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https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
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246 lines
5.4 KiB
C++
246 lines
5.4 KiB
C++
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// ResizablePage.cpp : implementation file
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//
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/////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2000 by Paolo Messina
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// (ppescher@yahoo.com)
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//
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// Free for non-commercial use.
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// You may change the code to your needs,
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// provided that credits to the original
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// author is given in the modified files.
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//
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/////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "ResizablePage.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CResizablePage
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IMPLEMENT_DYNCREATE(CResizablePage, CPropertyPage)
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inline void CResizablePage::Construct()
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{
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m_bInitDone = FALSE;
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}
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CResizablePage::CResizablePage()
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{
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Construct();
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}
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CResizablePage::CResizablePage(UINT nIDTemplate, UINT nIDCaption)
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: CPropertyPage(nIDTemplate, nIDCaption)
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{
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Construct();
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}
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CResizablePage::CResizablePage(LPCTSTR lpszTemplateName, UINT nIDCaption)
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: CPropertyPage(lpszTemplateName, nIDCaption)
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{
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Construct();
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}
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CResizablePage::~CResizablePage()
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{
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Layout *pl;
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POSITION pos = m_plLayoutList.GetHeadPosition();
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while (pos != NULL)
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{
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pl = (Layout*)m_plLayoutList.GetNext(pos);
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delete pl;
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}
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}
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BEGIN_MESSAGE_MAP(CResizablePage, CPropertyPage)
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//{{AFX_MSG_MAP(CResizablePage)
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ON_WM_SIZE()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CResizablePage message handlers
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BOOL CResizablePage::OnInitDialog()
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{
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CPropertyPage::OnInitDialog();
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// gets the initial size as the min track size
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CRect rc;
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GetWindowRect(&rc);
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m_bInitDone = TRUE;
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return TRUE; // return TRUE unless you set the focus to a control
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// EXCEPTION: OCX Property Pages should return FALSE
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}
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void CResizablePage::AddAnchor(HWND wnd, CSize tl_type, CSize br_type)
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{
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ASSERT(wnd != NULL && ::IsWindow(wnd));
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ASSERT(::IsChild(*this, wnd));
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ASSERT(tl_type != NOANCHOR);
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// get control's window class
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CString st;
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GetClassName(wnd, st.GetBufferSetLength(MAX_PATH), MAX_PATH);
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st.ReleaseBuffer();
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st.MakeUpper();
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// add the style 'clipsiblings' to a GroupBox
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// to avoid unnecessary repainting of controls inside
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if (st == "BUTTON")
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{
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DWORD style = GetWindowLong(wnd, GWL_STYLE);
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if (style & BS_GROUPBOX)
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SetWindowLong(wnd, GWL_STYLE, style | WS_CLIPSIBLINGS);
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}
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// wnd classes that don't redraw client area correctly
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// when the hor scroll pos changes due to a resizing
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BOOL hscroll = FALSE;
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if (st == "LISTBOX")
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hscroll = TRUE;
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// wnd classes that need refresh when resized
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BOOL refresh = FALSE;
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if (st == "STATIC")
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{
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DWORD style = GetWindowLong(wnd, GWL_STYLE);
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switch (style & SS_TYPEMASK)
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{
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case SS_LEFT:
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case SS_CENTER:
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case SS_RIGHT:
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// word-wrapped text needs refresh
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refresh = TRUE;
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}
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// centered images or text need refresh
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if (style & SS_CENTERIMAGE)
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refresh = TRUE;
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// simple text never needs refresh
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if ((style & SS_TYPEMASK) == SS_SIMPLE)
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refresh = FALSE;
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}
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// get dialog's and control's rect
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CRect wndrc, objrc;
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GetClientRect(&wndrc);
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::GetWindowRect(wnd, &objrc);
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ScreenToClient(&objrc);
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CSize tl_margin, br_margin;
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if (br_type == NOANCHOR)
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br_type = tl_type;
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// calculate margin for the top-left corner
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tl_margin.cx = objrc.left - wndrc.Width() * tl_type.cx / 100;
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tl_margin.cy = objrc.top - wndrc.Height() * tl_type.cy / 100;
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// calculate margin for the bottom-right corner
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br_margin.cx = objrc.right - wndrc.Width() * br_type.cx / 100;
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br_margin.cy = objrc.bottom - wndrc.Height() * br_type.cy / 100;
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// add to the list
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m_plLayoutList.AddTail(new Layout(wnd, tl_type, tl_margin,
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br_type, br_margin, hscroll, refresh));
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}
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void CResizablePage::ArrangeLayout()
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{
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// init some vars
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CRect wndrc;
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GetClientRect(&wndrc);
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Layout *pl;
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POSITION pos = m_plLayoutList.GetHeadPosition();
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HDWP hdwp = BeginDeferWindowPos((int)m_plLayoutList.GetCount());
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while (pos != NULL)
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{
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pl = (Layout*)m_plLayoutList.GetNext(pos);
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CRect objrc, newrc;
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CWnd* wnd = CWnd::FromHandle(pl->hwnd); // temporary solution
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wnd->GetWindowRect(&objrc);
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ScreenToClient(&objrc);
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// calculate new top-left corner
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newrc.left = pl->tl_margin.cx + wndrc.Width() * pl->tl_type.cx / 100;
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newrc.top = pl->tl_margin.cy + wndrc.Height() * pl->tl_type.cy / 100;
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// calculate new bottom-right corner
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newrc.right = pl->br_margin.cx + wndrc.Width() * pl->br_type.cx / 100;
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newrc.bottom = pl->br_margin.cy + wndrc.Height() * pl->br_type.cy / 100;
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if (!newrc.EqualRect(&objrc))
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{
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BOOL add = TRUE;
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if (pl->adj_hscroll)
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{
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// needs repainting, due to horiz scrolling
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int diff = newrc.Width() - objrc.Width();
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int max = wnd->GetScrollLimit(SB_HORZ);
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if (max > 0 && wnd->GetScrollPos(SB_HORZ) > max - diff)
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{
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wnd->MoveWindow(&newrc);
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wnd->Invalidate();
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wnd->UpdateWindow();
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add = FALSE;
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}
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}
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if (pl->need_refresh)
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{
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wnd->MoveWindow(&newrc);
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wnd->Invalidate();
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wnd->UpdateWindow();
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add = FALSE;
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}
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if (add)
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DeferWindowPos(hdwp, pl->hwnd, NULL, newrc.left, newrc.top,
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newrc.Width(), newrc.Height(), SWP_NOZORDER | SWP_NOACTIVATE);
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}
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}
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// go re-arrange child windows
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EndDeferWindowPos(hdwp);
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}
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void CResizablePage::OnSize(UINT nType, int cx, int cy)
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{
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CWnd::OnSize(nType, cx, cy);
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if (m_bInitDone)
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ArrangeLayout();
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}
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