Help Using code in www.mvps.org API CALL to hide Access 97 
Author Message
 Help Using code in www.mvps.org API CALL to hide Access 97

Hi all

I'm trying to hide the access 97 so that when I run my program access will
not appear in the background, I found a sample of doing this in
www.mvps.org/access/api/api0019.htm but I can't get the hide call to work.
my main form is set up as a pop, as the document says, when when I call the
function I get a msg that say that no form has been loaded, even if the form
has been already loaded I keep getting this error. Has someone use this
function? any help is appreciated.

Ildevert



Wed, 07 May 2003 03:00:00 GMT  
 Help Using code in www.mvps.org API CALL to hide Access 97


Quote:
> Hi all

> I'm trying to hide the access 97 so that when I run my program access will
> not appear in the background, I found a sample of doing this in
> www.mvps.org/access/api/api0019.htm but I can't get the hide call to work.
> my main form is set up as a pop, as the document says, when when I call
the
> function I get a msg that say that no form has been loaded, even if the
form
> has been already loaded I keep getting this error. Has someone use this
> function? any help is appreciated.

> Ildevert



Thu, 08 May 2003 17:45:19 GMT  
 Help Using code in www.mvps.org API CALL to hide Access 97
It's taken me about 30 minutes to pin this down ... I'm no MVP :)

Initially, I too was getting the error all of the time, so I looked at
the code itself. For some reason it will cause an error unless the Pop
Up property of the form is set to 'Yes'.

The Pop Up property is on the 'Other' tab of the Properties dialogue.

It doesn't mention this on Dev's site...

HTH
James



Thu, 08 May 2003 03:00:00 GMT  
 Help Using code in www.mvps.org API CALL to hide Access 97
Opps... I was so pleased with myself for making it work at this end,
that I didn't really read your posting properly. You already know
about the Pop Up property - and it's on Dev's site too. Sorry!

All I can tell you is that making sure that the form has loaded before
calling the function *and* having the popup property set to Yes makes
this function work fine on my machine. So the code does work (Win95).

What event do you use to call the function?



Thu, 08 May 2003 03:00:00 GMT  
 Help Using code in www.mvps.org API CALL to hide Access 97
Okay - in an attempt to make good - this is what I have found out:

Following the instructions to the letter, I can't get this to work
either.

If the function is called using the onOpen event, an error is
generated by the line

        Set loForm = Screen.ActiveForm

The error is: (#2475)
You entered an expression that requires a form to be the active window

It's as if Screen.ActiveForm method is not updated by the time the
onOpen event occurs.

I've played with other events and can't find one which does the job.

I can only get this function to work if I put the function call on a
Command button on the form - thus ensuring that the form is the
current form.

Sorry for being idiotic :)

HTH!



Thu, 08 May 2003 03:00:00 GMT  
 Help Using code in www.mvps.org API CALL to hide Access 97


Quote:



> > Hi all

> > I'm trying to hide the access 97 so that when I run my program access
will
> > not appear in the background, I found a sample of doing this in
> > www.mvps.org/access/api/api0019.htm but I can't get the hide call to
work.
> > my main form is set up as a pop, as the document says, when when I call
> the
> > function I get a msg that say that no form has been loaded, even if the
> form
> > has been already loaded I keep getting this error. Has someone use this
> > function? any help is appreciated.

> > Ildevert



Thu, 08 May 2003 03:00:00 GMT  
 Help Using code in www.mvps.org API CALL to hide Access 97
James,

It does nor work, I've  tried in the onOpen, on Activate and so on, but it
seems not to work. Also my form is set to pop up/modal = yes. Somehow is not
working.

thanks for your help....  I'll keep playing with it to see if I can get it
to work

Ildevert


Quote:
> Hi all

> I'm trying to hide the access 97 so that when I run my program access will
> not appear in the background, I found a sample of doing this in
> www.mvps.org/access/api/api0019.htm but I can't get the hide call to work.
> my main form is set up as a pop, as the document says, when when I call
the
> function I get a msg that say that no form has been loaded, even if the
form
> has been already loaded I keep getting this error. Has someone use this
> function? any help is appreciated.

> Ildevert



Thu, 08 May 2003 03:00:00 GMT  
 Help Using code in www.mvps.org API CALL to hide Access 97
When I try this code using Access 2000 everything hides - including the
Popup dialog. I only want to hide Access window not the dialogs. Am I
miising something?

John A.

Quote:





> > > Hi all

> > > I'm trying to hide the access 97 so that when I run my program access
> will
> > > not appear in the background, I found a sample of doing this in
> > > www.mvps.org/access/api/api0019.htm but I can't get the hide call to
> work.
> > > my main form is set up as a pop, as the document says, when when I
call
> > the
> > > function I get a msg that say that no form has been loaded, even if
the
> > form
> > > has been already loaded I keep getting this error. Has someone use
this
> > > function? any help is appreciated.

> > > Ildevert



Mon, 25 Aug 2003 03:44:43 GMT  
 Help Using code in www.mvps.org API CALL to hide Access 97
What you need to do is open the form through code. Make sure the forms you
open are set to "POPUP". Run the code then open the form(s). Best bet is to
run the code in the autoexec macro and then load the form.

Option Compare Database
Option Explicit
Global Const SW_HIDE = 0
Global Const SW_SHOWNORMAL = 1
Global Const SW_SHOWMINIMIZED = 2
Global Const SW_SHOWMAXIMIZED = 3

Private Declare Function apiShowWindow Lib "user32" _
    Alias "ShowWindow" (ByVal hwnd As Long, _
          ByVal nCmdShow As Long) As Long

Function fSetAccessWindow(nCmdShow As Long)
'Usage Examples
'Maximize window:
'       ?fSetAccessWindow(SW_SHOWMAXIMIZED)
'Minimize window:
'       ?fSetAccessWindow(SW_SHOWMINIMIZED)
'Hide window:
'       ?fSetAccessWindow(SW_HIDE)
'Normal window:
'       ?fSetAccessWindow(SW_SHOWNORMAL)
'
Dim loX  As Long
Dim loForm As Form
    On Error Resume Next
    Set loForm = Screen.ActiveForm
    If Err <> 0 Then 'no Activeform
      If nCmdShow = SW_HIDE Then
        MsgBox "Cannot hide Access unless " _
                    & "a form is on screen"
      Else
        loX = apiShowWindow(hWndAccessApp, nCmdShow)
        Err.Clear
      End If
    Else
        If nCmdShow = SW_SHOWMINIMIZED And loForm.Modal = True Then
            MsgBox "Cannot minimize Access with " _
                    & (loForm.Caption + " ") _
                    & "form on screen"
        ElseIf nCmdShow = SW_HIDE And loForm.PopUp <> True Then
            MsgBox "Cannot hide Access with " _
                    & (loForm.Caption + " ") _
                    & "form on screen"
        Else
            loX = apiShowWindow(hWndAccessApp, nCmdShow)
        End If
    End If
    fSetAccessWindow = (loX <> 0)

    DoCmd.OpenForm "form1"

End Function



Mon, 25 Aug 2003 17:56:26 GMT  
 Help Using code in www.mvps.org API CALL to hide Access 97
Forget my previous post, was little hasty! What will work is if you close
the form and re-open it after you have hidden the window. You must have a
form on screen in order for this work, setting the focus to the form does
not do it. After the function is run do the following.

    DoCmd.Close acForm, "Form1"
    DoCmd.OpenForm "Form1", , , , , acDialog



Mon, 25 Aug 2003 18:08:43 GMT  
 
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