自学教程：C++ CreateChildren函数代码示例

ChartTrellisNode::ChartTrellisNode(const ChartTrellisNode &root,                                   const ChartTrellisNode &substitutedNode,                                   const ChartHypothesis &replacementHypo,                                   ChartTrellisNode *&deviationPoint)    : m_hypo((&root == &substitutedNode)             ? replacementHypo             : root.GetHypothesis()){  if (&root == &substitutedNode) {    deviationPoint = this;    CreateChildren();  } else {    CreateChildren(root, substitutedNode, replacementHypo, deviationPoint);  }}

BOOL COXNetBrowseTree::ExpandNode(HTREEITEM hTreeItem) // --- In  : hTreeItem : Node to expand (NULL is top level)// --- Out : // --- Returns :// --- Effect : Expands the specified node{	// If hTreeItem == NULL we have to have an empty tree	ASSERT((hTreeItem != NULL) || (GetRootItem() == NULL));	// Get the net resource of the parent item	NETRESOURCE* pNetResources = NULL;	if (hTreeItem != NULL)	{		pNetResources = GetAssocNetResourceEx(hTreeItem);		ASSERT(pNetResources != NULL);	}	else		pNetResources = NULL;	if ((pNetResources != NULL) && ((pNetResources->dwUsage & RESOURCEUSAGE_CONTAINER) != RESOURCEUSAGE_CONTAINER))		// Net resource exists, but is not a container and thus cannot be enumerated		return FALSE;	// Expand the node (may take a while)	CWaitCursor wc;	return CreateChildren(hTreeItem, pNetResources);}

wxObject* wxRibbonXmlHandler::Handle_bar(){    XRC_MAKE_INSTANCE (ribbonBar, wxRibbonBar);    Handle_RibbonArtProvider (ribbonBar);    if ( !ribbonBar->Create(wxDynamicCast(m_parent, wxWindow),                            GetID(),                            GetPosition(),                            GetSize(),                            GetStyle("style", wxRIBBON_BAR_DEFAULT_STYLE)) )    {        ReportError ("could not create ribbonbar");    }    else    {        // Currently the art provider style must be explicitly set to the        // ribbon style too.        ribbonBar->GetArtProvider()            ->SetFlags(GetStyle("style", wxRIBBON_BAR_DEFAULT_STYLE));        const wxClassInfo* const wasInside = m_isInside;        wxON_BLOCK_EXIT_SET(m_isInside, wasInside);        m_isInside = &wxRibbonBar::ms_classInfo;        CreateChildren (ribbonBar, true);        ribbonBar->Realize();    }    return ribbonBar;}

wxObject * MaxMdiXmlHandler::DoCreateResource(){    wxWindow *frame = CreateFrame();    if (HasParam(wxT("size")))        frame->SetClientSize(GetSize());    if (HasParam(wxT("pos")))        frame->Move(GetPosition());    if (HasParam(wxT("icon")))    {        wxFrame* f = wxDynamicCast(frame, wxFrame);        if (f)            f->SetIcon(GetIcon(wxT("icon"), wxART_FRAME_ICON));    }    SetupWindow(frame);    CreateChildren(frame);    if (GetBool(wxT("centered"), false))        frame->Centre();    return frame;}

wxObject *wxMDIParentFrameXmlHandler::DoCreateResource(){    XRC_MAKE_INSTANCE(frame, wxMDIParentFrame);    frame->Create(m_parentAsWindow,                  GetID(),                  GetText(wxT("title")),                  wxDefaultPosition, wxDefaultSize,                  GetStyle(wxT("style"), wxDEFAULT_FRAME_STYLE),                  GetName());    if (HasParam(wxT("size")))        frame->SetClientSize(GetSize());    if (HasParam(wxT("pos")))        frame->Move(GetPosition());    SetupWindow(frame);    CreateChildren(frame);    if (GetBool(wxT("centered"), FALSE))        frame->Centre();    return frame;}

wxObject * MaxDialogXmlHandler::DoCreateResource(){    XRC_MAKE_INSTANCE(dlg, MaxDialog);    dlg->Create(m_parentAsWindow,                GetID(),                GetText(wxT("title")),                wxDefaultPosition, wxDefaultSize,                GetStyle(wxT("style"), wxDEFAULT_DIALOG_STYLE),                GetName());	dlg->MaxBind(_wx_wxdialog_wxDialog__xrcNew(dlg));    if (HasParam(wxT("size")))        dlg->SetClientSize(GetSize(wxT("size"), dlg));    if (HasParam(wxT("pos")))        dlg->Move(GetPosition());    if (HasParam(wxT("icon")))        dlg->SetIcon(GetIcon(wxT("icon"), wxART_FRAME_ICON));    SetupWindow(dlg);    CreateChildren(dlg);    if (GetBool(wxT("centered"), false))        dlg->Centre();    return dlg;}

wxObject *wxSimplebookXmlHandler::DoCreateResource(){    if (m_class == wxS("simplebookpage"))    {        wxXmlNode *n = GetParamNode(wxS("object"));        if ( !n )            n = GetParamNode(wxS("object_ref"));        if (n)        {            bool old_ins = m_isInside;            m_isInside = false;            wxObject *item = CreateResFromNode(n, m_simplebook, NULL);            m_isInside = old_ins;            wxWindow *wnd = wxDynamicCast(item, wxWindow);            if (wnd)            {                m_simplebook->AddPage(wnd, GetText(wxS("label")),                                      GetBool(wxS("selected")));            }            else            {                ReportError(n, "simplebookpage child must be a window");            }            return wnd;        }        else        {            ReportError("simplebookpage must have a window child");            return NULL;        }    }    else    {        XRC_MAKE_INSTANCE(sb, wxSimplebook)        sb->Create(m_parentAsWindow,                   GetID(),                   GetPosition(), GetSize(),                   GetStyle(wxS("style")),                   GetName());        SetupWindow(sb);        wxSimplebook *old_par = m_simplebook;        m_simplebook = sb;        bool old_ins = m_isInside;        m_isInside = true;        CreateChildren(m_simplebook, true/*only this handler*/);        m_isInside = old_ins;        m_simplebook = old_par;        return sb;    }}

wxObject *wxCollapsiblePaneXmlHandler::DoCreateResource(){    if (m_class == wxT("panewindow"))   // read the XRC for the pane window    {        wxXmlNode *n = GetParamNode(wxT("object"));        if ( !n )            n = GetParamNode(wxT("object_ref"));        if (n)        {            bool old_ins = m_isInside;            m_isInside = false;            wxObject *item = CreateResFromNode(n, m_collpane->GetPane(), NULL);            m_isInside = old_ins;            return item;        }        else        {            ReportError("no control within panewindow");            return NULL;        }    }    else    {        XRC_MAKE_INSTANCE(ctrl, wxCollapsiblePane)        wxString label = GetText(wxT("label"));        if (label.empty())        {            ReportParamError("label", "label cannot be empty");            return NULL;        }        ctrl->Create(m_parentAsWindow,                    GetID(),                    label,                    GetPosition(), GetSize(),                    GetStyle(wxT("style"), wxCP_DEFAULT_STYLE),                    wxDefaultValidator,                    GetName());        ctrl->Collapse(GetBool(wxT("collapsed")));        SetupWindow(ctrl);        wxCollapsiblePane *old_par = m_collpane;        m_collpane = ctrl;        bool old_ins = m_isInside;        m_isInside = true;        CreateChildren(m_collpane, true/*only this handler*/);        m_isInside = old_ins;        m_collpane = old_par;        return ctrl;    }}

void CDialog::InitChildren(){	if (!m_bChildrenInited)	{		m_bChildrenInited = true;		CreateChildren();	}}

BOOL RichEditObj::InitFromXml(pugi::xml_node xmlNode){    if (xmlNode)    {        SObject::InitFromXml(xmlNode);        CreateChildren(xmlNode);    }    return TRUE;}

HWND CStatusControl::Create(HWND hParent) {  CWindowImpl<CStatusControl>::Create(hParent, 0, 0, WS_VISIBLE | WS_CHILD );  CreateChildren();  PopulateCombo();  PopulateSpeed();  LayoutChildrenInitial();  return m_hWnd;}

wxObject *wxMenuBarXmlHandler::DoCreateResource(){    wxMenuBar *menubar = new wxMenuBar(GetStyle());    CreateChildren(menubar);    if (m_parentAsWindow)    {        wxFrame *parentFrame = wxDynamicCast(m_parent, wxFrame);        if (parentFrame)            parentFrame->SetMenuBar(menubar);    }    return menubar;}

wxObject *wxPanelXmlHandler::DoCreateResource(){    XRC_MAKE_INSTANCE(panel, wxPanel)    panel->Create(m_parentAsWindow,                  GetID(),                  GetPosition(), GetSize(),                  GetStyle(wxT("style"), wxTAB_TRAVERSAL),                  GetName());    SetupWindow(panel);    CreateChildren(panel);    return panel;}

wxObject *wxScrolledWindowXmlHandler::DoCreateResource(){    XRC_MAKE_INSTANCE(control, wxScrolledWindow)    control->Create(m_parentAsWindow,                    GetID(),                    GetPosition(), GetSize(),                    GetStyle(wxT("style"), wxHSCROLL | wxVSCROLL),                    GetName());    SetupWindow(control);    CreateChildren(control);    return control;}

wxObject *wxStdDialogButtonSizerXmlHandler::DoCreateResource(){    if (m_class == wxT("wxStdDialogButtonSizer"))    {        wxASSERT( !m_parentSizer );        wxSizer *s = m_parentSizer = new wxStdDialogButtonSizer;        m_isInside = true;        CreateChildren(m_parent, true/*only this handler*/);        m_parentSizer->Realize();        m_isInside = false;        m_parentSizer = NULL;        return s;    }    else // m_class == "button"    {        wxASSERT( m_parentSizer );        // find the item to be managed by this sizeritem        wxXmlNode *n = GetParamNode(wxT("object"));        if ( !n )            n = GetParamNode(wxT("object_ref"));        // did we find one?        if (n)        {            wxObject *item = CreateResFromNode(n, m_parent, NULL);            wxButton *button = wxDynamicCast(item, wxButton);            if (button)                m_parentSizer->AddButton(button);            else                ReportError(n, "expected wxButton");            return item;        }        else /*n == NULL*/        {            ReportError("no button within wxStdDialogButtonSizer");            return NULL;        }    }}

wxObject* MyWxSimplebookXmlHandler::DoCreateResource(){    if(m_class == wxT("simplebookpage")) {        wxXmlNode* n = GetParamNode(wxT("object"));        if(!n) n = GetParamNode(wxT("object_ref"));        if(n) {            bool old_ins = m_isInside;            m_isInside = false;            wxObject* item = CreateResFromNode(n, m_notebook, NULL);            m_isInside = old_ins;            wxWindow* wnd = wxDynamicCast(item, wxWindow);            if(wnd) {                m_notebook->AddPage(wnd, GetText(wxT("label")), GetBool(wxT("selected")), wxNOT_FOUND);            } else                wxLogError(wxT("Error in resource."));            return wnd;        } else {            wxLogError(wxT("Error in resource: no control within notebook's <page> tag."));            return NULL;        }    }    else {        wxSimplebook* nb =            new wxSimplebook(m_parentAsWindow, GetID(), GetPosition(), GetSize(), GetStyle(wxT("style")));        wxString showEffect = GetText("effect", false);        nb->SetEffect(wxCrafter::ShowEffectFromString(showEffect));        nb->SetName(GetName());        SetupWindow(nb);        wxSimplebook* old_par = m_notebook;        m_notebook = nb;        bool old_ins = m_isInside;        m_isInside = true;        CreateChildren(m_notebook, true /*only this handler*/);        m_isInside = old_ins;        m_notebook = old_par;        return nb;    }}

wxObject * MaxMenuBarXmlHandler::DoCreateResource(){    MaxMenuBar *menubar = new MaxMenuBar(GetStyle());	menubar->MaxBind(CB_PREF(wx_wxmenubar_wxMenuBar__xrcNew)(menubar));    CreateChildren(menubar);    if (m_parentAsWindow)    {        wxFrame *parentFrame = wxDynamicCast(m_parent, wxFrame);        if (parentFrame)            parentFrame->SetMenuBar(menubar);    }    return menubar;}

CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::CoverTree(    const MatType& dataset,    const ElemType base,    const size_t pointIndex,    const int scale,    CoverTree* parent,    const ElemType parentDistance,    arma::Col<size_t>& indices,    arma::vec& distances,    size_t nearSetSize,    size_t& farSetSize,    size_t& usedSetSize,    MetricType& metric) :    dataset(&dataset),    point(pointIndex),    scale(scale),    base(base),    numDescendants(0),    parent(parent),    parentDistance(parentDistance),    furthestDescendantDistance(0),    localMetric(false),    localDataset(false),    metric(&metric),    distanceComps(0){  // If the size of the near set is 0, this is a leaf.  if (nearSetSize == 0)  {    this->scale = INT_MIN;    numDescendants = 1;    stat = StatisticType(*this);    return;  }  // Otherwise, create the children.  CreateChildren(indices, distances, nearSetSize, farSetSize, usedSetSize);  // Initialize statistic.  stat = StatisticType(*this);}

wxObject *wxScrollBarXmlHandler::DoCreateResource(){    XRC_MAKE_INSTANCE(control, wxScrollBar)    control->Create(m_parentAsWindow,                    GetID(),                    GetPosition(), GetSize(),                    GetStyle(),                    wxDefaultValidator,                    GetName());    control->SetScrollbar(GetLong( wxT("value"), 0),                          GetLong( wxT("thumbsize"),1),                          GetLong( wxT("range"), 10),                          GetLong( wxT("pagesize"),1));    SetupWindow(control);    CreateChildren(control);    return control;}

wxObject *wxScrolledWindowXmlHandler::DoCreateResource(){    XRC_MAKE_INSTANCE(control, wxScrolledWindow)    control->Create(m_parentAsWindow,                    GetID(),                    GetPosition(), GetSize(),                    GetStyle(wxT("style"), wxHSCROLL | wxVSCROLL),                    GetName());    SetupWindow(control);    CreateChildren(control);    if ( HasParam(wxT("scrollrate")) )    {        wxSize rate = GetSize(wxT("scrollrate"));        control->SetScrollRate(rate.x, rate.y);    }    return control;}

wxObject *wxWizardXmlHandler::DoCreateResource(){    if (m_class == wxT("wxWizard"))    {        XRC_MAKE_INSTANCE(wiz, wxWizard)        long style = GetStyle(wxT("exstyle"), 0);        if (style != 0)            wiz->SetExtraStyle(style);        wiz->Create(m_parentAsWindow,                    GetID(),                    GetText(wxT("title")),                    GetBitmap(),                    GetPosition());        wxWizard *old = m_wizard;        m_wizard = wiz;        m_lastSimplePage = NULL;        CreateChildren(wiz, true /*this handler only*/);        m_wizard = old;        return wiz;    }

wxObject* MYwxTreebookXmlHandler::DoCreateResource(){    if(m_class == wxT("wxTreebook")) {        XRC_MAKE_INSTANCE(tbk, wxTreebook)        tbk->Create(m_parentAsWindow, GetID(), GetPosition(), GetSize(), GetStyle(wxT("style")), GetName());        wxTreebook* old_par = m_tbk;        m_tbk = tbk;        bool old_ins = m_isInside;        m_isInside = true;        wxArrayTbkPageIndexes old_treeContext = m_treeContext;        m_treeContext.Clear();        CreateChildren(m_tbk, true /*only this handler*/);        wxXmlNode* node = GetParamNode(wxT("object"));        int pageIndex = 0;        for(unsigned int i = 0; i < m_tbk->GetPageCount(); i++) {            if(m_tbk->GetPage(i)) {                wxXmlNode* child = node->GetChildren();                while(child) {                    if(child->GetName() == wxT("expanded") && child->GetNodeContent() == wxT("1"))                        m_tbk->ExpandNode(pageIndex, true);                    child = child->GetNext();                }                pageIndex++;            }        }        m_treeContext = old_treeContext;        m_isInside = old_ins;        m_tbk = old_par;        return tbk;    }    //    else ( m_class == wxT("treebookpage") )    wxXmlNode* n = GetParamNode(wxT("object"));    wxWindow* wnd = NULL;    if(!n) n = GetParamNode(wxT("object_ref"));    if(n) {        bool old_ins = m_isInside;        m_isInside = false;        wxObject* item = CreateResFromNode(n, m_tbk, NULL);        m_isInside = old_ins;        wnd = wxDynamicCast(item, wxWindow);    }    size_t depth = GetLong(wxT("depth"));    if(depth <= m_treeContext.GetCount()) {        // first prepare the icon        int imgIndex = wxNOT_FOUND;        if(HasParam(wxT("bitmap"))) {            wxBitmap bmp = GetBitmap(wxT("bitmap"), wxART_OTHER);            wxImageList* imgList = m_tbk->GetImageList();            if(imgList == NULL) {                imgList = new wxImageList(bmp.GetWidth(), bmp.GetHeight());                m_tbk->AssignImageList(imgList);            }            imgIndex = imgList->Add(bmp);        } else if(HasParam(wxT("image"))) {            if(m_tbk->GetImageList()) {                imgIndex = GetLong(wxT("image"));            } else // image without image list?            {            }        }        // then add the page to the corresponding parent        if(depth < m_treeContext.GetCount()) m_treeContext.RemoveAt(depth, m_treeContext.GetCount() - depth);        if(depth == 0) {            m_tbk->AddPage(wnd, GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);        } else {            m_tbk->InsertSubPage(m_treeContext.Item(depth - 1), wnd, GetText(wxT("label")), GetBool(wxT("selected")),                                 imgIndex);        }        m_treeContext.Add(m_tbk->GetPageCount() - 1);    } else {        // ReportParamError("depth", "invalid depth");    }    return wnd;}