by VB-Kung-Fu (19 Submissions)
Category: Custom Controls/Forms/Menus
Compatability: VB 6.0
Difficulty: Unknown Difficulty
Originally Published: Sun 9th November 2003
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Complete replacement for the timer control,in 38 lines of code with no API calls or ActiveX controls!! Can be started, stopped and paused for
API Declarations
'with two command buttons, to see the CTimer class in action
Public WithEvents t As CTimer
Private Sub Command1_Click()
Set t = New CTimer
Me.Caption = 0
Call t.StartTimer(1)
End Sub
Private Sub Command2_Click()
t.StopTimer
End Sub
Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
If (t Is Nothing) = False Then t.StopTimer
End Sub
Private Sub t_Timer()
Me.Caption = Me.Caption + 1
End Sub
VBcoders
Public Event Timer()
'interval in seconds
Private m_Interval As Long
Private m_Stop As Boolean
Public Sub StartTimer(Optional Interval As Long = 0)
m_Stop = False
Me.Interval = IIf(Interval = 0, Me.Interval, Abs(Interval))
Call TimerLoop
End Sub
Public Sub StopTimer()
m_Stop = True
End Sub
Public Sub Pause(Length As Long)
Dim n As Long
n = Timer + Abs(Length)
Do While Timer <= n
DoEvents
Loop
End Sub
Private Sub TimerLoop()
Dim n As Long
Do
If (Timer Mod Me.Interval) = 0 Then
n = Timer
RaiseEvent Timer
'wait until this interval
'completes
Do While Timer <= n + Interval
DoEvents
Loop
End If
DoEvents
Loop While m_Stop = False
End Sub
Public Property Let Interval(NewVal As Long)
m_Interval = Abs(NewVal)
m_Stop = IIf(m_Interval = 0, True, False)
End Property
Public Property Get Interval() As Long
Interval = m_Interval
End Property
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