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Graphic Delay

Posted on 1998-04-14
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Last Modified: 2010-05-18
I want it to take five seconds for the circle to evaporate. In other words: I am trying to graphically represent a 5-second delay in the program, from one message box to another message box. What am I doing wrong?

Option Explicit
Dim Pausetime, Start, Finish, TotalTime


Private Sub Command1_Click()
If (MsgBox("Press Yes to pause for 5 seconds", 4)) = vbYes Then
      Pausetime = 5
      Start = Timer
      Do While Timer < Start + Pausetime
            DoEvents
            Timer1_Timer
      Loop
      Finish = Timer
      TotalTime = Finish - Start
      MsgBox "Paused for " & TotalTime & " seconds"
Else
      End
End If
End Sub

Private Sub Timer1_Timer()
Cls
Dim x As Integer
Dim y As Integer
Dim Radius As Integer
Const PI = 3.14159265
Static num As Double
FillColor = QBColor(4)
FillStyle = 0
x = ScaleWidth / 2
y = ScaleHeight / 2
Radius = ScaleWidth / 4
Circle (x, y), Radius, , num, -6.283
num = num - ((2 * PI) / 60)
Text1.Text = Str$(num)
If Abs(num) >= 6.283 Then
      num = 0
      Timer1.Enabled = 0
      Cls
End If

End Sub
0
Comment
Question by:MarkW
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2 Comments
 
LVL 18

Expert Comment

by:deighton
ID: 1461242
You seem to be calling the timer event explicitly from within the while loop.  Although the while loop will iterate for 5 seconds I would expect to see the circle vanish in much less time. Is this right ?
Perhaps you need to remove the timer_timer1 call from your while loop and set the timer interval to an appropriate value so that the event is called just enough times to wipe out the circle.
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LVL 18

Accepted Solution

by:
deighton earned 150 total points
ID: 1461243
OK how about this

Private Sub Draw_circle()
    Cls
    Dim x As Integer
    Dim y As Integer
    Dim Radius As Integer
    Const PI = 3.14159265

    FillColor = QBColor(4)
    FillStyle = 0
    x = ScaleWidth / 2
    y = ScaleHeight / 2
    Radius = ScaleWidth / 4
    Circle (x, y), Radius, , num, -6.283
'    num = num - ((2 * PI) / 60)
    Text1.Text = Str$(num)
    If Abs(num) >= 6.283 Then
          num = 0
 '         Timer1.Enabled = 0
          Cls
    End If

End Sub



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