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Timer Countdown

Posted on 1998-10-22
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Hey
I need some help to make a timer that can count down from 2 mins showing each second and also being able to start anywhere in between 2 mins and the end. Thanks
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Question by:Bart235
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LVL 6

Accepted Solution

clifABB earned 50 total points
ID: 1441161
Place a timer on a form.
Set the Interval property to 1000 (that's 1000 milliseconds or 1 second)
Set the enabled property to False.

Add a text box to the form (a place to put the starting number)
Add a lable to your form (a place to display the count down)

In the declarations section, add the following:
Private m_nCount As Integer

In the button's click event, add the following code:
Private Sub Command1_Click()
m_nCount = Val(Text1.Text) * 60
Label1.Caption = m_nCount
Timer1.Enabled = True
End Sub

In the timer's timer event, place the following code:
Private Sub Timer1_Timer()
m_nCount = m_nCount - 1
Label1.Caption = m_nCount
If m_nCount = 0 Then
Timer1.Enabled = False
End If
End Sub
0

LVL 6

Expert Comment

ID: 1441162
If you want to be able to type in minutes and seconds (and display it as such, change the buttons click event to this:

Private Sub Command1_Click()
Dim nPtr As Integer

nPtr = Instr(Text1.Text, ":")
If nPtr > 0 Then
m_nCount = Val(Left\$(Text1.Text, nPtr - 1)) * 60 + Val(Mid\$(Text1.Text, nPtr + 1))
Else
m_nCount = Val(Text1.Text)
Label1.Caption = Trim\$(Str\$(m_nCount \ 60)) & ":" & Trim\$(Str\$(m_nCount Mod 60))
End If
Timer1.Enabled = True
End Sub

And change the timer's timer event to this:

Private Sub Timer1_Timer()
m_nCount = m_nCount - 1
Label1.Caption = Trim\$(Str\$(m_nCount \ 60)) & ":" & Trim\$(Str\$(m_nCount Mod 60))
If m_nCount = 0 Then
Timer1.Enabled = False
End If
End Sub
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