ctime1.cls

Visual Basic 6 大学教程的代码

VERSION 1.0 CLASS
BEGIN
  MultiUse = -1  'True
  Persistable = 0  'NotPersistable
  DataBindingBehavior = 0  'vbNone
  DataSourceBehavior  = 0  'vbNone
  MTSTransactionMode  = 0  'NotAnMTSObject
END
Attribute VB_Name = "CTime1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
' Fig. 16.2
' Class definition for CTime1
Option Explicit

Private mHour As Integer
Private mMinute As Integer
Private mSecond As Integer

Public Sub SetTime(ByVal h As Integer, ByVal m As Integer, _
                   ByVal s As Integer)

   mHour = IIf((h >= 0 And h < 24), h, 0)
   mMinute = IIf((m >= 0 And m < 60), m, 0)
   mSecond = IIf((s >= 0 And s < 60), s, 0)
End Sub

Public Function ToUniversalTime() As String
   ToUniversalTime = Format$(mHour, "00") & ":" & _
                     Format$(mMinute, "00") & ":" & _
                     Format$(mSecond, "00")
End Function

Public Function ToStandardTime() As String
   Dim h As Integer
   
   h = IIf((mHour = 12 Or mHour = 0), 12, mHour Mod 12)
   
   ToStandardTime = h & ":" & _
                    Format$(mMinute, "00") & ":" & _
                    Format$(mSecond, "00") & " " & _
                    IIf(mHour < 12, "AM", "PM")
End Function