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while waiting for form to load display progress bar

Posted on 2004-09-08
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Last Modified: 2008-02-01
i have a for next loop reading about 29 records this takes a bit when i have the form load


events are as fallows

1: form loads alowing user to pick from pulldown
1a: on this same form we have a menu with report/show report
1b: if the user clicks the show report this loads onther form(heres where my problem lies)

2: report form loads with loop 0 to 28
2a: i assume i have to place the progress bar advancement here as this is where the form takes time to load/display
2b: side note: it does nto display this from till the data retirved is complete

3: report form popsup with data and time has pased looking like nothing happened

so id like to have a proress or wait while loading something to say hey im getting this data its gonna take a bit please wait


thanks
Pern
ps: i know theres alot of answers for this but non seamed to fit or worked forme
plus i dint get where to put code please explin where things go too thx alot
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Question by:Johnny
  • 2
4 Comments
 
LVL 26

Expert Comment

by:EDDYKT
ID: 12008481
haved you tried to use doevents and timer control?
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LVL 14

Expert Comment

by:aelatik
ID: 12008511
1. First of all, put everything from FORM_LOAD event in an own defined function.
   
    Something like :
    Function FORM_START()
       ' Your code with loops etc.
    End Function

2. Place a timer control and set its interval to 1000, so that it will trigger after 1 second.
3. Put the following code in the timer control.
   
   Private Sub Timer1_Timer()
    Timer1.Enabled = False ' disable the timer after first time because we don't need it anymore
    Call FORM_START
   End Sub

4. Implement the progressbar in the loops, like following :

    progressbar1.min = 0
    progressbar1.max = 28
    For i = 0 to 28
      progressbar1.value = i
      Doevents
    next i
0
 
LVL 32

Expert Comment

by:Erick37
ID: 12008843
You may try something simple like this on the form which is loading...

Private Sub Form_Load()
   
    Dim i As Long
    Me.Caption = "Loading, please wait"
    Me.Show
    DoEvents
    For i = 1 To 2000
        'some loading process
        Debug.Print "loop " & CStr(i)
    Next
    Me.Caption = "Form1"
   
End Sub
0
 
LVL 32

Accepted Solution

by:
Erick37 earned 500 total points
ID: 12009314
A little modification which displays a progressbar while the form loads, then hides it...

Private Sub Form_Load()
   
    Dim i As Long
    Me.Caption = "Loading, please wait"
    Me.Show
    DoEvents
    With ProgressBar1
    .Visible = True
    .Max = 28 'Set the max value to match the loop number below
    For i = 1 To 28
        'some process
        Debug.Print "Progress " & CStr(i)
        'Call Sleep(300)
        'Update the progress bar
        .Value = i
        .Refresh
    Next
    .Visible = False
    End With
    Me.Caption = "Form1"
   
End Sub
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