Dear all,
I would like to figure out a way to add controls to a form using specs
stored in a table. Any assistance in fleshing this idea out would be
greatly appreciated. I'm using VB6.
Right now I am thinking I would loop through the specs table
(containing control name, control type, width, max length, etc) and
print lines of code to a text file. The code would look something
like the following:
Dim lblcontrol1 As Label
Set lblcontrol1 = Controls.Add("V B.Label", "lblControl 1")
lblcontrol1.Vis ible = True
Dim WithEvents txtControl1 As TextBox
Set txtControl1 = Controls.Add("V B.TextBox", "txtControl 1")
txtControl1.Vis ible = True
The code generator would substitute the appropriate control names,
property settings, and so forth.
I would then need to run this code at design time to get the controls
on the form, but I'm not sure how to create a form and run this code.
I can put it in the Form_Load event, but then the controls are created
only at run time, and I would like to be able to save the controls on
the form.
Can anyone point me in the right direction?
Thanks,
Chris
4  12803 
In VB6 - you you have to create a control array of each control type you
want to add at run time.(by setting the index property to 0) - you can set
the visible property to false if you don't want it to show. You can add
additional members of the control array - but you can't just add a control
programatically (unless its part of a control array) - go figure.
Then
load Command1(1)
load Command1(2)
Command1.Visibl e = True
Command1.left = 100
Command1.Top = 257
etc
"Chris" <ch*****@mailin ator.com> wrote in message
news:a0******** *************** **@posting.goog le.com... Dear all,
I would like to figure out a way to add controls to a form using specs
stored in a table. Any assistance in fleshing this idea out would be
greatly appreciated. I'm using VB6.
Right now I am thinking I would loop through the specs table
(containing control name, control type, width, max length, etc) and
print lines of code to a text file. The code would look something
like the following:
Dim lblcontrol1 As Label
Set lblcontrol1 = Controls.Add("V B.Label", "lblControl 1")
lblcontrol1.Vis ible = True
Dim WithEvents txtControl1 As TextBox
Set txtControl1 = Controls.Add("V B.TextBox", "txtControl 1")
txtControl1.Vis ible = True
The code generator would substitute the appropriate control names,
property settings, and so forth.
I would then need to run this code at design time to get the controls
on the form, but I'm not sure how to create a form and run this code.
I can put it in the Form_Load event, but then the controls are created
only at run time, and I would like to be able to save the controls on
the form.
Can anyone point me in the right direction?
Thanks,
Chris
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On Tue, 3 Aug 2004 20:52:38 -0400, "Hal Rosser"
<hm******@bells outh.net> wrote: In VB6 - you you have to create a control array of each control type you
want to add at run time.(by setting the index property to 0) - you can set
the visible property to false if you don't want it to show. You can add
additional members of the control array - but you can't just add a control
programaticall y (unless its part of a control array) - go figure.
I think you'll find that you can do it in VB6
But it is not much use
The Control Array approach is, I think the best
"J French" <er*****@nowher e.com> wrote in message
news:41******** *******@news.bt click.com...
| On Tue, 3 Aug 2004 20:52:38 -0400, "Hal Rosser"
| <hm******@bells outh.net> wrote:
|
| >In VB6 - you you have to create a control array of each control type
you
| >want to add at run time.(by setting the index property to 0) - you
can set
| >the visible property to false if you don't want it to show. You can
add
| >additional members of the control array - but you can't just add a
control
| >programaticall y (unless its part of a control array) - go figure.
|
| I think you'll find that you can do it in VB6
|
| But it is not much use
|
| The Control Array approach is, I think the best
There wouldn't be much point in adding a control at runtime that wasn't
part of a control array, since you would have no event handlers for it
anyway.
If the OP really wants to do a code generator, OP could develop an
Add-In, which means learning the whole VBIDE object model and messing
with that. Or, OP could generate .frm files directly, then go to VB and
put them in a project.
A .frm file is just a text file, you can open several in NotePad to see
what they look like, and also the project.vbp file, to see how forms get
included in a project.
A bit scary, but maybe fun to play around with...
On Wed, 4 Aug 2004 19:31:54 -0700, "Steve Gerrard"
<my********@com cast.net> wrote:
"J French" <er*****@nowher e.com> wrote in message
news:41******* ********@news.b tclick.com...
| On Tue, 3 Aug 2004 20:52:38 -0400, "Hal Rosser"
| <hm******@bells outh.net> wrote:
|
| >In VB6 - you you have to create a control array of each control type
you
| >want to add at run time.(by setting the index property to 0) - you
can set
| >the visible property to false if you don't want it to show. You can
add
| >additional members of the control array - but you can't just add a
control
| >programaticall y (unless its part of a control array) - go figure.
|
| I think you'll find that you can do it in VB6
|
| But it is not much use
|
| The Control Array approach is, I think the best
There wouldn't be much point in adding a control at runtime that wasn't
part of a control array, since you would have no event handlers for it
anyway.
Agreed
If the OP really wants to do a code generator, OP could develop an
Add-In, which means learning the whole VBIDE object model and messing
with that. Or, OP could generate .frm files directly, then go to VB and
put them in a project.
Yes, but I rather suspect that the OP does not want to ship the VB
compiler to his users
A .frm file is just a text file, you can open several in NotePad to see
what they look like, and also the project.vbp file, to see how forms get
included in a project.
And it would be a good idea to copy that structure
- a way of 'double testing' during App development
A bit scary, but maybe fun to play around with...
While the OP would probably land up storing Control array parameters
in UDTs (for speed), it would be a good idea to write something that
generates a UDT from a Form and a Form from a UDT
- it would really show up errors This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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