[36] | 1 | ' Classes/System/DateTime.ab
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| 2 |
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| 3 | Class DateTime
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| 4 | m_Date As Int64
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| 5 | Public
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[209] | 6 | Static MaxValue = 3162240000000000000 As Int64 'Const TicksPerDay*366*10000
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| 7 | Static MinValue = 316224000000000 As Int64 'Const TicksPerDay*366
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[36] | 8 |
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[163] | 9 | Sub DateTime()
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[209] | 10 | initialize(MinValue, DateTimeKind.Unspecified)
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[163] | 11 | End Sub
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| 12 |
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[36] | 13 | Sub DateTime(ticks As Int64)
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[209] | 14 | initialize(ticks, DateTimeKind.Unspecified)
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[36] | 15 | End Sub
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| 16 |
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| 17 | Sub DateTime(ticks As Int64, kind As DateTimeKind)
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[209] | 18 | initialize(ticks, kind)
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[36] | 19 | End Sub
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| 20 |
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| 21 | Sub DateTime(year As Long, month As Long, day As Long)
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[209] | 22 | initialize(year, month, day, 0, 0, 0, 0, DateTimeKind.Unspecified)
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[36] | 23 | End Sub
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| 24 |
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| 25 | Sub DateTime(year As Long, month As Long, day As Long, kind As DateTimeKind)
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[209] | 26 | initialize(year, month, day, 0, 0, 0, 0, kind)
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[36] | 27 | End Sub
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| 28 |
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| 29 | Sub DateTime(year As Long, month As Long, day As Long, hour As Long, minute As Long, second As Long)
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[209] | 30 | initialize(year, month, day, hour, minute, second, 0, DateTimeKind.Unspecified)
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[36] | 31 | End Sub
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| 32 |
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[103] | 33 | Sub DateTime(year As Long, month As Long, day As Long, hour As Long, minute As Long, second As Long, kind As DateTimeKind)
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[209] | 34 | initialize(year, month, day, hour, minute, second, 0, kind)
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[103] | 35 | End Sub
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[36] | 36 |
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| 37 | Sub DateTime(year As Long, month As Long, day As Long, hour As Long, minute As Long, second As Long, millisecond As Long)
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[209] | 38 | initialize(year, month, day, hour, minute, second, millisecond, DateTimeKind.Unspecified)
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[36] | 39 | End Sub
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| 40 |
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| 41 | Sub DateTime(year As Long, month As Long, day As Long, hour As Long, minute As Long, second As Long, millisecond As Long, kind As DateTimeKind)
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[209] | 42 | initialize(year, month, day, hour, minute, second, millisecond, kind)
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[36] | 43 | End Sub
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| 44 |
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| 45 | Sub DateTime(ByRef time As SYSTEMTIME)
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[209] | 46 | initialize(time.wYear, time.wMonth, time.wDay, time.wHour, time.wMinute, time.wSecond, time.wMilliseconds, DateTimeKind.Unspecified)
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[36] | 47 | End Sub
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| 48 |
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| 49 | Sub DateTime(ByRef time As SYSTEMTIME, kind As DateTimeKind)
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[209] | 50 | initialize(time.wYear, time.wMonth, time.wDay, time.wHour, time.wMinute, time.wSecond, time.wMilliseconds, kind)
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[36] | 51 | End Sub
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| 52 |
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[40] | 53 | 'Copy Constructor
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[209] | 54 | Sub DateTime(ByRef dateTime As DateTime)
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| 55 | This.m_Date = dateTime.m_Date
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[40] | 56 | End Sub
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| 57 |
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[36] | 58 | Sub ~DateTime()
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| 59 | End Sub
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| 60 |
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[166] | 61 | Function Operator + (ByRef value As TimeSpan) As DateTime
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[209] | 62 | Return New DateTime(Ticks + value.Ticks)
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[107] | 63 | End Function
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| 64 |
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[166] | 65 | Function Operator - (ByRef value As DateTime) As TimeSpan
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[107] | 66 | Return TimeSpan.FromTicks(Ticks - value.Ticks)
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| 67 | End Function
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| 68 |
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[166] | 69 | Function Operator - (ByRef value As TimeSpan) As DateTime
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[209] | 70 | Return New DateTime(Ticks - value.Ticks)
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[107] | 71 | End Function
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| 72 |
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[93] | 73 | Function Operator == (ByRef value As DateTime) As Boolean
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[36] | 74 | Return Equals(value)
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| 75 | End Function
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| 76 |
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[93] | 77 | Function Operator <> (ByRef value As DateTime) As Boolean
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[36] | 78 | Return Not Equals(value)
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| 79 | End Function
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| 80 |
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[93] | 81 | Function Operator > (ByRef value As DateTime) As Boolean
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[36] | 82 | If DateTime.Compare(This, value) > 0 Then
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[93] | 83 | Return True
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[36] | 84 | Else
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[93] | 85 | Return False
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[36] | 86 | End If
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| 87 | End Function
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| 88 |
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[93] | 89 | Function Operator < (ByRef value As DateTime) As Boolean
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[36] | 90 | If DateTime.Compare(This, value) < 0 Then
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[93] | 91 | Return True
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[36] | 92 | Else
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[93] | 93 | Return False
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[36] | 94 | End If
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| 95 | End Function
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| 96 |
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[93] | 97 | Function Operator >= (ByRef value As DateTime) As Boolean
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[36] | 98 | If DateTime.Compare(This, value) => 0 Then
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[93] | 99 | Return True
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[36] | 100 | Else
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[93] | 101 | Return False
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[36] | 102 | End If
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| 103 | End Function
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| 104 |
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[93] | 105 | Function Operator <= (ByRef value As DateTime) As Boolean
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[36] | 106 | If DateTime.Compare(This, value) <= 0 Then
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[93] | 107 | Return True
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[36] | 108 | Else
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[93] | 109 | Return False
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[36] | 110 | End If
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| 111 | End Function
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| 112 |
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[209] | 113 | 'Public Properties
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[36] | 114 | Function Ticks() As Int64
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| 115 | Return (m_Date And &H3FFFFFFFFFFFFFFF)
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| 116 | End Function
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| 117 |
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| 118 | Function Millisecond() As Long
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[107] | 119 | Return (Ticks \ TimeSpan.TicksPerMillisecond Mod 1000) As Long
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[36] | 120 | End Function
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| 121 |
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| 122 | Function Second() As Long
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[107] | 123 | Return (Ticks \ TimeSpan.TicksPerSecond Mod 60) As Long
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[36] | 124 | End Function
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| 125 |
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| 126 | Function Minute() As Long
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[107] | 127 | Return (Ticks \ TimeSpan.TicksPerMinute Mod 60) As Long
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[36] | 128 | End Function
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| 129 |
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| 130 | Function Hour() As Long
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[107] | 131 | Return (Ticks \ TimeSpan.TicksPerHour Mod 24) As Long
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[36] | 132 | End Function
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| 133 |
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| 134 | Function Day() As Long
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[209] | 135 | Return DayOfYear - totalDaysOfMonths(Year, Month - 1)
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[36] | 136 | End Function
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| 137 |
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| 138 | Function Month() As Long
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[209] | 139 | Dim year = Year As Long
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| 140 | Dim day = DayOfYear As Long
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| 141 | Dim i = 1 As Long
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| 142 | While day > totalDaysOfMonths(year, i)
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| 143 | i++
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| 144 | Wend
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| 145 | Return i
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[36] | 146 | End Function
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| 147 |
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| 148 | Function Year() As Long
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[209] | 149 | Dim day = (Ticks \ TimeSpan.TicksPerDay) As Long
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| 150 | Dim year = Int((day + day \ 36524 - day \ 146097) / 365.25) As Long
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| 151 | If day - totalDaysOfYears(year) + 1 = 366 Then
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| 152 | Return year + 1
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| 153 | Else
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| 154 | Return year
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| 155 | End If
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[36] | 156 | End Function
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| 157 |
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[209] | 158 | Function DayOfWeek() As Long 'As DayOfWeek
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| 159 | Return (Ticks \ TimeSpan.TicksPerDay) Mod 7 - 1
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[36] | 160 | End Function
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| 161 |
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[81] | 162 | Function Kind() As DateTimeKind
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[36] | 163 | Return kindFromBinary(m_Date)
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| 164 | End Function
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| 165 |
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| 166 | Function DayOfYear() As Long
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[209] | 167 | Return ((Ticks \ TimeSpan.TicksPerDay) - totalDaysOfYears(Year) + 1) As Long
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[36] | 168 | End Function
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| 169 |
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| 170 | Function Date() As DateTime
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[209] | 171 | Return New DateTime(Year, Month, Day, Kind)
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[36] | 172 | End Function
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| 173 |
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| 174 | Static Function Now() As DateTime
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| 175 | Dim time As SYSTEMTIME
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| 176 | GetLocalTime(time)
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[209] | 177 | Return New DateTime(time, DateTimeKind.Local)
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[36] | 178 | End Function
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| 179 |
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| 180 | Static Function ToDay() As DateTime
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| 181 | Dim time As SYSTEMTIME
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| 182 | GetLocalTime(time)
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[209] | 183 | Return New DateTime(time.wYear, time.wMonth, time.wDay, DateTimeKind.Local)
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[36] | 184 | End Function
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| 185 |
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| 186 | Static Function UtcNow() As DateTime
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| 187 | Dim time As SYSTEMTIME
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| 188 | GetSystemTime(time)
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[209] | 189 | Return New DateTime(time, DateTimeKind.Utc)
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[36] | 190 | End Function
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| 191 |
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[209] | 192 | 'Public Methods
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[36] | 193 | Static Function Compare(ByRef t1 As DateTime, ByRef t2 As DateTime) As Int64
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| 194 | Return t1.Ticks - t2.Ticks
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| 195 | End Function
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| 196 |
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[93] | 197 | Function Equals(ByRef value As DateTime) As Boolean
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[36] | 198 | If value.m_Date = m_Date Then
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[93] | 199 | Return True
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[36] | 200 | Else
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[93] | 201 | Return False
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[36] | 202 | End If
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| 203 | End Function
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| 204 |
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[93] | 205 | Static Function Equals(ByRef t1 As DateTime, ByRef t2 As DateTime) As Boolean
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[36] | 206 | If t1.m_Date = t2.m_Date Then
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[93] | 207 | Return True
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[36] | 208 | Else
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[93] | 209 | Return False
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[36] | 210 | End If
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| 211 | End Function
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| 212 |
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[166] | 213 | Override Function GetHashCode() As Long
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| 214 | Return HIDWORD(m_Date) Xor LODWORD(m_Date)
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| 215 | End Function
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| 216 |
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[107] | 217 | Function Add(ByRef value As TimeSpan) As DateTime
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| 218 | Return This + value
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| 219 | End Function
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| 220 |
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| 221 | Function AddTicks(value As Int64) As DateTime
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[209] | 222 | Return New DateTime(Ticks + value, Kind )
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[107] | 223 | End Function
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[36] | 224 |
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[107] | 225 | Function AddMilliseconds(value As Double) As DateTime
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| 226 | Return AddTicks((value * TimeSpan.TicksPerMillisecond) As Int64)
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| 227 | End Function
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[36] | 228 |
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[107] | 229 | Function AddSeconds(value As Double) As DateTime
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| 230 | Return AddTicks((value * TimeSpan.TicksPerSecond) As Int64)
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| 231 | End Function
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[36] | 232 |
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[107] | 233 | Function AddMinutes(value As Double) As DateTime
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| 234 | Return AddTicks((value * TimeSpan.TicksPerMinute) As Int64)
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| 235 | End Function
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[36] | 236 |
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[107] | 237 | Function AddHours(value As Double) As DateTime
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| 238 | Return AddTicks((value * TimeSpan.TicksPerHour) As Int64)
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| 239 | End Function
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[36] | 240 |
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[107] | 241 | Function AddDays(value As Double) As DateTime
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| 242 | Return AddTicks((value * TimeSpan.TicksPerDay) As Int64)
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| 243 | End Function
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| 244 |
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| 245 | Function AddYears(value As Double) As DateTime
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[209] | 246 | Dim additionYear = Year + Int(value)
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| 247 | Dim ticks = totalDaysOfYears(additionYear) * TimeSpan.TicksPerDay + DayOfYear() * TimeSpan.TicksPerDay
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[107] | 248 |
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[209] | 249 | If IsLeapYear(additionYear) Then
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| 250 | ticks += (value - Int(value)) * 366 * TimeSpan.TicksPerDay
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[36] | 251 | Else
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[209] | 252 | ticks += (value - Int(value)) * 365 * TimeSpan.TicksPerDay
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[36] | 253 | End If
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[209] | 254 |
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| 255 | Return New DateTime(ticks, Kind)
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[107] | 256 | End Function
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[36] | 257 |
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[107] | 258 | Function Subtract(ByRef value As DateTime) As TimeSpan
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[209] | 259 | Return New DateTime(This - value)
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[107] | 260 | End Function
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| 261 |
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| 262 | Function Subtract(ByRef value As TimeSpan) As DateTime
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[209] | 263 | Return New DateTime(This - value)
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[107] | 264 | End Function
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| 265 |
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[93] | 266 | Static Function DaysInMonth(year As Long, month As Long) As Long
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[36] | 267 | If year < 1 Or year > 9999 Or month < 1 Or month > 12 Then
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| 268 | 'ArgumentOutOfRangeException
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| 269 | debug
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| 270 | End If
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[209] | 271 |
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[93] | 272 | If IsLeapYear(year) And month = 2 Then
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| 273 | Return 29
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| 274 | Else
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| 275 | Dim daysInMonth[11] = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] As Byte
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| 276 | Return daysInMonth[month - 1]
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| 277 | End If
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[36] | 278 | End Function
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| 279 |
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[93] | 280 | Static Function IsLeapYear(year As Long) As Boolean
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| 281 | If (year Mod 400) = 0 Then Return True
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| 282 | If (year Mod 100) = 0 Then Return False
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| 283 | If (year Mod 4) = 0 Then Return True
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[103] | 284 | Return False
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[36] | 285 | End Function
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| 286 |
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| 287 | Function GetDateTimeFormats() As String
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[209] | 288 | Dim time = getSystemTime() 'As SYSTEMTIME を記述すると内部エラーが発生
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| 289 | Dim dateFormatSize = GetDateFormat(LOCALE_USER_DEFAULT, 0, time, NULL, NULL, 0)
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| 290 | Dim timeFormatSize = GetTimeFormat(LOCALE_USER_DEFAULT, 0, time, NULL, NULL, 0)
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| 291 | Dim dateTimeFormats = malloc(dateFormatSize + timeFormatSize) As PTSTR
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| 292 | GetDateFormat(LOCALE_USER_DEFAULT, 0, time, NULL, dateTimeFormats, dateFormatSize)
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| 293 | dateTimeFormats[dateFormatSize - 1] = Asc(" ")
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| 294 | GetTimeFormat(LOCALE_USER_DEFAULT, 0, time, NULL, dateTimeFormats + dateFormatSize, timeFormatSize)
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| 295 |
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| 296 | Return New String(dateTimeFormats)
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[36] | 297 | End Function
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| 298 |
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[209] | 299 | Function GetDateTimeFormats(format As *TCHAR) As String
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| 300 | Dim time = getSystemTime() 'As SYSTEMTIME を記述すると内部エラーが発生
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| 301 | Dim dateFormatSize = GetDateFormat(LOCALE_USER_DEFAULT, 0, time, format, NULL, 0)
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| 302 | Dim dateFormats = malloc(dateFormatSize) As PTSTR
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| 303 | GetDateFormat(LOCALE_USER_DEFAULT, 0, time, format, dateFormats, dateFormatSize)
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[73] | 304 |
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[209] | 305 | Dim dateTimeFormatSize = GetTimeFormat(LOCALE_USER_DEFAULT, 0, time, dateFormats, NULL, 0)
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| 306 | Dim dateTimeFormats = malloc(dateTimeFormatSize) As PTSTR
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| 307 | GetTimeFormat(LOCALE_USER_DEFAULT, 0, time, dateFormats, dateTimeFormats, dateTimeFormatSize)
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[207] | 308 |
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[209] | 309 | Return New String(dateTimeFormats)
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[73] | 310 | End Function
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| 311 |
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[209] | 312 | Static Function FromBinary(date As Int64) As DateTime
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| 313 | Return New DateTime((date And &H3FFFFFFFFFFFFFFF), kindFromBinary(date))
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[36] | 314 | End Function
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| 315 |
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| 316 | Function ToBinary() As Int64
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| 317 | Return m_Date
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| 318 | End Function
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| 319 |
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[209] | 320 | Static Function FromFileTime(ByRef fileTime As FILETIME) As DateTime
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[36] | 321 | Dim localTime As FILETIME
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[82] | 322 | Dim time As SYSTEMTIME
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[36] | 323 | FileTimeToLocalFileTime(fileTime, localTime)
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| 324 | FileTimeToSystemTime(localTime, time)
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[209] | 325 | Return New DateTime(time, DateTimeKind.Local)
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[36] | 326 | End Function
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| 327 |
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| 328 | Function ToFileTime() As FILETIME
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[209] | 329 | Dim time = getSystemTime() 'As SYSTEMTIME を記述すると内部エラーが発生 rev.207
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[36] | 330 | Dim fileTime As FILETIME
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| 331 | SystemTimeToFileTime(time, fileTime)
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| 332 | Return fileTime
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| 333 | End Function
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| 334 |
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[209] | 335 | Static Function FromFileTimeUtc(ByRef fileTime As FILETIME) As DateTime
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[36] | 336 | Dim time As SYSTEMTIME
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| 337 | FileTimeToSystemTime(fileTime, time)
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[209] | 338 | Return New DateTime(time, DateTimeKind.Utc)
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[36] | 339 | End Function
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| 340 |
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| 341 | Function ToFileTimeUtc() As FILETIME
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[209] | 342 | Dim fileTime = ToFileTime() 'As FILETIME を記述すると内部エラー rev.207
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[103] | 343 | If Kind = DateTimeKind.Utc Then
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[209] | 344 | Return fileTime
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[36] | 345 | Else
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[209] | 346 | Dim utcTime As FILETIME
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| 347 | LocalFileTimeToFileTime(fileTime, utcTime)
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| 348 | Return utcTime
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[36] | 349 | End If
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| 350 | End Function
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| 351 |
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| 352 | Function ToLocalTime() As DateTime
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[103] | 353 | If Kind = DateTimeKind.Local Then
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[209] | 354 | Return New DateTime(This)
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[82] | 355 | Else
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[209] | 356 | Dim fileTime = ToFileTime() '直接入れると計算できなくなります。 rev.207
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| 357 | Return DateTime.FromFileTime(fileTime)
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[81] | 358 | End If
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[36] | 359 | End Function
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[81] | 360 |
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[228] | 361 | Override Function ToString() As String
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| 362 | Return GetDateTimeFormats()
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| 363 | End Function
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| 364 |
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[81] | 365 | Function ToUniversalTime() As DateTime
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[103] | 366 | If Kind = DateTimeKind.Utc Then
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[209] | 367 | Return New DateTime(m_Date)
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[82] | 368 | Else
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[209] | 369 | Dim fileTime = ToFileTimeUtc() '直接入れると計算できなくなります。 rev.207
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| 370 | Return DateTime.FromFileTimeUtc(fileTime)
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[81] | 371 | End If
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| 372 | End Function
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[209] | 373 |
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[36] | 374 | Private
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[209] | 375 | Sub initialize(ticks As Int64, kind As DateTimeKind)
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| 376 | Kind = kind
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| 377 | Ticks = ticks
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| 378 | End Sub
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| 379 |
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| 380 | Sub initialize(year As Long, month As Long, day As Long, hour As Long, minute As Long, second As Long, millisecond As Long, kind As DateTimeKind)
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| 381 | If month < 1 Or month > 12 _
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| 382 | Or day < 1 Or day > DaysInMonth(year, month) _
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| 383 | Or hour < 0 Or hour => 24 _
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| 384 | Or minute < 0 Or minute => 60 _
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| 385 | Or second < 0 Or second => 60 _
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| 386 | Or millisecond < 0 Or millisecond => 1000 Then
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| 387 | debug 'ArgumentOutOfRangeException
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| 388 | End If
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| 389 |
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| 390 | initialize(
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| 391 | totalDaysOfYears(year) * TimeSpan.TicksPerDay _
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| 392 | + totalDaysOfMonths(year, month - 1) * TimeSpan.TicksPerDay _
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| 393 | + (day - 1) * TimeSpan.TicksPerDay _
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| 394 | + hour * TimeSpan.TicksPerHour _
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| 395 | + minute * TimeSpan.TicksPerMinute _
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| 396 | + second * TimeSpan.TicksPerSecond _
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| 397 | + millisecond * TimeSpan.TicksPerMillisecond,
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| 398 | kind
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| 399 | )
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| 400 | End Sub
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| 401 |
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[36] | 402 | Sub Ticks(value As Int64)
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[209] | 403 | If value < MinValue Or value > MaxValue Then
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| 404 | debug 'ArgumentOutOfRangeException
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| 405 | End If
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| 406 |
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| 407 | Dim temp = Kind As DateTimeKind
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[36] | 408 | m_Date = value
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[209] | 409 | Kind = temp
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[36] | 410 | End Sub
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| 411 |
|
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| 412 | Sub Kind(kind As DateTimeKind)
|
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| 413 | Dim temp As Int64
|
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| 414 | temp = kind
|
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| 415 | temp = (temp << 62) And &HC000000000000000
|
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| 416 | m_Date = (m_Date And &H3FFFFFFFFFFFFFFF) Or temp
|
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| 417 | End Sub
|
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| 418 |
|
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[209] | 419 | Static Function kindFromBinary(date As Int64) As DateTimeKind
|
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| 420 | date = (date >> 62) And &H03
|
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| 421 | If date = &H01 Then
|
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[103] | 422 | Return DateTimeKind.Local
|
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[209] | 423 | ElseIf date = &H02 Then
|
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[103] | 424 | Return DateTimeKind.Unspecified
|
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[209] | 425 | ElseIf date = &H03 Then
|
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[103] | 426 | Return DateTimeKind.Utc
|
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[36] | 427 | End If
|
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| 428 | End Function
|
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[209] | 429 |
|
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| 430 | Function getSystemTime() As SYSTEMTIME
|
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| 431 | Dim time As SYSTEMTIME
|
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| 432 | With time
|
---|
| 433 | .wYear = Year As Word
|
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| 434 | .wMonth = Month As Word
|
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| 435 | .wDayOfWeek = DayOfWeek As Word
|
---|
| 436 | .wDay = Day As Word
|
---|
| 437 | .wHour = Hour As Word
|
---|
| 438 | .wMinute = Minute As Word
|
---|
| 439 | .wSecond = Second As Word
|
---|
| 440 | .wMilliseconds = Millisecond As Word
|
---|
| 441 | End With
|
---|
| 442 | Return time
|
---|
| 443 | End Function
|
---|
| 444 |
|
---|
| 445 | Static Function totalDaysOfYears(year As Long) As Long
|
---|
| 446 | Return (Int(year * 365.25) - Int(year * 0.01) + Int(year * 0.0025))
|
---|
| 447 | End Function
|
---|
| 448 |
|
---|
| 449 | Static Function totalDaysOfMonths(year As Long, month As Long) As Long
|
---|
| 450 | Dim days As Long
|
---|
| 451 | Dim i As Long
|
---|
| 452 | For i = 1 To month
|
---|
| 453 | days += DaysInMonth(year, i)
|
---|
| 454 | Next
|
---|
| 455 | Return days
|
---|
| 456 | End Function
|
---|
[36] | 457 | End Class
|
---|
| 458 |
|
---|
[103] | 459 | Enum DateTimeKind
|
---|
[36] | 460 | Local
|
---|
| 461 | Unspecified
|
---|
| 462 | Utc
|
---|
| 463 | End Enum
|
---|
| 464 |
|
---|
[103] | 465 | Enum DayOfWeek
|
---|
[36] | 466 | Sunday = 0
|
---|
| 467 | Monday
|
---|
| 468 | Tuesday
|
---|
| 469 | Wednesday
|
---|
| 470 | Thursday
|
---|
| 471 | Friday
|
---|
| 472 | Saturday
|
---|
[209] | 473 | End Enum
|
---|