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Moving objects programmatically within the .INIT() event

Posted on 2012-03-15
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Last Modified: 2012-06-21
I'm trying to keep my FORMs tidy by hiding unused objects and moving others up to fill these spaces.

The particular FORM that I'm having trouble with has a pageframe. Within that there's a series of pages. Within those there's a series of objects, mostly containers.

Within the .INIT event for container A, we decide whether it's needed. If it isn't, then it gets hidden with a
    .VISIBLE = .F.

Let's suppose that container B is just below this. It is needed, so the .VISIBLE property is set as .T.

Then what I'm trying to do is within the .INIT event. The code looks like

FOR EACH loObject1 IN THIS.Objects
      IF .NOT. loObject1.Visible
            FOR EACH loObject2 IN THIS.Objects
                  IF ( loObject2.Top >= loObject1.Top + loObject1.Height )
                        loObject2.Top = loObject2.Top - loObject1.Height
                        ENDIF
                  NEXT
            ENDIF
      NEXT

That all seems to work - tracing it through with DEBUG certainly re-positions container B higher up the window.

But after it's gone through that process, and after it has come out of the page's INIT event, then the object position springs back to its original value.

Any suggestions?
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Question by:IainMacb
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2 Comments
 
LVL 42

Accepted Solution

by:
pcelba earned 400 total points
ID: 37728153
Do you use non-zero Anchor property for Containers? If yes then you have to set it to zero before "shuffling".
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Author Comment

by:IainMacb
ID: 37728747
Brilliant. Key section of code changed to

FOR EACH loObject1 IN THIS.Objects
      IF .NOT. loObject1.Visible
            FOR EACH loObject2 IN THIS.Objects
                  IF ( loObject2.Top >= loObject1.Top + loObject1.Height )
                        llAnchor         = loObject2.Anchor
                        loObject2.Anchor = 0
                        loObject2.Top    = loObject2.Top - loObject1.Height
                        loObject2.Anchor = llAnchor
                        ENDIF
                  NEXT
            ENDIF
      NEXT

Now works perfectly. Many many thanks.
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