初步修复
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// PageDragAndDropClient.cpp : implementation file
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//
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// This file is a part of the XTREME TOOLKIT PRO MFC class library.
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// (c)1998-2008 Codejock Software, All Rights Reserved.
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//
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// THIS SOURCE FILE IS THE PROPERTY OF CODEJOCK SOFTWARE AND IS NOT TO BE
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// RE-DISTRIBUTED BY ANY MEANS WHATSOEVER WITHOUT THE EXPRESSED WRITTEN
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// CONSENT OF CODEJOCK SOFTWARE.
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//
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// THIS SOURCE CODE CAN ONLY BE USED UNDER THE TERMS AND CONDITIONS OUTLINED
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// IN THE XTREME TOOLKIT PRO LICENSE AGREEMENT. CODEJOCK SOFTWARE GRANTS TO
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// YOU (ONE SOFTWARE DEVELOPER) THE LIMITED RIGHT TO USE THIS SOFTWARE ON A
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// SINGLE COMPUTER.
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//
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// CONTACT INFORMATION:
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// support@codejock.com
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// http://www.codejock.com
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//
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/////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "toolbox.h"
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#include "PageDragAndDropClient.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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// CPageDragAndDropClient
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CPageDragAndDropClient::CPageDragAndDropClient()
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{
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m_imageManager.SetIcons(IDB_TRASH, 0, 0, CSize(48, 48));
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m_bDragging = FALSE;
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}
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CPageDragAndDropClient::~CPageDragAndDropClient()
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{
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for (int i = 0; i < m_arrItems.GetSize(); i++)
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{
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m_arrItems[i]->InternalRelease();
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}
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}
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BEGIN_MESSAGE_MAP(CPageDragAndDropClient, CStatic)
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//{{AFX_MSG_MAP(CPageDragAndDropClient)
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ON_WM_ERASEBKGND()
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ON_WM_PAINT()
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ON_WM_LBUTTONDOWN()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CPageDragAndDropClient message handlers
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BOOL CPageDragAndDropClient::OnEraseBkgnd(CDC* )
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{
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return TRUE;
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}
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CXTPTaskPanel* CPageDragAndDropClient::GetTaskPanel()
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{
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CWnd* pSplitterWnd = GetParentFrame()->GetDlgItem(AFX_IDW_PANE_FIRST);
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ASSERT_KINDOF(CSplitterWnd, pSplitterWnd);
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return (CXTPTaskPanel*)pSplitterWnd->GetDlgItem(AFX_IDW_PANE_FIRST);
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}
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void CPageDragAndDropClient::OnPaint()
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{
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CPaintDC dcPaint(this); // device context for painting
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CXTPClientRect rc(this);
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CXTPBufferDC dc(dcPaint, rc);
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dc.FillSolidRect(rc, GetSysColor(COLOR_3DFACE));
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for (int i = 0; i < m_arrItems.GetSize(); i++)
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{
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CXTPTaskPanelGroupItem* pItem = m_arrItems[i];
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CRect rcItem = pItem->GetItemRect();
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GetTaskPanel()->GetPaintManager()->DrawGroupItemFrame(&dc, pItem, rcItem);
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CXTPImageManagerIcon* pImage = GetTaskPanel()->GetImageManager()->GetImage(pItem->GetIconIndex());
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if (pImage)
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{
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CPoint ptIcon((rcItem.right + rcItem.left - 16) / 2, (rcItem.top + rcItem.bottom - 16) / 2);
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pImage->Draw(&dc, ptIcon, pImage->GetIcon());
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}
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}
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CRect rcTrash(rc.right - 72, rc.bottom - 72, rc.right - 12, rc.bottom - 12);
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dc.FillSolidRect(rcTrash, GetSysColor(COLOR_3DFACE));
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dc.Draw3dRect(rcTrash, GetSysColor(COLOR_3DHIGHLIGHT), GetSysColor(COLOR_3DSHADOW));
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CXTPImageManagerIcon* pImage = m_imageManager.GetImage(0, 48);
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if (pImage)
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{
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CPoint ptImage((rcTrash.right + rcTrash.left - 48) / 2, (rcTrash.top + rcTrash.bottom - 48) / 2);
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pImage->Draw(&dc, ptImage, pImage->GetIcon());
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}
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}
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void CPageDragAndDropClient::PreSubclassWindow()
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{
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Register(this);
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EnableToolTips();
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CStatic::PreSubclassWindow();
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}
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BOOL CPageDragAndDropClient::PtInTrash(CPoint point)
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{
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CXTPClientRect rc(this);
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CRect rcTrash(rc.right - 72, rc.bottom - 72, rc.right - 12, rc.bottom - 12);
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return rcTrash.PtInRect(point);
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}
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DROPEFFECT CPageDragAndDropClient::OnDragOver(CWnd* /*pWnd*/, COleDataObject* pDataObject,
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DWORD dwKeyState, CPoint point)
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{
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if (!pDataObject || !pDataObject->IsDataAvailable(CXTPTaskPanel::GetClipboardFormat()))
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return DROPEFFECT_NONE;
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if (PtInTrash(point))
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return DROPEFFECT_MOVE;
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if (!m_bDragging || ((dwKeyState & MK_CONTROL) == MK_CONTROL))
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return DROPEFFECT_COPY;
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return DROPEFFECT_MOVE;
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}
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BOOL CPageDragAndDropClient::OnDrop(CWnd* /*pWnd*/, COleDataObject* pDataObject,
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DROPEFFECT /*dropEffect*/, CPoint point)
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{
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if (PtInTrash(point))
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return TRUE;
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CXTPTaskPanelGroupItem* pItemDrop = (CXTPTaskPanelGroupItem*)CXTPTaskPanelItem::CreateFromOleData(pDataObject);
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if (!pItemDrop)
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return FALSE;
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ASSERT_KINDOF(CXTPTaskPanelGroupItem, pItemDrop);
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m_arrItems.Add(pItemDrop);
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pItemDrop->SetItemRect(CRect(point.x - 14, point.y - 14, point.x + 14, point.y + 14));
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Invalidate(FALSE);
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return TRUE;
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}
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int CPageDragAndDropClient::HitTest(CPoint point) const
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{
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for (int i = (int)m_arrItems.GetSize() - 1; i >= 0; i--)
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{
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CXTPTaskPanelGroupItem* pItem = m_arrItems[i];
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if (pItem->GetItemRect().PtInRect(point))
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return i;
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}
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return -1;
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}
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void CPageDragAndDropClient::OnLButtonDown(UINT /*nFlags*/, CPoint point)
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{
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int nHit = HitTest(point);
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CXTPTaskPanelGroupItem* pItem = (nHit >= 0? m_arrItems[nHit]: NULL);
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if (!pItem)
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return;
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COleDataSource ds;
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if (!pItem->PrepareDrag(ds))
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return;
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m_bDragging = TRUE;
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DROPEFFECT dropEffect = ds.DoDragDrop(DROPEFFECT_COPY|DROPEFFECT_MOVE);
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m_bDragging = FALSE;
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if (dropEffect == DROPEFFECT_MOVE)
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{
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pItem->InternalRelease();
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m_arrItems.RemoveAt(nHit);
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}
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Invalidate(FALSE);
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}
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INT_PTR CPageDragAndDropClient::OnToolHitTest(CPoint point, TOOLINFO* pTI) const
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{
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// check child windows first by calling CControlBar
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INT_PTR nHit = CWnd::OnToolHitTest(point, pTI);
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if (nHit != -1)
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return nHit;
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int nItem = HitTest(point);
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CXTPTaskPanelGroupItem* pItem = (nItem >= 0? m_arrItems[nItem]: NULL);
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if (pItem)
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{
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int nHit = pItem->GetID();
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CString strTip = pItem->GetCaption();
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if (strTip.GetLength() == 0)
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return -1;
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#if _MSC_VER < 1200 // MFC 5.0
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if (pTI != NULL)
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#else
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if (pTI != NULL)
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#endif
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{
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pTI->hwnd = GetSafeHwnd();
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pTI->rect = pItem->GetItemRect();
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pTI->uId = nHit;
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pTI->lpszText = (LPTSTR) ::calloc(strTip.GetLength() + 1, sizeof(TCHAR));
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if( pTI->lpszText != NULL ) STRCPY_S(pTI->lpszText, strTip.GetLength() + 1, (LPCTSTR)strTip);
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}
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return TRUE;
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}
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return -1;
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}
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