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488 lines
13 KiB
488 lines
13 KiB
/*******************************************************************************
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*
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* basetree.cpp
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*
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* implementation of the CBaseTreeView class
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*
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* copyright notice: Copyright 1997, Citrix Systems Inc.
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* Copyright (c) 1998 - 1999 Microsoft Corporation
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*
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* $Author: donm $ Don Messerli
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*
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* $Log: N:\nt\private\utils\citrix\winutils\tsadmin\VCS\basetree.cpp $
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*
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* Rev 1.4 19 Feb 1998 17:39:58 donm
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* removed latest extension DLL support
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*
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* Rev 1.2 19 Jan 1998 17:03:10 donm
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* new ui behavior for domains and servers
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*
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* Rev 1.1 03 Nov 1997 15:21:28 donm
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* update
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*
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* Rev 1.0 13 Oct 1997 22:31:30 donm
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* Initial revision.
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*
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*******************************************************************************/
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#include "stdafx.h"
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#include "winadmin.h"
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#include "admindoc.h"
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#include "basetree.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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// MESSAGE MAP: CBaseTreeView
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//
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IMPLEMENT_DYNCREATE(CBaseTreeView, CTreeView)
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BEGIN_MESSAGE_MAP(CBaseTreeView, CTreeView)
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//{{AFX_MSG_MAP(CBaseTreeView)
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ON_MESSAGE(WM_ADMIN_EXPANDALL, OnExpandAll)
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ON_MESSAGE(WM_ADMIN_COLLAPSEALL, OnCollapseAll)
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ON_MESSAGE(WM_ADMIN_COLLAPSETOSERVERS, OnCollapseToThirdLevel)
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ON_MESSAGE(WM_ADMIN_COLLAPSETODOMAINS, OnCollapseToRootChildren)
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ON_NOTIFY_REFLECT(TVN_SELCHANGED, OnSelChange)
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ON_WM_DESTROY()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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//////////////////////////
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// F'N: CBaseTreeView ctor
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//
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CBaseTreeView::CBaseTreeView()
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{
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m_bInitialExpand = FALSE;
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} // end CBaseTreeView ctor
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//////////////////////////
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// F'N: CBaseTreeView dtor
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//
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CBaseTreeView::~CBaseTreeView()
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{
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} // end CBaseTreeView dtor
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/////////////////////////////
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// F'N: CBaseTreeView::OnDraw
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//
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void CBaseTreeView::OnDraw(CDC* pDC)
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{
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CWinAdminDoc* pDoc = (CWinAdminDoc*)GetDocument();
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ASSERT(pDoc != NULL);
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ASSERT_VALID(pDoc);
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} // end CBaseTreeView::OnDraw
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#ifdef _DEBUG
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//////////////////////////////////
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// F'N: CBaseTreeView::AssertValid
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//
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void CBaseTreeView::AssertValid() const
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{
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CTreeView::AssertValid();
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} // end CBaseTreeView::AssertValid
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///////////////////////////
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// F'N: CBaseTreeView::Dump
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//
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void CBaseTreeView::Dump(CDumpContext& dc) const
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{
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CTreeView::Dump(dc);
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} // end CBaseTreeView::Dump
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#endif
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//////////////////////////////////////
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// F'N: CBaseTreeView::PreCreateWindow
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//
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BOOL CBaseTreeView::PreCreateWindow(CREATESTRUCT& cs)
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{
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// Set the style bits for the CTreeCtrl
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cs.style |= TVS_HASBUTTONS | TVS_HASLINES | TVS_LINESATROOT | TVS_DISABLEDRAGDROP
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| TVS_SHOWSELALWAYS;
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return CTreeView::PreCreateWindow(cs);
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} // end CBaseTreeView::PreCreateWindow
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/////////////////////////////////////
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// F'N: CBaseTreeView::BuildImageList
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//
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void CBaseTreeView::BuildImageList()
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{
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// do nothing
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} // end CBaseTreeView::BuildImageList
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//////////////////////////////////////
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// F'N: CBaseTreeView::OnInitialUpdate
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//
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// - constructs the image list for the tree, saving indices to each icon
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// in member variables (m_idxCitrix, m_idxServer, etc.)
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//
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void CBaseTreeView::OnInitialUpdate()
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{
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CTreeView::OnInitialUpdate();
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// build the image list for the tree control
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BuildImageList();
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} // end CBaseTreeView::OnInitialUpdate
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/////////////////////////////////////////
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// F'N: CBaseTreeView::AddIconToImageList
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//
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// - loads the appropriate icon, adds it to m_ImageList, and returns
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// the newly-added icon's index in the image list
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//
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int CBaseTreeView::AddIconToImageList(int iconID)
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{
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HICON hIcon = ::LoadIcon(AfxGetResourceHandle(), MAKEINTRESOURCE(iconID));
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return m_ImageList.Add(hIcon);
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} // end CBaseTreeView::AddIconToImageList
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////////////////////////////////////
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// F'N: CBaseTreeView::AddItemToTree
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//
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// Adds an item with the given attributes to the CTreeCtrl
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//
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HTREEITEM CBaseTreeView::AddItemToTree(HTREEITEM hParent, CString szText, HTREEITEM hInsAfter, int iImage, LPARAM lParam)
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{
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HTREEITEM hItem;
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TV_ITEM tvItem = {0};
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TV_INSERTSTRUCT tvInsert;
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ASSERT(lParam);
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tvItem.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM;
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TCHAR temp[255];
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lstrcpyn(temp, szText, sizeof(temp) / sizeof(TCHAR));
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tvItem.pszText = temp;
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tvItem.cchTextMax = lstrlen(szText);
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tvItem.iImage = iImage;
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tvItem.iSelectedImage = iImage;
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tvItem.lParam = lParam;
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tvInsert.item = tvItem;
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tvInsert.hInsertAfter = hInsAfter;
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tvInsert.hParent = hParent;
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hItem = GetTreeCtrl().InsertItem(&tvInsert);
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if(!m_bInitialExpand && hItem) {
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m_bInitialExpand = GetTreeCtrl().Expand(GetTreeCtrl().GetRootItem(), TVE_EXPAND);
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}
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return hItem;
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} // end CBaseTreeView::AddItemToTree
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///////////////////////////////////
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// F'N: CBaseTreeView::GetCurrentNode
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//
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DWORD_PTR CBaseTreeView::GetCurrentNode()
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{
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LockTreeControl();
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HTREEITEM hCurr = GetTreeCtrl().GetSelectedItem();
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DWORD_PTR node = GetTreeCtrl().GetItemData(hCurr);
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UnlockTreeControl();
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return node;
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} // end CBaseTreeView::GetCurrentNode
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///////////////////////////////////
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// F'N: CBaseTreeView::OnSelChange
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//
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// - this f'n posts a WM_ADMIN_CHANGEVIEW message to the mainframe, passing along
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// a pointer to the newly selected tree item's info structure in lParam so
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// that the mainframe can make an intelligent decision as far as how to
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// interpret the message
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//
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// Passes TRUE as wParam for WM_ADMIN_CHANGEVIEW message to signify
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// that the message was caused by a user mouse click
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//
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void CBaseTreeView::OnSelChange(NMHDR* pNMHDR, LRESULT* pResult)
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{
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LockTreeControl();
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HTREEITEM hCurr = GetTreeCtrl().GetSelectedItem();
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DWORD_PTR value = GetTreeCtrl().GetItemData(hCurr);
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UnlockTreeControl();
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// Tell the document that the current item in the tree has changed
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CTreeNode *pNode = (CTreeNode*)value;
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if( pNode != NULL )
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{
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((CWinAdminDoc*)GetDocument())->SetCurrentView(VIEW_CHANGING);
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((CWinAdminDoc*)GetDocument())->SetTreeCurrent( pNode->GetTreeObject(), pNode->GetNodeType());
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// send a "change view" msg to the mainframe with the info structure ptr as a parm
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CFrameWnd* pMainWnd = (CFrameWnd*)AfxGetMainWnd();
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pMainWnd->SendMessage(WM_ADMIN_CHANGEVIEW, *pResult == 0xc0 ? TRUE : FALSE , (LPARAM)pNode);
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}
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*pResult = 0;
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} // end CBaseTreeView::OnSelChange
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///////////////////////////////////
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// F'N: CBaseTreeView::ForceSelChange
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//
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// Called by treeview when the state of an item in the tree has changed
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// which is likely to cause the current view in the right pane to change.
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//
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// This f'n posts a WM_ADMIN_CHANGEVIEW message to the mainframe, passing along
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// a pointer to the newly selected tree item's info structure in lParam so
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// that the mainframe can make an intelligent decision as far as how to
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// interpret the message
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//
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// Puts a FALSE in wParam of the WM_ADMIN_CHANGEVIEW message which
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// tells the right pane that this was not caused by a user clicking
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// on the item in the tree
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//
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void CBaseTreeView::ForceSelChange()
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{
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LockTreeControl();
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HTREEITEM hCurr = GetTreeCtrl().GetSelectedItem();
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DWORD_PTR value = GetTreeCtrl().GetItemData(hCurr);
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UnlockTreeControl();
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// Tell the document that the current item in the tree has changed
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((CWinAdminDoc*)GetDocument())->SetCurrentView(VIEW_CHANGING);
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((CWinAdminDoc*)GetDocument())->SetTreeCurrent(((CTreeNode*)value)->GetTreeObject(), ((CTreeNode*)value)->GetNodeType());
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// send a "change view" msg to the mainframe with the info structure ptr as a parm
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CFrameWnd* pMainWnd = (CFrameWnd*)AfxGetMainWnd();
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pMainWnd->PostMessage(WM_ADMIN_CHANGEVIEW, FALSE, (LPARAM)value); // SendMessage causes blank pages
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} // end CBaseTreeView::ForceSelChange
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////////////////////////////////
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// F'N: CBaseTreeView::OnExpandAll
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//
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// Expands all levels of the tree, starting at the root
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//
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LRESULT CBaseTreeView::OnExpandAll(WPARAM wParam, LPARAM lParam)
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{
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LockTreeControl();
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// get a count of the items in the tree
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UINT itemCount = GetTreeCtrl().GetCount();
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// get the handle of the root item and Expand it
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HTREEITEM hTreeItem = GetTreeCtrl().GetRootItem();
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for(UINT i = 0; i < itemCount; i++) {
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GetTreeCtrl().Expand(hTreeItem, TVE_EXPAND);
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hTreeItem = GetTreeCtrl().GetNextItem(hTreeItem, TVGN_NEXTVISIBLE);
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}
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UnlockTreeControl();
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return 0;
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} // end CBaseTreeView::OnExpandAll
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////////////////////////////////
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// F'N: CBaseTreeView::Collapse
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//
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// Helper function to collapse a tree item
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// NOTE: This function calls itself recursively
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//
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void CBaseTreeView::Collapse(HTREEITEM hItem)
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{
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LockTreeControl();
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CTreeCtrl &tree = GetTreeCtrl();
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// Get his first child and collapse him
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HTREEITEM hChild = tree.GetNextItem(hItem, TVGN_CHILD);
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if(hChild) Collapse(hChild);
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// Collapse him
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tree.Expand(hItem, TVE_COLLAPSE);
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// Get his first sibling and collapse him
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HTREEITEM hSibling = tree.GetNextItem(hItem, TVGN_NEXT);
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if(hSibling) Collapse(hSibling);
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UnlockTreeControl();
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} // end CBaseTreeView::Collapse
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////////////////////////////////
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// F'N: CBaseTreeView::OnCollapseAll
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//
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// Collapses all levels of the tree, starting at the root
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//
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LRESULT CBaseTreeView::OnCollapseAll(WPARAM wParam, LPARAM lParam)
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{
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// Call the recursive function to do all
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// the collapsing
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Collapse(GetTreeCtrl().GetRootItem());
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return 0;
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} // end CBaseTreeView::OnCollapseAll
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////////////////////////////////
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// F'N: CBaseTreeView::OnCollapseToThirdLevel
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//
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// Collapses tree down to show just root children and their children
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//
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LRESULT CBaseTreeView::OnCollapseToThirdLevel(WPARAM wParam, LPARAM lParam)
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{
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UINT i = 0;
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LockTreeControl();
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// Get the root item
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HTREEITEM hTreeItem = GetTreeCtrl().GetRootItem();
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// Collapse to Root Child for First two nodes. They are This Computer and Favorite Servers
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while (hTreeItem && i < 2) {
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i++;
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// Get the first node
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HTREEITEM hNode = GetTreeCtrl().GetNextItem(hTreeItem, TVGN_CHILD);
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while(hNode) {
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Collapse(hNode);
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// go to the next node
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hNode = GetTreeCtrl().GetNextItem(hNode, TVGN_NEXT);
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}
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hTreeItem = GetTreeCtrl().GetNextSiblingItem(hTreeItem);
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}
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if (hTreeItem) {
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// Get the first node
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HTREEITEM hRootChild = GetTreeCtrl().GetNextItem(hTreeItem, TVGN_CHILD);
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while(hRootChild) {
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HTREEITEM hThirdLevel = GetTreeCtrl().GetNextItem(hRootChild, TVGN_CHILD);
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while(hThirdLevel) {
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// collapse him
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GetTreeCtrl().Expand(hThirdLevel, TVE_COLLAPSE);
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// go to the next one
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hThirdLevel = GetTreeCtrl().GetNextItem(hThirdLevel, TVGN_NEXT);
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}
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hRootChild = GetTreeCtrl().GetNextItem(hRootChild, TVGN_NEXT);
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}
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}
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UnlockTreeControl();
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return 0;
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} // end CBaseTreeView::OnCollapseToThirdLevel
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////////////////////////////////
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// F'N: CBaseTreeView::OnCollapseToRootChildren
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//
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// Collapses tree down to show just root and it's immediate children
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//
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LRESULT CBaseTreeView::OnCollapseToRootChildren(WPARAM wParam, LPARAM lParam)
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{
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LockTreeControl();
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// Get the root item
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HTREEITEM hTreeItem = GetTreeCtrl().GetRootItem();
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// Skip This Computer and Favorite Servers
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if (hTreeItem) {
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hTreeItem = GetTreeCtrl().GetNextSiblingItem(hTreeItem);
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if (hTreeItem) {
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hTreeItem = GetTreeCtrl().GetNextSiblingItem(hTreeItem);
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}
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}
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if(hTreeItem) {
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// Get the first node
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HTREEITEM hNode = GetTreeCtrl().GetNextItem(hTreeItem, TVGN_CHILD);
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while(hNode) {
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Collapse(hNode);
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// go to the next node
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hNode = GetTreeCtrl().GetNextItem(hNode, TVGN_NEXT);
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}
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}
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UnlockTreeControl();
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return 0;
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} // end CBaseTreeView::OnCollapseToRootChildren
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////////////////////////////////
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// F'N: CBaseTreeView::OnDestroy
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//
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void CBaseTreeView::OnDestroy()
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{
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LockTreeControl();
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UINT itemCount = GetTreeCtrl().GetCount();
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HTREEITEM hTreeItem = GetTreeCtrl().GetRootItem();
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for(UINT i = 0; i < itemCount; i++) {
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CTreeNode *node = ((CTreeNode*)GetTreeCtrl().GetItemData(hTreeItem));
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delete (CTreeNode*)(GetTreeCtrl().GetItemData(hTreeItem));
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hTreeItem = GetNextItem(hTreeItem);
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}
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UnlockTreeControl();
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} // end CBaseTreeView::OnDestroy
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////////////////////////////////
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// F'N: CBaseTreeView::GetNextItem
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//
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// GetNextItem - Get next item as if outline was completely expanded
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// Returns - The item immediately below the reference item
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// hItem - The reference item
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//
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HTREEITEM CBaseTreeView::GetNextItem( HTREEITEM hItem )
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{
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HTREEITEM hti;
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CTreeCtrl &tree = GetTreeCtrl();
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if(tree.ItemHasChildren( hItem ) )
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return tree.GetChildItem( hItem ); // return first child
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else { // return next sibling item
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// Go up the tree to find a parent's sibling if needed.
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while( (hti = tree.GetNextSiblingItem( hItem )) == NULL ) {
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if( (hItem = tree.GetParentItem( hItem ) ) == NULL )
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return NULL;
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}
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}
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return hti;
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} // end CBaseTreeView::GetNextItem
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