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Multiple forms

Posted on 2002-06-07
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Last Modified: 2010-05-02
I have 3 forms in my project.
Form 1 is the main form and gets displayed with application starts. It has a Menu Item to show form2. Form2 has a command button to show form3.  Whenever a form is shown, I do not want any other
form shown.

On form3 there is a text box that will update a list box on form2.

This could be generalized for any number of forms.

How can I do this?

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Question by:pentomino
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12 Comments
 
LVL 4

Expert Comment

by:gencross
ID: 7063207
If I understand correctly you can use the form.hide method to hide the form when the other is loaded.  The form is still loaded in memory, but not visible.

Hope this helps
0
 
LVL 22

Expert Comment

by:rspahitz
ID: 7063233
To update something on Form2 from Form3, simply reference the object explicitly:

' code in form3:
Form2.Text1.Text = "I added this from Form3"

To show Form2 from Form1:

' code in form1:
private sub Command1_Click()
  Form2.Show ' vbModal (optional)
end sub

' code in form2:
private sub Command1_Click()
  Form3.Show ' vbModal
end sub
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LVL 22

Accepted Solution

by:
rspahitz earned 50 total points
ID: 7063242
Sorry...

'from form1:
private sub Menu1_Click()
  me.hide
  Form2.Show
end sub

'from form2:
private sub Form_Unload()
  Form1.Show
end sub

Private sub Command1_Click()
  me.hide
  Form3.Show
end sub

' from form3:
private sub Form_Unload()
  Form2.Show
end sub

private sub Text1_LostFocus()
  Form2.List1.AddItem Text1.Text
end sub
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LVL 1

Author Comment

by:pentomino
ID: 7063312
rspahitz

I created a project and coded exactly as you described.
Form1 does not dissapear!


Pentomino
0
 
LVL 4

Expert Comment

by:gencross
ID: 7063321
I have tried the code and it works fine for me.
0
 
LVL 1

Author Comment

by:pentomino
ID: 7063367
gencross

I changed the menu item to a command button and I still get the same results.

Are you sure from1 is not hiding under form2?
0
 
LVL 4

Expert Comment

by:gencross
ID: 7063375
Are you sure you did not put Form1.show in the Form_Load event of form 2?  It belongs in the Form_Unload event of Form2

This would cause form1 to remain visible.
0
 
LVL 22

Expert Comment

by:rspahitz
ID: 7063439
Post your code from form 1's menu and we'll investigate.

If you want, you can be explicit by replaceing "me" with "form1":

private sub Menu1_Click()
 Form1.hide
 Form2.Show
end sub
0
 
LVL 1

Author Comment

by:pentomino
ID: 7063606
rspahitz

Code has been deleted..  thanks for trying to help, I think this has been solved.
something to do about the Unload_Form subroutine..

Pentomino


0
 
LVL 22

Expert Comment

by:rspahitz
ID: 7063614
Can you be more specific?
How did you solve it?  Which of the above comments helped?
0
 
LVL 1

Author Comment

by:pentomino
ID: 7063690
rspahitz

I think it had something to do with the Form_Unload routine.
I did not have one in the early test application.

If you want to examine this more... I will try to reconstruct the sample that did not work.


Thanks again for your comments and help.
0
 
LVL 22

Expert Comment

by:rspahitz
ID: 7067677
As long as you got it working, great.  If not, drop another comment here and I'll see what I can do.
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