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Visual basic 6.0 Looping

Posted on 2007-11-16
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Last Modified: 2013-11-26
I have a code for the problem below however I can't get the  numbers per line command to work. If I put 3 it doesn't work or put in 2  it doesn't work etc. If someone can assist.
PROBLEM:
The form contains three boxes, labelled Start at:, Stop at:, and Number on a line:. When the user clicks the button, you should print out all the numbers from the start value to the stop value, printing only number values on a given line.

For example, if one starts at 2, and counts to 14, with 3 numbers per line, it should look like this:

2 3 4
5 6 7
8 9 10
11 12 13
14

MY CODE:
Private Sub cmdCount_Click()
    Dim StartAt As Double
    Dim StopAt As Double
    Dim LineLen As Double
    Dim Counter As Double
   
   
    StartAt = Val(txtStartAt.Text)
    StopAt = Val(txtStopAt.Text)
    LineLen = Val(txtLineLen.Text)
   
    picResults.Cls
   
   
    Counter = StartAt
   
 
    Do While Counter <= StopAt
        picResults.Print Counter
       
    Counter = Counter + 1
   
    Loop
   
End Sub


   
   
0
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Question by:apr2505
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7 Comments
 
LVL 65

Expert Comment

by:Jim Horn
ID: 20300270
>For example, if one starts at 2, and counts to 14, with 3 numbers per line, it should look like this:
That would be...

For Counter = StartAt to StopAt Step 3  'or whatever variable 3 is.
  ' your code goes here
Next
0
 

Author Comment

by:apr2505
ID: 20300556
I've added that part and the results remain the same it runs straight down instead of 3 numbers per line. Here is what it looks like after adding For Counter = StartAt to StopAt Step 3 maybe I put it in the wrong spot.

Private Sub cmdCount_Click()
    Dim StartAt As Double
    Dim StopAt As Double
    Dim LineLen As Double
    Dim Counter As Double
   
   
    StartAt = Val(txtStartAt.Text)
    StopAt = Val(txtStopAt.Text)
    LineLen = Val(txtLineLen.Text)
   
    picResults.Cls
    For Counter = StartAt To StopAt Step 3

 
    Do While Counter < StopAt
        picResults.Print Counter
       
    Counter = Counter + 1
   
    Loop
    Next
End Sub
0
 
LVL 27

Accepted Solution

by:
VBRocks earned 500 total points
ID: 20300583
You can do it like this:

    Dim StartAt As Double
    Dim StopAt As Double
    Dim LineLen As Double
    Dim Counter As Double
    Dim Loops As Integer
    Dim sText As String
   
    StartAt = Val(txtStartAt.Text)
    StopAt = Val(txtStopAt.Text)
    LineLen = Val(txtLineLen.Text)
   
    picResults.Cls
       
    Counter = StartAt
    Loops = 1
 
    Do While Counter <= StopAt
           
        sText = sText & " " & Counter

        If (Loops Mod LineLen = 0) Then
            sText = sText & vbCrLf
        End If
       
        Counter = Counter + 1
        Loops = Loops + 1
    Loop
           
    picResults.Print sText

0
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LVL 65

Expert Comment

by:Jim Horn
ID: 20300591
Use the For..Next loop instead of the Do..Loop

For Counter = StartAt To StopAt Step 3
   picResults.Print Counter
Next
0
 
LVL 59

Expert Comment

by:Chris Bottomley
ID: 20300882
Private Sub cmdCount_Click()
    Dim StartAt As Double
    Dim StopAt As Double
    Dim LineLen As Double
    Dim Counter As Double
   
    StartAt = Val(txtStartAt.Text)
    StopAt = Val(txtStopAt.Text)
    LineLen = Val(txtLineLen.Text)
   
    picResults.Cls
    For Counter = StartAt To StopAt Step 3
        picResults.Print Counter & vbtab & counter + 1 & vbtab & counter + 2
    Next
End Sub

Regards
Chris
0
 
LVL 59

Expert Comment

by:Chris Bottomley
ID: 20300927
To ensure a stop at the correct point and a change to replace hard value 3 with linelen:

Private Sub cmdCount_Click()
    Dim StartAt As Double
    Dim StopAt As Double
    Dim LineLen As Double
    Dim Counter As Double
   
    StartAt = Val(txtStartAt.Text)
    StopAt = Val(txtStopAt.Text)
    LineLen = Val(txtLineLen.Text)
   
    picResults.Cls
    For Counter = StartAt To StopAt Step linelen
        picResults.Print Counter & iif(counter +1 <= stopat,vbtab & counter + 1,"") & iif(counter+2 <= stopat, vbtab & counter + 2,"")
    Next
End Sub

regards
Chris
0
 

Author Closing Comment

by:apr2505
ID: 31409644
Thank you so much I see where i went wrong.
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