Re: Change Property Sheet Size?

"AliR \(VC++ MVP\)" <AliR@online.nospam>
Wed, 14 Jan 2009 16:17:55 -0600
The OnSize method of the propertysheet class would be a good place to resize
the tab and the pages. The article I posted describes this. The apply it
to a propertysheet that gets resized by the user, your is getting resized by
the programmer, subtract the code that puts the resize ancher on the bottom
of the dialog and the rest is exactly the same.

Here is the answer all spelled out:
//////////////////////////// CMyPropertySheet.h
#pragma once

// CMyPropertySheet

class CMyPropertySheet : public CPropertySheet

   CMyPropertySheet(UINT nIDCaption, CWnd* pParentWnd = NULL, UINT
iSelectPage = 0);
   CMyPropertySheet(LPCTSTR pszCaption, CWnd* pParentWnd = NULL, UINT
iSelectPage = 0);
   virtual ~CMyPropertySheet();

   BOOL m_bNeedInit;
   CRect m_rCrt;

   virtual BOOL OnInitDialog();
   afx_msg void OnSize(UINT nType, int cx, int cy);

//////////////////////////// CMyPropertySheet.cpp
// MyPropertySheet.cpp : implementation file

#include "stdafx.h"
#include "MyPropertySheet.h"
#include ".\mypropertysheet.h"

// CMyPropertySheet

IMPLEMENT_DYNAMIC(CMyPropertySheet, CPropertySheet)

: m_bNeedInit(TRUE)

CMyPropertySheet::CMyPropertySheet(UINT nIDCaption, CWnd* pParentWnd, UINT
:CPropertySheet(nIDCaption, pParentWnd, iSelectPage)
, m_bNeedInit(TRUE)

CMyPropertySheet::CMyPropertySheet(LPCTSTR pszCaption, CWnd* pParentWnd,
UINT iSelectPage)
: CPropertySheet(pszCaption, pParentWnd, iSelectPage)
, m_bNeedInit(TRUE)


BEGIN_MESSAGE_MAP(CMyPropertySheet, CPropertySheet)

// CMyPropertySheet message handlers

BOOL CMyPropertySheet::OnInitDialog()
   BOOL bResult = CPropertySheet::OnInitDialog();

   m_bNeedInit = FALSE;

   return bResult;

// Handle WM_SIZE events by resizing the tab control and by
// moving all the buttons on the property sheet.
void CMyPropertySheet::OnSize(UINT nType, int cx, int cy)
   CRect r1;
   CPropertySheet::OnSize(nType, cx, cy);

   if (m_bNeedInit)

   CTabCtrl *pTab = GetTabControl();
   ASSERT(NULL != pTab && IsWindow(pTab->m_hWnd));

   int dx = cx - m_rCrt.Width();
   int dy = cy - m_rCrt.Height();

   HDWP hDWP = ::BeginDeferWindowPos(5);

   r1.right += dx; r1.bottom += dy;
   ::DeferWindowPos(hDWP, pTab->m_hWnd, NULL,
                    0, 0, r1.Width(), r1.Height(),

   // Move all buttons with the lower right sides
   for (CWnd *pChild = GetWindow(GW_CHILD);
        pChild != NULL;
        pChild = pChild->GetWindow(GW_HWNDNEXT))
      if (pChild->SendMessage(WM_GETDLGCODE) & DLGC_BUTTON)
         pChild->GetWindowRect(&r1); ScreenToClient(&r1); += dy; r1.bottom += dy; r1.left+= dx; r1.right += dx;
         ::DeferWindowPos(hDWP, pChild->m_hWnd, NULL,
                          r1.left,, 0, 0,
      // Resize everything else...
       r1.right += dx; r1.bottom += dy;
       ::DeferWindowPos(hDWP, pChild->m_hWnd, NULL, 0, 0, r1.Width(),



And you can change the layout of the controls on your propertypages in the
OnSize handler of each of your PropertyPage classes.

"rockdale" <> wrote in message

Thanks for all the reply. It is very informative.

I should not put the property sheet need to occupy the whole dialog.
This is just for simplify my question. My main dialog contains other
controls too. (not only the property sheet).

Victor- you are right. I can not call setwindowpos before I create the
propertysheet. Then here is another question, I create the
PropertySheet first then call the setwindowpos, then whenever I call
m_pMainTabs->GetWindowRect, I got the original size of the
propertysheet. I need the changed size so that I can lay out my
controls in the property page?

ALiR- Yes, I need to call The GetTabControl to get the CTabCtrl and
resize it. Now my problem is where should I resize my PropertyPage? I
read the MS article before but I do not need to make the Dialog
resizable, I just want to adjust the dialog size to the max of user
screen size and lay out the property sheet, property pages and
controls properly.

See my changed code below:

This code successfully resize the PropertySheet and its TabCtrl to the
dialog size,

in onInitDialog of PropertyPage

CRect rcPage;
CRect rcSheet;


the rcSheet shows the original size of the property sheet.
and the rcPage shows the original size of the property page.

This OnInitDialog of propertyPage get called when I create the
propertysheet, and now I have not resize the property sheet yet, hence
I can not get the right size to layout my controls on the property

I find some examples on CodeGuru and CodeParojects, but none of them
is what I wanted. Maybe somebody can show me links or point out what
should I do?

CPropertySheet* m_pMainTabs;
CPropertyPage* m_pMyPage1;
CPropertyPage* m_pMyPage2;

 BOOL CMyDlg::OnInitDialog()
       //resize window to maximum screen size
       CSize screenSize; = ::GetSystemMetrics(SM_CXSCREEN); = ::GetSystemMetrics(SM_CYSCREEN);

//Resize PropertySheet before add pages
CRect rcDlg, rcSheet;


// Now "initialize" the property sheet window.
if(!m_pMainTabs->Create(this, WS_CHILD | WS_VISIBLE)){
delete m_pMainTabs;
m_pMainTabs = NULL;
m_pMainTabs->ModifyStyleEx (0, WS_EX_CONTROLPARENT);
m_pMainTabs->ModifyStyle( 0, WS_TABSTOP );

m_pMainTabs->SetWindowPos(NULL, rcDlg.left,, rcDlg.Width(),


m_pMainTabs->GetTabControl()->SetWindowPos( NULL, rcSheet.left,, rcSheet.Width(), rcSheet.Height(),



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