自学教程：C++ GetActiveView函数代码示例

/*** 响应上工具条按钮；选择检波器Nb* @param void* @return void*/void CSensorGraphChildFrame::OnShowSensorNb(UINT nID) {	CSensorGraphView* pView = (CSensorGraphView*)GetActiveView();	unsigned int uiIndex = 0;	uiIndex = nID - ID_BUTTON_MATRIX_SENSOR_GRAPH_NBSTART;	CToolbarGraphButton* pBNSensorNb = NULL;	pBNSensorNb = (CToolbarGraphButton*)m_oGraphViewTopToolBar.GetButton(uiIndex);	POSITION pos;	CSensorData oSensorData;	pos = m_pSiteData->m_oSensorList.m_olsSensor.FindIndex(uiIndex);	oSensorData = m_pSiteData->m_oSensorList.m_olsSensor.GetAt(pos);	if(1 == pBNSensorNb->m_iMode)	{		pBNSensorNb->m_iMode = 0;		m_oSensorNbMap.RemoveKey(oSensorData.m_uiNb);	}	else	{		m_oSensorNbMap.SetAt(oSensorData.m_uiNb, oSensorData.m_uiNb);		pBNSensorNb->m_iMode = 1;	}	m_oGraphViewTopToolBar.InvalidateButton(uiIndex);	pView->RedrawWindow();}

/*** 响应上工具条按钮；选择测试类型* @param void* @return void*/void CSensorGraphChildFrame::OnSelectTestType() {	CSensorGraphView* pView = (CSensorGraphView*)GetActiveView();	CBCGPToolbarComboBoxButton* pComboButton = NULL;	pComboButton = (CBCGPToolbarComboBoxButton*)m_oGraphViewTopToolBar.GetButton(9 + m_uiSensorNbCount);	m_strTestType = pComboButton->GetText();	m_uiTestType = m_pSiteData->GetTestTypeIDByString(m_strTestType);	if(40 != m_uiTestType)	{		// 得到检波器TestType判据字符串		m_strTestType = m_pSiteData->GetSensorTestTypeLimitStringByID(m_uiTestType);	}	CToolbarGraph* pBNGraph = NULL;	pBNGraph = (CToolbarGraph*)m_oGraphViewTopToolBar.GetButton(2 + m_uiSensorNbCount);	pBNGraph->m_iMode = 1;	if(15 == m_uiTestType)	// 检波器电阻	{		pBNGraph->m_iMode = 2;	}	pBNGraph->m_strLabel = m_strTestType;	m_oGraphViewTopToolBar.InvalidateButton(2 + m_uiSensorNbCount);	pView->RedrawWindow();}

BOOL CMainFrame::OnQueryNewPalette(){	CView* pView = GetActiveView();	if (pView != NULL)		return (BOOL) pView->SendMessage(WM_QUERYNEWPALETTE);	return FALSE;}

BOOL CMainFrame::OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo) {   BOOL tHandled;   CWnd* pView;   // First, try the default routing scheme.   tHandled = CFrameWnd::OnCmdMsg( nID, nCode, pExtra, pHandlerInfo );   if( tHandled )   {	  return( TRUE );   }   // If nobody handled it, and the main view isn't active, try the main view.   pView = m_wndSplitter.GetPane( 0, 1 );   if( pView != GetActiveView() )   {	  tHandled = pView->OnCmdMsg( nID, nCode, pExtra, pHandlerInfo );	  if( tHandled )	  {		 return( TRUE );	  }   }   return( FALSE );}

// All child frame's will have exactly one CHexEditView (unless in print preview?).  This returns it.CHexEditView *CChildFrame::GetHexEditView() const{	CView *pv = GetActiveView();	if (pv != NULL)                         // May be NULL if print preview	{		if (pv->IsKindOf(RUNTIME_CLASS(CHexEditView)))			return (CHexEditView *)pv;		else if (pv->IsKindOf(RUNTIME_CLASS(CDataFormatView)))			return ((CDataFormatView *)pv)->phev_;		else if (pv->IsKindOf(RUNTIME_CLASS(CAerialView)))			return ((CAerialView *)pv)->phev_;		else if (pv->IsKindOf(RUNTIME_CLASS(CCompareView)))			return ((CCompareView *)pv)->phev_;		else if (pv->IsKindOf(RUNTIME_CLASS(CPrevwView)))			return ((CPrevwView *)pv)->phev_;		else if (pv->IsKindOf(RUNTIME_CLASS(CHexTabView)))		{			// Find the hex view (left-most tab)			CHexTabView *ptv = (CHexTabView *)pv;			ptv->SetActiveView(0);  // hex view is always left-most (index 0)			ASSERT_KINDOF(CHexEditView, ptv->GetActiveView());			return (CHexEditView *)ptv->GetActiveView();		}	}	return NULL;}

CXTPDockingPane* CMainFrame::CreatePane(int x, int y, CRuntimeClass* pNewViewClass, CString strFormat, XTPDockingPaneDirection direction, CXTPDockingPane* pNeighbour){	//做个标记	int nID = ++m_nCount;		CXTPDockingPane* pwndPane = m_paneManager.CreatePane(nID, CRect(0, 0,x, y), direction, pNeighbour);		CString strTitle;	strTitle.Format(strFormat, nID);	pwndPane->SetTitle(strTitle);	pwndPane->SetIconID(nID % 6 + 1);		CFrameWnd* pFrame = new CFrameWnd;		CCreateContext context;	context.m_pNewViewClass = pNewViewClass;	context.m_pCurrentDoc = GetActiveView()->GetDocument();		pFrame->Create(NULL, NULL, WS_CHILD|WS_VISIBLE|WS_CLIPCHILDREN|WS_CLIPSIBLINGS, CRect(0, 0, 0, 0), this, NULL, 0, &context);	pFrame->ModifyStyleEx(WS_EX_CLIENTEDGE, 0);		m_mapPanes.SetAt(nID, pFrame);		return pwndPane;}

void CMainFrame::OnActivate(UINT nState, CWnd* pWndOther, BOOL bMinimized) {//DeadCode DAW 22Jun99 		TRACE2("Activate %i ==> %08x/n",nState,::GetWindowThreadProcessId(pWndOther->m_hWnd, NULL) );//DeadCode DAW 22Jun99 	else//DeadCode DAW 22Jun99 	{//DeadCode DAW 22Jun99 		TRACE1("Activate %i xxx/n",nState);		//If in the 3D && state==0 then discard DD here#ifdef NDEBUG 	if (!pWndOther)		if (Inst3d::InThe3D())		{			if (!nState)	Inst3d::ReleaseDirectX();			else			{				Inst3d::RestoreDirectX();				CMIGView* view=(CMIGView*)GetActiveView();				RFullPanelDial*	dial=GetFullPanel(view);				dial->LaunchScreen(&RFullPanelDial::quickmissionflight);			}		}#endif//DeadCode DAW 22Jun99 	}	CFrameWnd::OnActivate(nState, pWndOther, bMinimized);		// TODO: Add your message handler code here	}

void CInPlaceFrame::RecalcLayout(BOOL bNotify){	if (m_wndResizeBar.m_hWnd != NULL)		m_wndResizeBar.BringWindowToTop();	COleIPFrameWndEx::RecalcLayout(bNotify);	CWnd* pWnd = GetActiveView();	if (pWnd != NULL)		pWnd->BringWindowToTop();	if (m_wndRulerBar.m_hWnd != NULL)		m_wndRulerBar.BringWindowToTop();	// at least 12 pt region plus ruler if it exists	CDisplayIC dc;	CSize size;	size.cy = MulDiv(12, dc.GetDeviceCaps(LOGPIXELSY), 72)+1;	size.cx = dc.GetDeviceCaps(LOGPIXELSX)/4; // 1/4"	size.cx += HORZ_TEXTOFFSET; //adjust for offset	size.cy += VERT_TEXTOFFSET;	if (m_wndRulerBar.m_hWnd != NULL && m_wndRulerBar.IsVisible())	{		CRect rect;		m_wndRulerBar.GetWindowRect(&rect);		size.cy += rect.Height();	}	m_wndResizeBar.SetMinSize(size);}

void CChildFrame::OnEditPaste() {	// TODO: Add your command handler code here	CMTXCalcView* pView = (CMTXCalcView*)GetActiveView();    	pView->pGridCtrl->OnEditPaste();	pView->updateDocFromGrid();}

void CResizableFrame::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI) {	MinMaxInfo(lpMMI);	CView* pView = GetActiveView();	if (pView == NULL)		return;	// get the extra size from view to frame	CRect rectClient, rectWnd;	GetWindowRect(rectWnd);	RepositionBars(0, 0xFFFF, AFX_IDW_PANE_FIRST, reposQuery, rectClient);	CSize sizeExtra = rectWnd.Size() - rectClient.Size();	// ask the view for track size	MINMAXINFO mmiView = *lpMMI;	pView->SendMessage(WM_GETMINMAXINFO, 0, (LPARAM)&mmiView);	mmiView.ptMaxTrackSize = sizeExtra + mmiView.ptMaxTrackSize;	mmiView.ptMinTrackSize = sizeExtra + mmiView.ptMinTrackSize;	// min size is the largest	lpMMI->ptMinTrackSize.x = __max(lpMMI->ptMinTrackSize.x,		mmiView.ptMinTrackSize.x);	lpMMI->ptMinTrackSize.y = __max(lpMMI->ptMinTrackSize.y,		mmiView.ptMinTrackSize.y);	// max size is the shortest	lpMMI->ptMaxTrackSize.x = __min(lpMMI->ptMaxTrackSize.x,		mmiView.ptMaxTrackSize.x);	lpMMI->ptMaxTrackSize.y = __min(lpMMI->ptMaxTrackSize.y,		mmiView.ptMaxTrackSize.y);}

/*** 响应上工具条按钮；显示采集站* @param void* @return void*/void CInstrumentGraphChildFrame::OnShowInstrumentCollect() {	//是否显示采集站	m_bShowInstrumentCollect = !m_bShowInstrumentCollect;	CInstrumentGraphView* pView = (CInstrumentGraphView*)GetActiveView();	pView->RedrawWindow();}

/*** 响应上工具条按钮；显示交叉站* @param void* @return void*/void CInstrumentGraphChildFrame::OnShowInstrumentCross() {	//是否显示交叉站	m_bShowInstrumentCross = !m_bShowInstrumentCross;	CInstrumentGraphView* pView = (CInstrumentGraphView*)GetActiveView();	pView->RedrawWindow();}

/*** 响应上工具条按钮；显示电源站* @param void* @return void*/void CInstrumentGraphChildFrame::OnShowInstrumentPower() {	//是否显示电源站	m_bShowInstrumentPower = !m_bShowInstrumentPower;	CInstrumentGraphView* pView = (CInstrumentGraphView*)GetActiveView();	pView->RedrawWindow();}

BOOL CDrawItem::OnChangeItemPosition(const CRect& rectPos){	ASSERT_VALID(this);	CDrawView* pView = GetActiveView();	ASSERT_VALID(pView);	CRect rect = rectPos;	pView->ClientToDoc(rect);	if (rect != m_pDrawObj->m_position)	{		// invalidate old rectangle		m_pDrawObj->Invalidate();		// update to new rectangle		m_pDrawObj->m_position = rect;		GetExtent(&m_pDrawObj->m_extent);		// and invalidate new rectangle		m_pDrawObj->Invalidate();		// mark document as dirty		GetDocument()->SetModifiedFlag();	}	return COleClientItem::OnChangeItemPosition(rectPos);}

/*** 响应上工具条按钮；显示连接线* @param void* @return void*/void CInstrumentGraphChildFrame::OnShowLinkLine() {	//是否显示连接线	m_bShowLinkLine = !m_bShowLinkLine;	CInstrumentGraphView* pView = (CInstrumentGraphView*)GetActiveView();	pView->RedrawWindow();}

BOOL CMainFrame::OnCopyData(CWnd* pWnd, COPYDATASTRUCT* pData) {    	//TRACE("OnCopyData Accessed/n");	//std::string *msg = (std::string*)pData->lpData;	//TRACE("CMainframe     msg: %s/n",msg->c_str());	//int msgId = pData->dwData;	//int msgSize = pData->cbData;	//std::string *filename = (std::string*)pData->lpData;	COPYDATASTRUCT data;	//data.dwData = msgId;	//data.cbData = msgSize;	//data.lpData = msg;	data.dwData = pData->dwData;	data.cbData = pData->cbData;	data.lpData = pData->lpData;			CView *pView = GetActiveView();	if (pView == NULL){		TRACE("pView == NULL/n");	}	else{	    pView->SendMessage(WM_COPYDATA,0,(LPARAM)&data);		//TRACE("CMainFrame::OnCopyData message sent/n");	}		return TRUE;}

void CChildFrame::OnEditCopy() {	// TODO: Add your command handler code here	CMTXCalcView* pView = (CMTXCalcView*)GetActiveView();    ((CMainFrame*)AfxGetApp()->m_pMainWnd)->pDoc = pView->GetDocument();	pView->pGridCtrl->OnEditCopy();	}

void CMainFrame::SwitchToView(eView nView){	CView* pOldActiveView = GetActiveView();	CView* pNewActiveView = (CView*) GetDlgItem(nView);	if (pNewActiveView == NULL) {		switch (nView) {		case STRING:			pNewActiveView = (CView*) new CStringView;			break;		case HEX:			pNewActiveView = (CView*) new CHexView;			break;		}		CCreateContext context;		context.m_pCurrentDoc = pOldActiveView->GetDocument();		pNewActiveView->Create(NULL, NULL, WS_BORDER,			CFrameWnd::rectDefault, this, nView, &context);		pNewActiveView->OnInitialUpdate();	}	SetActiveView(pNewActiveView);	pNewActiveView->ShowWindow(SW_SHOW);	pOldActiveView->ShowWindow(SW_HIDE);	pOldActiveView->SetDlgCtrlID(		pOldActiveView->GetRuntimeClass() == 		RUNTIME_CLASS(CStringView) ? STRING : HEX);	pNewActiveView->SetDlgCtrlID(AFX_IDW_PANE_FIRST);	RecalcLayout();}

void CMainFrame::OnSendFile() {	// TODO: Add your command handler code here	CMyCommDoc   *Doc   =  (CMyCommDoc   *)GetActiveDocument();	if (!Doc->m_ComAction) {		AfxMessageBox(_T("串口没有打开！"));		return;	}		CSendFileByXModem dlg;	dlg.m_ModemType = 0;	if (dlg.DoModal()==IDOK)	{		//发送文件		CFile fp;		if(!(fp.Open((LPCTSTR)dlg.m_SendFileName ,CFile::modeRead))) 		{			AfxMessageBox(_T("打开文件出错!"));			return;		}		fp.SeekToEnd();		unsigned long fplength=fp.GetLength();		char* fpBuff;		fpBuff=new char[fplength];		fp.SeekToBegin();		if(fp.Read(fpBuff,fplength)<1)		{			fp.Close();			return;		}		fp.Close();		//send		CMyCommView * myview = (CMyCommView *)GetActiveView();		myview->m_EditLogger.AddText(_T("发送文件..../r/n"));		BOOL mySendOk;        		switch(dlg.m_ModemType) {			case 0:  //xModem				mySendOk = Doc->SendByXmodem(fpBuff,fplength,0);				break;			case 1: //yModem				break;			case 2: //zModem								break;			case 3: //1k xmodem 								break;			default:				return;		}		if(mySendOk)			myview->m_EditLogger.AddText(_T("完成发送。/r/n"));		else			myview->m_EditLogger.AddText(_T("发送失败！！！/n/r"));	}}

LRESULT CMainFrame::WindowProc(UINT message, WPARAM wParam, LPARAM lParam){    BOOL oldMin = m_isMinimum;    //printf("CMainFrame::WindowProc() Msg: %x, WPARAM: %x, LPARAM: %x/n", message, wParam, lParam);	switch(message)	{    case WM_CLOSE:        printf("received WM_CLOSE!");        break;    case WM_SIZE:        switch ( wParam ) {        case SIZE_MINIMIZED:            m_isMinimum = TRUE;            break;        case SIZE_MAXIMIZED:        case SIZE_RESTORED:            m_isMinimum = FALSE;            break;        }        break;    case ID_OBTAIN_TGT_WITH_LPARAM:        GetActiveView()->SendMessage(ID_OBTAIN_TGT_WITH_LPARAM, wParam,                                     lParam);        break;	}    if ( oldMin != m_isMinimum ) {        if ( m_isMinimum ) {            ShowTaskBarButton(FALSE);            ShowWindow(SW_HIDE);        }    }    return CLeashFrame::WindowProc(message, wParam, lParam);}

void CMainFrame::SetOfficeTheme(int nCalendarTheme){	//	xtpThemeOffice2000,     // Office 2000 theme.//	xtpThemeOfficeXP,       // Office XP theme.//	xtpThemeOffice2003,     // Office 2003 theme.//	xtpThemeNativeWinXP,    // Windows XP themes support.//	xtpThemeWhidbey,        // Visual Studio 2005 theme.//	xtpThemeOffice2007,     // Office 2007 theme.//	xtpThemeRibbon,         // Office 2007 style ribbon theme//	xtpThemeVisualStudio2008, // Visual Studio 2008 theme//	xtpThemeCustom          // Custom theme.	static int sarThemesMap[xtpCalendarThemeOffice2007+1] = {0};	if (sarThemesMap[xtpCalendarThemeOffice2000] == 0)	{		sarThemesMap[xtpCalendarThemeOffice2000] = xtpThemeOffice2000;		sarThemesMap[xtpCalendarThemeOfficeXP] = xtpThemeOfficeXP;		sarThemesMap[xtpCalendarThemeOffice2003] = xtpThemeOffice2003;		sarThemesMap[xtpCalendarThemeOffice2007] = xtpThemeRibbon;	}	// 0 - Blue, 1 - Silver, 2 - Black	int nTheme2007Style = 0;	if (nCalendarTheme > xtpCalendarThemeOffice2007)	{		nTheme2007Style = nCalendarTheme - xtpCalendarThemeOffice2007 - 100;		nCalendarTheme = xtpCalendarThemeOffice2007;	}		XTPPaintTheme nTheme2 = (XTPPaintTheme)sarThemesMap[nCalendarTheme];	//------------------------------------	CString strFilePath = _GetTheme2007Style_file(nTheme2007Style);	XTPOffice2007Images()->SetHandle(strFilePath);	//===============================================================	#ifdef _XTP_INCLUDE_RIBBON	CXTPPaintManager::SetTheme(nTheme2);	if (nTheme2 == xtpThemeRibbon)		EnableOffice2007Frame(GetCommandBars());	else		EnableOffice2007Frame(0);#else	CXTPPaintManager::SetTheme((XTPPaintTheme)min(nTheme2, xtpThemeOffice2003));#endif	// _XTP_INCLUDE_RIBBON		XTPColorManager()->SetLunaTheme((nTheme2 == xtpThemeOffice2000) ? xtpSystemThemeUnknown : xtpSystemThemeAuto);		RecalcLayout(FALSE);	GetCommandBars()->RedrawCommandBars();	RedrawWindow();		m_nOfficeTheme = nCalendarTheme;	CCalendarDemoView *pView = DYNAMIC_DOWNCAST(CCalendarDemoView, GetActiveView());	if (pView)		pView->OnOfficeThemeChanged(nCalendarTheme);}

/*** 响应上工具条按钮；显示线号桩号* @param void* @return void*/void CInstrumentGraphChildFrame::OnShowLineNbPointNb() {	//是否显示测区坐标	m_bShowLineNbPointNb = !m_bShowLineNbPointNb;	CInstrumentGraphView* pView = (CInstrumentGraphView*)GetActiveView();	pView->RedrawWindow();}

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