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234 lines
9.0 KiB
234 lines
9.0 KiB
//
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// DateDifference.cs
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//
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// Author: Kees van Spelde <sicos2002@hotmail.com>
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//
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// Copyright (c) 2013-2018 Magic-Sessions. (www.magic-sessions.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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using System;
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using MsgReader.Localization;
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namespace MsgReader.Helpers
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{
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/// <summary>
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/// This class can be used to calculate the differences between 2 dates in years, months, weeks, days, hours and seconds
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/// </summary>
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internal class DateDifference
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{
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#region Properties
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public int Years { get; private set; }
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public int Months { get; private set; }
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public int Weeks { get; private set; }
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public int Days { get; private set; }
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public int Hours { get; private set; }
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public int Minutes { get; private set; }
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public int Seconds { get; private set; }
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#endregion
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#region ToString
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/// <summary>
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/// Returns the years, days, months, weeks, hours, minutes and seconds as a string.
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/// E.g. 1 year, 2 months, 3 weeks, 4 days, 5 hours, 6 minutes
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/// </summary>
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/// <returns></returns>
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public override string ToString()
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{
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var result = string.Empty;
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if (Years > 0)
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{
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if (Years == 1)
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result += Years + " " + LanguageConsts.DateDifferenceYearText;
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else
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result += Years + " " + LanguageConsts.DateDifferenceYearsText;
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}
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if (Months > 0)
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{
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if (!string.IsNullOrEmpty(result))
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result += ", ";
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if (Months == 1)
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result += Months + " " + LanguageConsts.DateDifferenceMonthText;
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else
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result += Months + " " + LanguageConsts.DateDifferenceMonthsText;
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}
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if (Weeks > 0)
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{
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if (!string.IsNullOrEmpty(result))
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result += ", ";
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if (Weeks == 1)
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result += Weeks + " " + LanguageConsts.DateDifferenceWeekText;
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else
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result += Weeks + " " + LanguageConsts.DateDifferenceWeeksText;
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}
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if (Days > 0)
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{
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if (!string.IsNullOrEmpty(result))
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result += ", ";
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if (Days == 1)
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result += Days + " " + LanguageConsts.DateDifferenceDayText;
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else
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result += Days + " " + LanguageConsts.DateDifferenceDaysText;
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}
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if (Hours > 0)
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{
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if (!string.IsNullOrEmpty(result))
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result += ", ";
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if (Hours == 1)
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result += Hours + " " + LanguageConsts.DateDifferenceHourText;
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else
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result += Hours + " " + LanguageConsts.DateDifferenceHoursText;
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}
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if (Minutes > 0)
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{
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if (!string.IsNullOrEmpty(result))
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result += ", ";
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if (Hours == 1)
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result += Minutes + " " + LanguageConsts.DateDifferenceMinuteText;
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else
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result += Minutes + " " + LanguageConsts.DateDifferenceMinutesText;
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}
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if (Seconds > 0)
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{
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if (!string.IsNullOrEmpty(result))
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result += ", ";
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if (Seconds == 1)
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result += Seconds + " " + LanguageConsts.DateDifferenceSecondText;
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else
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result += Seconds + " " + LanguageConsts.DateDifferenceSecondsText;
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}
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// Default result for 0 hours when there is no difference
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if (string.IsNullOrEmpty(result))
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result = "0 " + LanguageConsts.DateDifferenceHourText;
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return result;
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}
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#endregion
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#region Difference
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/// <summary>
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/// Calculates the difference between 2 dates in years, months, weeks, days, hours and seconds
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/// </summary>
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/// <param name="dateTime1"></param>
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/// <param name="dateTime2"></param>
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/// <returns></returns>
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public static DateDifference Difference(DateTime dateTime1, DateTime dateTime2)
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{
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if (dateTime1 > dateTime2)
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{
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var dtTemp = dateTime1;
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dateTime1 = dateTime2;
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dateTime2 = dtTemp;
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}
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var dateDiff = new DateDifference {Years = dateTime2.Year - dateTime1.Year};
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if (dateDiff.Years > 0)
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if (dateTime2.Month < dateTime1.Month)
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dateDiff.Years--;
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else if (dateTime2.Month == dateTime1.Month)
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if (dateTime2.Day < dateTime1.Day)
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dateDiff.Years--;
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else if (dateTime2.Day == dateTime1.Day)
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if (dateTime2.Hour < dateTime1.Hour)
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dateDiff.Years--;
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else if (dateTime2.Hour == dateTime1.Hour)
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if (dateTime2.Minute < dateTime1.Minute)
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dateDiff.Years--;
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else if (dateTime2.Minute == dateTime1.Minute)
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if (dateTime2.Second < dateTime1.Second)
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dateDiff.Years--;
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dateDiff.Months = dateTime2.Month - dateTime1.Month;
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if (dateTime2.Month < dateTime1.Month)
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dateDiff.Months = 12 - dateTime1.Month + dateTime2.Month;
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if (dateDiff.Months > 0)
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if (dateTime2.Day < dateTime1.Day)
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dateDiff.Months--;
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else if (dateTime2.Day == dateTime1.Day)
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if (dateTime2.Hour < dateTime1.Hour)
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dateDiff.Months--;
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else if (dateTime2.Hour == dateTime1.Hour)
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if (dateTime2.Minute < dateTime1.Minute)
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dateDiff.Months--;
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else if (dateTime2.Minute == dateTime1.Minute)
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if (dateTime2.Second < dateTime1.Second)
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dateDiff.Months--;
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dateDiff.Days = dateTime2.Day - dateTime1.Day;
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if (dateTime2.Day < dateTime1.Day)
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dateDiff.Days = DateTime.DaysInMonth(dateTime1.Year, dateTime1.Month) - dateTime1.Day + dateTime2.Day;
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if (dateDiff.Days > 0)
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if (dateTime2.Hour < dateTime1.Hour)
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dateDiff.Days--;
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else if (dateTime2.Hour == dateTime1.Hour)
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if (dateTime2.Minute < dateTime1.Minute)
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dateDiff.Days--;
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else if (dateTime2.Minute == dateTime1.Minute)
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if (dateTime2.Second < dateTime1.Second)
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dateDiff.Days--;
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dateDiff.Weeks = dateDiff.Days/7;
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dateDiff.Days = dateDiff.Days%7;
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dateDiff.Hours = dateTime2.Hour - dateTime1.Hour;
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if (dateTime2.Hour < dateTime1.Hour)
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dateDiff.Hours = 24 - dateTime1.Hour + dateTime2.Hour;
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if (dateDiff.Hours > 0)
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if (dateTime2.Minute < dateTime1.Minute)
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dateDiff.Hours--;
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else if (dateTime2.Minute == dateTime1.Minute)
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if (dateTime2.Second < dateTime1.Second)
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dateDiff.Hours--;
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dateDiff.Minutes = dateTime2.Minute - dateTime1.Minute;
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if (dateTime2.Minute < dateTime1.Minute)
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dateDiff.Minutes = 60 - dateTime1.Minute + dateTime2.Minute;
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if (dateDiff.Minutes > 0)
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if (dateTime2.Second < dateTime1.Second)
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dateDiff.Minutes--;
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dateDiff.Seconds = dateTime2.Second - dateTime1.Second;
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if (dateTime2.Second < dateTime1.Second)
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dateDiff.Seconds = 60 - dateTime1.Second + dateTime2.Second;
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return dateDiff;
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}
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#endregion
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}
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} |