Resizing Modal CDialog in OnInitDialog not working

[Suzanne Gagnon]

Greetings.
I have CDialog that is based on a dialog resource created
as a popup and using resizing borders.
The dialog contains a CListCtrl, a few buttons, and I'm
adding a PropertySheet on the fly in the OnInitDialog.

Since the Prop sheet does fine at sizing itself to the
sizes of the pages it contains, I have decided to let it
do that, size the CDialog dynamically around
that, and then position/size the other controls
dynamically as well.
( Pls tell me if you think that isn't smart. )

The CDialog is Modal.

After creating it (& adding pages), I get the size of the
PropertySheet by calling pSheet->GetClientRect().

Then I get the size of the CDialog by calling
GetClientRect.

I modify the height of the dialog by calling SetWindowPos.

If I next call GetClientRect on the CDialog, the CDialog
has size has changed, but not to the dimensions I
assigned.

Here is the code:

BOOL CStaCfgDlg::OnInitDialog()
{
CDialog::OnInitDialog();

if (!m_pSheet)
{
m_pSheet = new CDevCfgSheet("testsheet", m_pDoc,
this);
}

if (!m_pSheet->Create(this, WS_CHILD | WS_VISIBLE))
{
return FALSE;
}

RECT cr, bcr, scr;
GetClientRect( &cr );
m_BtnApply.GetClientRect( &bcr );
m_pSheet->GetClientRect( &scr );

//here cr.right = 573 cr.bottom = 348

// size the dlg vertically
cr.bottom = scr.bottom + SCD_MID_MARGIN + bcr.bottom +
SCD_BOTTOM_MARGIN;

// now cr.bottom = 350 I know, I know, big diff!

SetWindowPos( NULL, 0, 0, cr.right, cr.bottom,
SWP_NOMOVE|SWP_NOZORDER );
GetClientRect( &cr );

// now cr.right = 565, cr.bottom = 316 !!!
// how did this happen??

return TRUE;
}

I have also tried using the MoveWindow() method, with the
same result:

CRect myCRect;
GetClientRect(&myCRect);

myCRect.bottom = scr.bottom + SCD_MID_MARGIN +
bcr.bottom + SCD_BOTTOM_MARGIN;
ClientToScreen(myCRect);

MoveWindow(myCRect.left, myCRect.top, myCRect.Width(),
myCRect.Height());

What in the world am I doing wrong?

Thanks.
Suz.

[David Lowndes]

>After creating it (& adding pages), I get the size of the
>PropertySheet by calling pSheet->GetClientRect().
>
>Then I get the size of the CDialog by calling
>GetClientRect.
>
>I modify the height of the dialog by calling SetWindowPos.
>
>If I next call GetClientRect on the CDialog, the CDialog
>has size has changed, but not to the dimensions I
>assigned.

GetClientRect doesn't include the borders and caption bar space of the
dialog. Try reworking your code to use GetWindowRect instead.

Dave
--
MVP VC++ FAQ: http://www.mvps.org/vcfaq

[Suzanne Gagnon]

Problem solved!
Thank you very much for your help.
Suz.

>.
>