'This project requires a Form and a Module
'On the form, there should be one command button (Command1)
'and one Timer (Timer1)
'In the form:
Option Explicit
Private Sub Form_Load()
'KPD-Team 2001
'URL: http://www.allapi.net/
'E-Mail: KPDTeam@Allapi.net
Command1.Caption = "Start"
End Sub
Private Sub Form_Unload(Cancel As Integer)
'Stop the timers if they're still counting
timeKillEvent hMMTimer
Timer1.Enabled = False
End Sub
Private Sub Timer1_Timer()
'increment VBTimer
VBTimer = VBTimer + 1
End Sub
Private Sub Command1_Click()
If Command1.Caption = "Start" Then
'Start both timers
Timer1.Interval = 1
Timer1.Enabled = True
hMMTimer = timeSetEvent(1, 0, AddressOf TimerProc, 0, TIME_PERIODIC Or TIME_CALLBACK_FUNCTION)
Command1.Caption = "Stop"
Else
'Stop both timers
timeKillEvent hMMTimer
Timer1.Enabled = False
Command1.Caption = "Start"
'Show result
MsgBox "Timer1_Timer was called " & VBTimer & " times;" & vbNewLine & "TimerProc was called " & MMTimer & " times."
VBTimer = 0
MMTimer = 0
End If
End Sub
'In a module
Option Explicit
Public Const TIME_ONESHOT = 0 'Event occurs once, after uDelay milliseconds.
Public Const TIME_PERIODIC = 1 'Event occurs every uDelay milliseconds.
Public Const TIME_CALLBACK_EVENT_PULSE = &H20 'When the timer expires, Windows calls thePulseEvent function to pulse the event pointed to by the lpTimeProc parameter. The dwUser parameter is ignored.
Public Const TIME_CALLBACK_EVENT_SET = &H10 'When the timer expires, Windows calls theSetEvent function to set the event pointed to by the lpTimeProc parameter. The dwUser parameter is ignored.
Public Const TIME_CALLBACK_FUNCTION = &H0 'When the timer expires, Windows calls the function pointed to by the lpTimeProc parameter. This is the default.
Public Declare Function timeKillEvent Lib "winmm.dll" (ByVal uID As Long) As Long
Public Declare Function timeSetEvent Lib "winmm.dll" (ByVal uDelay As Long, ByVal uResolution As Long, ByVal lpFunction As Long, ByVal dwUser As Long, ByVal uFlags As Long) As Long
Public VBTimer As Long, MMTimer As Long
Public hMMTimer As Long
Sub TimerProc(ByVal uID As Long, ByVal uMsg As Long, ByVal dwUser As Long, ByVal dw1 As Long, ByVal dw2 As Long)
'Increment MMTimer
MMTimer = MMTimer + 1
End Sub