Persian Calendar with Tray Icon

��using System;

using System.Collections.Generic;

using System.Text;

using System.Globalization;



namespace mytray

{

    class CPersianCalender

    {



        const int PersianDiff = 226895; // Absolute days of start of Persian calendar

        HijriCalendar GhamariCalendar = new HijriCalendar();

        public	CPersianCalender(){}

        public void SetGhamariAdjust(int Adjust)

        {

            GhamariCalendar.HijriAdjustment = Adjust;



        }

        public int[] GetGhamariDate()

        {

            DateTime date = DateTime.Now;





            int[] d = new int[3];

            d[0] = GhamariCalendar.GetYear(date);

            d[1] = GhamariCalendar.GetMonth(date);

            d[2] = GhamariCalendar.GetDayOfMonth(date);

            return d;



        }

        /// <summary>

        /// convert shamsi to Gamari Date

        /// </summary>

        /// <param name="PersianYear"></param>

        /// <param name="PersianMon"></param>

        /// <param name="PersianDay"></param>

        /// <returns></returns>





        public int[] ConvertPersianTOGhamariDate(int PersianYear, int PersianMon, int PersianDay)

        {

            int[] ff = ConvertPersianTOGregorianDate(PersianYear, PersianMon, PersianDay);

            int yy = ff[0];

            int mm = ff[1];

            int dd = ff[2];

            DateTime date = new DateTime(yy, mm, dd);



                

            int[] d = new int[3];

            d[0] = GhamariCalendar.GetYear(date);

            d[1] = GhamariCalendar.GetMonth(date);

            d[2] = GhamariCalendar.GetDayOfMonth(date);

            return d;



        }



        /// <summary>

        /// returns DayOfWeek for the input date

        /// </summary>

        /// <param name="PersianDay"></param>

        /// <param name="PersianMonth"></param>

        /// <param name="PersianYear"></param>

        /// <returns></returns>

        public int GetDayOfWeek(int PersianDay,int PersianMonth,int PersianYear)

        {

            int[] ff = ConvertPersianTOGregorianDate(PersianYear, PersianMonth, PersianDay);

            int yy = ff[0];

            int mm = ff[1];

            int dd = ff[2];

            DateTime d1 = new DateTime(yy, mm, dd);

            

            int dayOfWeek = (int)d1.DayOfWeek;

            //change milady day of week to shamsi dayof week

            dayOfWeek = (dayOfWeek + 2) % 7;

            if (dayOfWeek <= 0)

                dayOfWeek = 7;

            return dayOfWeek;

        }

        public int[] GetPersianDate()

        {

            DateTime d1 = DateTime.Now;

            int days = GetGregorianAllDays(d1.Year, d1.Month, d1.Day);

            return GetPersianDate(days);

        }



      public int[] ConvertPersianTOGregorianDate(int PersianYear,int PersianMon,int PersianDay)

        {

             int days = GetPersianAllDays(PersianYear,PersianMon,PersianDay);

              return GetGregorianDate(days);

        }



        bool HasLeapFrac(int year)

        {

            double a = 31*((double)year+38)/128;

            if (a - (int)a < 0.31)

                return true;

            return false;

        }

        bool IsPersianLeapYear(int year)

        {

            if (HasLeapFrac(year) && !HasLeapFrac(year-1))

                return true;

            return false;

        }

        int GetDaysInPersianYear(int year)

        {

            if (IsPersianLeapYear(year) == true)

                return 366;

            return 365;

        }

public int GetDaysOfPersianMonth(int month, int year)

{

	if (month >= 1 && month < 7) return 31;

	if (month == 12)

	{

		if (IsPersianLeapYear(year) == true)

			return 30;

		else

			return 29;

	}

	return 30;

}





public int [] GetPersianDate(int days)

{

	int year = 1; int month = 1;

	int daysInNextYear = 365;

	while (days > daysInNextYear)

	{

		days -= daysInNextYear;

		year++;

		daysInNextYear = GetDaysInPersianYear(year);

	}

	//////////////////////////////////////////

	for (int i = 1; i<= 12; i++)

	{

		int monthdays = GetDaysOfPersianMonth(i,year);

        if (days > monthdays)

        {

            days -= monthdays;

            month++;

        }

        else

            break;

	}



    int[] d =new int[3];

    d[0] = year;

    d[1] = month;

    d[2] = days;

    return d;

}

int GetPersianAllDays(int year, int month ,int day)

{

	int days = 0;

	for (int i = 1 ; i<= year - 1 ; i++)

		days += GetDaysInPersianYear(i);



	for (int i = 1 ; i<= month - 1 ; i++)

		days += GetDaysOfPersianMonth(i,year);

	days += day;

	days +=PersianDiff;

	return days;

}



bool IsGregorianLeapYear(int year)

{

	if ((((year % 4) == 0) && ((year % 100) != 0))

		|| ((year % 400) == 0))

	{

		return true;

	}

	else

		return false;

}



int GetDaysInGregorianYear(int year)

{

	if (IsGregorianLeapYear(year) == true)

		return 366;

	return 365;

}





int GetDaysOfGregorianMonth(int month, int year)

{

	switch (month)

	{

	case 2:

		if (IsGregorianLeapYear(year) == true)

			return 29;

		else

			return 28;

	case 4:

	case 6:

	case 9:

	case 11: return 30;

	default: return 31;

	}

}





public int GetGregorianAllDays(int year, int month ,int day)

{

	int days = 0;

	for (int i = 1 ; i<= year - 1 ; i++)

		days +=GetDaysInGregorianYear(i);



	for ( int i = 1 ; i<= month - 1 ; i++)

		days += GetDaysOfGregorianMonth(i,year);

	days += day;

	days -=PersianDiff;

	return days;

}



  int [] GetGregorianDate(int days)

{

	int year = 1; int month = 1;

	int daysInNextYear = 365;

	while (days > daysInNextYear)

	{

		days -= daysInNextYear;

		year++;

		daysInNextYear = GetDaysInGregorianYear(year);

	}

	//////////////////////////////////////////



	for (int i = 1; i<= 12; i++)

	{

		int monthdays = GetDaysOfGregorianMonth(i,year);

        if (days > monthdays)

        {

            days -= monthdays;

            month++;

        }

        else break;

	}

   int[] d =new int[3];

    d[0] = year;

    d[1] = month;

    d[2] = days;

    return d;



}



        public string GetMonthName(int Month)

        {

            string strMonth="";

            switch (Month)

            {

                case 1:

                    strMonth = "A1H1/JF";

                    break;

                case 2:

                    strMonth = "'1/J(G4*";

                    break;

                case 3:

                    strMonth = ".1/'/";

                    break;

                case 4:

                    strMonth = "*J1";

                    break;

                case 5:

                    strMonth = "E1/'/";

                    break;

                case 6:

                    strMonth = "4G1JH1";

                    break;

                case 7:

                    strMonth = "EG1";

                    break;

                case 8:

                    strMonth = ""('F";

                    break;

                case 9:

                    strMonth = ""01";

                    break;

                case 10:

                    strMonth = "/J";

                    break;

                case 11:

                    strMonth = "(GEF";

                    break;

                case 12:

                    strMonth = "'3AF/";

                    break;



            }

            return strMonth;

        }

        public string GetGamariMonthName(int Month)

        {

            string strMonth = "";

            switch (Month)

            {

                case 1:

                    strMonth = "E-1E";

                    break;

                case 2:

                    strMonth = "5A1";

                    break;

                case 3:

                    strMonth = "1(J9 'D'HD";

                    break;

                case 4:

                    strMonth = "1(J9 'D+'FJ";

                    break;

                case 5:

                    strMonth = ",E'/I 'D'HDJ";

                    break;

                case 6:

                    strMonth = ",E'/I 'D+'FJ ";

                    break;

                case 7:

                    strMonth = "1,(";

                    break;

                case 8:

                    strMonth = "49('F";

                    break;

                case 9:

                    strMonth = "1E6'F";

                    break;

                case 10:

                    strMonth = "4H'D";

                    break;

                case 11:

                    strMonth = "0JB9/)";

                    break;

                case 12:

                    strMonth = "0J-,)";

                    break;



            }

            return strMonth;

        }

        public string GetDayOfWeekName(int Day)

        {

            string strDay = "";

            switch (Day)

            {

                case 1:

                    strDay = "4F(G";

                    break;

                case 2:

                    strDay = "JC 4F(G";

                    break;

                case 3:

                    strDay = "/H4F(G";

                    break;

                case 4:

                    strDay = "3G 4F(G";

                    break;

                case 5:

                    strDay = "�G'14F(G";

                    break;

                case 6:

                    strDay = "~F,4F(G";

                    break;

                case 7:

                    strDay = ",E9G";

                    break;

            }

            return strDay;



        }

        public String GetDayFullTooltip(int PersianDay,int PersianMonth,int PersianYear)

        {

            int DayOfweek = GetDayOfWeek(PersianDay, PersianMonth, PersianYear);



            string s = GetDayOfWeekName(DayOfweek) + " " + Convert.ToString(PersianDay) + " "

                + GetMonthName(PersianMonth) + " " + Convert.ToString(PersianYear);

            int[] ff = ConvertPersianTOGregorianDate(PersianYear, PersianMonth, PersianDay);

            int yy = ff[0];

            int mm = ff[1];

            int dd = ff[2];

            DateTime d1 = new DateTime(yy, mm, dd);



            int[] GhamariDate = ConvertPersianTOGhamariDate(PersianYear, PersianMonth, PersianDay);

    /*        s += "\n" + Convert.ToString(GhamariDate[2]);

            s += " " + GetGamariMonthName(GhamariDate[1]);

            s+= " " + Convert.ToString(GhamariDate[0]);

            */



            s += "\n" +GetDayOfWeekName(DayOfweek) + " "+ Convert.ToString(GhamariDate[2]) + " "

                          + GetGamariMonthName(GhamariDate[1])+" " + Convert.ToString(GhamariDate[0]);



            s += "\n" + Convert.ToString(yy) + "/"

              + Convert.ToString(mm) + "/" + Convert.ToString(dd);







            //s += "\n" + d1.ToLongDateString();

            return s;

 }

        public String GetDaySmallTooltip(int DayOfweek, int PersianDay, int PersianMonth, int PersianYear)

        {

            string s = GetDayOfWeekName(DayOfweek) + " " + Convert.ToString(PersianYear) + "/"

                + Convert.ToString(PersianMonth) + "/" + Convert.ToString(PersianDay);

            int[] GhamariDate = ConvertPersianTOGhamariDate(PersianYear, PersianMonth, PersianDay);

            s += "\n" +GetDayOfWeekName(DayOfweek) + " "+ Convert.ToString(GhamariDate[2]) + " "

                          + GetGamariMonthName(GhamariDate[1])+" " + Convert.ToString(GhamariDate[0]);





              return s;

        }



    }

    }