[AccessD] Tab Control Hover Color Changing

[John Colby]

Is it by any chance a property of the tab control itself?  Something has to
be manipulating the individual pages.

On Thu, Apr 28, 2022 at 5:24 PM David Emerson <newsgrps at dalyn.co.nz> wrote:

> Hi John,
>
> You have hit the nail on the head with your last paragraph.  If only I
> could
> work out the property that controls the hover fore color.  The one shown in
> the tab control property box only works when Use Theme is selected.
> Individual page controls do not have any properties showing for colors.
>
> Regards
>
> David Emerson
> Dalyn Software Ltd
> Wellington, New Zealand
>
>
>
> -----Original Message-----
> From: AccessD <accessd-bounces+newsgrps=dalyn.co.nz at databaseadvisors.com>
> On
> Behalf Of John Colby
> Sent: Friday, 29 April 2022 8:47 am
> To: Access Developers discussion and problem solving
> <accessd at databaseadvisors.com>
> Subject: Re: [AccessD] Tab Control Hover Color Changing
>
> My head hurts!  What I think I know is that each tab page is a control.
> The tab is a control, and the tab pages are actual controls which are
> children of the Tab control.  There is a controls collection that contains
> the tab pages.  The pages can be manipulated by setting a variable to point
> to one of the tab pages (index into that collection) and then read / write
> the various tab page properties.
>
> Which quickly gets clunky.  The problem is that if you want to do anything
> with a control such as a tab control, any code for that control has to be
> placed into the *FORM'S* "code behind form" class module.  Likewise the
> code
> for the individual tab pages.  Soon the form's class has been overrun with
> code having nothing to do with the form.
>
> You know me, I tend to use classes to "wrap" controls.  The form (and
> report) is the only thing that has a built in class to hold code and
> variables.  But any class (that we design) can "wrap" a control.  We pass
> (for example) a tab page control into the class and store a pointer to that
> in a variable in the header of said class.  Now you can have code that
> manipulates that exact tab page, stored right there with thas specific tab
> page.  The class wrapper can read the control properties to discover their
> state.  It can write to the control properties to cause the control to do
> something.  It can sink the events from the control to cause the class to
> execute code that you write when an event fires.  Now you have an instance
> of a class for each tab page.
>
> This is precisely how I accomplish my "JIT" subforms.
>
> So I have no idea specifically what is going on with the individual tab
> page
> controls in your example.  But if there are control properties that are
> used
> to read and write these colors, then a wrapper class can hold an
> instance   of (pointer to) a specific tab page and do whatever you want to
> that page, whenever you want it to do that.  Hold "original state" to look
> back at as needed.
>
> You should be able to read the colors out as the form opens, and manipulate
> the colors with code as you desire.  If you figure out the code to do this,
> and place that code into a wrapper class, then the exact same code will
> work
> for whichever tab needs to be manipulated, stored right in the wrapper
> class
> along with a pointer to a specific tab.
>
> On Thu, Apr 28, 2022 at 3:52 PM David Emerson <newsgrps at dalyn.co.nz>
> wrote:
>
> > Hi Listers,
> >
> > I have a form with a tab control.  There are 14 tabs. The Style
> > property is set to Buttons.  The Use Theme property is set to No (This
> > is because Use Theme doesn't allow Multi-Row, and in Design View the
> > tab control can't be made narrower than the width of all the buttons -
> > the buttons are wider than the form width so the form cannot be sized
> > to fit the form width)
> >
> > Depending on the value of a field on the first tab, the subsequent
> > tabs are either set to visible or not.
> >
> > If I don't change any tabs (ie set them to visible or not) then when I
> > hover over a tab button the font color stays the same.  However, when
> > I do change any tabs by setting them visible or invisible, then the
> > hover color of the font is a light blue.  I do not want the hover
> > color to change.
> >
> > I have tried changing the Hover color property but this is only
> > relevant if the Use Theme property is set to Yes.
> >
> > I have 2 other tab forms that act in the same way - hover color if I
> > make tabs invisible, no color if I don't hide tabs.
> >
> > I have tested it in a different database with the same result.
> >
> > Has anyone come across this before?
> >
> > My current solution is to create an extra tab on the other 2 forms and
> > hide it when the form loads - this means all the tabs show the hover
> color.
> >
> > Ideally I would like to either not have the hover color show (it is a
> > light blue), or be able to change it to a color that suits the color
> > scheme for the application.
> >
> > Regards
> >
> > David Emerson
> > Dalyn Software Ltd
> > Wellington, New Zealand
> >
> >
> >
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> > Website: http://www.databaseadvisors.com
> >
>
>
> --
> John W. Colby
> Colby Consulting
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-- 
John W. Colby
Colby Consulting