bool success;

		success = TimeSpan.TryParseExact (input, formats, formatProvider, styles, out result);
		Assert.AreEqual (!error, success);
		if (!error)
			Assert.AreEqual (expected, result.ToString ());
	}

 private static bool TryParseExactMultipleTimeSpan(string input, string[] formats, IFormatProvider formatProvider, TimeSpanStyles styles, ref TimeSpanResult result)
 {
     if (input == null)
     {
         result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, "input");
         return false;
     }
     if (formats == null)
     {
         result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, "formats");
         return false;
     }
     if (input.Length == 0)
     {
         result.SetFailure(ParseFailureKind.Format, "Format_BadTimeSpan");
         return false;
     }
     if (formats.Length == 0)
     {
         result.SetFailure(ParseFailureKind.Format, "Format_BadFormatSpecifier");
         return false;
     }
     for (int i = 0; i < formats.Length; i++)
     {
         if ((formats[i] == null) || (formats[i].Length == 0))
         {
             result.SetFailure(ParseFailureKind.Format, "Format_BadFormatSpecifier");
             return false;
         }
         TimeSpanResult result2 = new TimeSpanResult();
         result2.Init(TimeSpanThrowStyle.None);
         if (TryParseExactTimeSpan(input, formats[i], formatProvider, styles, ref result2))
         {
             result.parsedTimeSpan = result2.parsedTimeSpan;
             return true;
         }
     }
     result.SetFailure(ParseFailureKind.Format, "Format_BadTimeSpan");
     return false;
 }

        internal static Boolean TryParseExactMultiple(String input, String[] formats, IFormatProvider formatProvider, TimeSpanStyles styles, out TimeSpan result) {
            TimeSpanResult parseResult = new TimeSpanResult();
            parseResult.Init(TimeSpanThrowStyle.None);

            if (TryParseExactMultipleTimeSpan(input, formats, formatProvider, styles, ref parseResult)) {
                result = parseResult.parsedTimeSpan;
                return true;
            }
            else {
                result = default(TimeSpan);
                return false;
            }
        }

        //
        //  TryParseExactMultipleTimeSpan
        //
        //  Actions: Common private ParseExactMultiple method called by both ParseExactMultiple and TryParseExactMultiple
        // 
        private static Boolean TryParseExactMultipleTimeSpan(String input, String[] formats, IFormatProvider formatProvider, TimeSpanStyles styles, ref TimeSpanResult result) {
            if (input == null) {
                result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, nameof(input));
                return false;
            }
            if (formats == null) {
                result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, nameof(formats));
                return false;
            }

            if (input.Length == 0) {
                result.SetFailure(ParseFailureKind.Format, "Format_BadTimeSpan");
                return false;
            }

            if (formats.Length == 0) {
                result.SetFailure(ParseFailureKind.Format, "Format_BadFormatSpecifier");
                return false;
            }

            //
            // Do a loop through the provided formats and see if we can parse succesfully in
            // one of the formats.
            //
            for (int i = 0; i < formats.Length; i++) {
                if (formats[i] == null || formats[i].Length == 0) {
                    result.SetFailure(ParseFailureKind.Format, "Format_BadFormatSpecifier");
                    return false;
                }

                // Create a new non-throwing result each time to ensure the runs are independent.
                TimeSpanResult innerResult = new TimeSpanResult();
                innerResult.Init(TimeSpanThrowStyle.None);

                if(TryParseExactTimeSpan(input, formats[i], formatProvider, styles, ref innerResult)) {
                    result.parsedTimeSpan = innerResult.parsedTimeSpan;
                    return true;
                }
            }

            result.SetFailure(ParseFailureKind.Format, "Format_BadTimeSpan");
            return (false);
        }

        //
        //  TryParseExactTimeSpan
        //
        //  Actions: Common private ParseExact method called by both ParseExact and TryParseExact
        // 
        private static Boolean TryParseExactTimeSpan(String input, String format, IFormatProvider formatProvider, TimeSpanStyles styles, ref TimeSpanResult result) {
            if (input == null) {
                result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, nameof(input));
                return false;
            }
            if (format == null) {
                result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, nameof(format));
                return false;
            }
            if (format.Length == 0) {
                result.SetFailure(ParseFailureKind.Format, "Format_BadFormatSpecifier");
                return false;
            }

            if (format.Length == 1) {
                TimeSpanStandardStyles style = TimeSpanStandardStyles.None;

                if (format[0] == 'c' || format[0] == 't' || format[0] == 'T') {
                    // fast path for legacy style TimeSpan formats.
                    return TryParseTimeSpanConstant(input, ref result);
                }
                else if (format[0] == 'g') {
                    style = TimeSpanStandardStyles.Localized;
                }
                else if (format[0] == 'G') {
                    style = TimeSpanStandardStyles.Localized | TimeSpanStandardStyles.RequireFull;
                }
                else {
                    result.SetFailure(ParseFailureKind.Format, "Format_BadFormatSpecifier");
                    return false;
                }
                return TryParseTimeSpan(input, style, formatProvider, ref result);
            }
           
            return TryParseByFormat(input, format, styles, ref result);
        }

 public static Boolean TryParseTimeSpanExactMultiple(String value, String[] formats, IFormatProvider provider, TimeSpanStyles styles, out TimeSpan result)
 {
     return FormatProvider.TimeSpanParse.TryParseExactMultiple(value, formats, provider, styles, out result);
 }

 public static TimeSpan ParseTimeSpanExact(String value, String format, IFormatProvider provider, TimeSpanStyles styles)
 {
     return FormatProvider.TimeSpanParse.ParseExact(value, format, provider, styles);
 }

 public static TimeSpan TryParseExactDefault(string value, IEnumerable<string> formats, IFormatProvider provider, TimeSpanStyles styles, TimeSpan defaultValue)
 {
     TimeSpan result;
     return !TimeSpan.TryParseExact(value, formats.ToArray(), provider, styles, out result) ? defaultValue : result;
 }

 public TimeSpan ParseExactCulture(IEnumerable<string> formats, TimeSpanStyles styles = TimeSpanStyles.None)
 {
     return ParseExact(formats, CultureInfo.CurrentCulture, styles);
 }

 public TimeSpan ParseExact(IEnumerable<string> formats, IFormatProvider provider, TimeSpanStyles styles = TimeSpanStyles.None)
 {
     return TimeSpan.ParseExact(_input, formats.ToArray(), provider, styles);
 }

 private static bool TryParseExactTimeSpan(string input, string format, IFormatProvider formatProvider, TimeSpanStyles styles, ref TimeSpanResult result)
 {
     if (input == null)
     {
         result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, "input");
         return false;
     }
     if (format == null)
     {
         result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, "format");
         return false;
     }
     if (format.Length == 0)
     {
         result.SetFailure(ParseFailureKind.Format, "Format_BadFormatSpecifier");
         return false;
     }
     if (format.Length != 1)
     {
         return TryParseByFormat(input, format, styles, ref result);
     }
     TimeSpanStandardStyles none = TimeSpanStandardStyles.None;
     if (((format[0] == 'c') || (format[0] == 't')) || (format[0] == 'T'))
     {
         return TryParseTimeSpanConstant(input, ref result);
     }
     if (format[0] == 'g')
     {
         none = TimeSpanStandardStyles.Localized;
     }
     else if (format[0] == 'G')
     {
         none = TimeSpanStandardStyles.RequireFull | TimeSpanStandardStyles.Localized;
     }
     else
     {
         result.SetFailure(ParseFailureKind.Format, "Format_BadFormatSpecifier");
         return false;
     }
     return TryParseTimeSpan(input, none, formatProvider, ref result);
 }

 public TimeSpan ParseExactCulture(string format, TimeSpanStyles styles, TimeSpan defaultValue = default(TimeSpan))
 {
     return ParseExact(format, CultureInfo.CurrentCulture, styles, defaultValue);
 }