自学教程：C++ GetApplication函数代码示例

// create a new paint brushvoid TOleDocWindow::CMPBrush( RTMessage ){	BackupObject();	bObjectLoaded = FALSE;	lstrcpy( lpszObjectName, GetNextObjectName() );	ret = OleCreate( "StdFileEditing",			(LPOLECLIENT)pOwlClient,			"PBRUSH",			lhClientDoc,			GetApplication()->Name,			&lpObject,			olerender_draw,			0 );	// Creating an Ole Object is a asynchronous operation.  An	// interesting experiment is to use TDW to step into	// WaitOleNotBusy (which the following wait macro takes you	// to) and look at the user screen between message	// dispatching.  You should see pbrush gradually paint	// itself as it processes the messages which which Ole	// generates for it.  In general, if a Ole Server does not	// behave properly when creating an object, a likely cause is a	// problem with the message dispatch loop.	wait( ret , lpObject );	// OleSetHostNames sets the name in the server app.  If this	// was not called, pbrush would display a string with a bunch	// of % sings in it.	ret = OleSetHostNames( lpObject, GetApplication()->Name, lpszObjectName );	wait( ret , lpObject );}

			void GuiControl::CloseTooltip()			{				if(GetApplication()->GetTooltipOwner()==this)				{					GetApplication()->CloseTooltip();				}			}

BOOL ColourDragInformation::Init(){	// Setup preference for drag transparency	if (GetApplication()->DeclareSection(_T("Dragging"), 1))		GetApplication()->DeclarePref( NULL, _T("ColourDragTransparency"), &DragTransparency, 0, 100);	return TRUE;}

BOOL ClickModifiers::DeclarePrefs(){	GetApplication()->DeclareSection( wxT("Mouse"), 5);	GetApplication()->DeclarePref( wxT("Mouse"), wxT("Left Button"), (INT32*)&LeftButtonFunction);	GetApplication()->DeclarePref( wxT("Mouse"), wxT("Middle Button"), (INT32*)&MiddleButtonFunction);	GetApplication()->DeclarePref( wxT("Mouse"), wxT("Right Button"), (INT32*)&RightButtonFunction);	return TRUE;}

void run_chain(int nChainNumber) {  int inst = inst_ok(INST_LOC_CHAINS, nChainNumber + 1);  if (inst != 0) {    char szMessage[255];    sprintf(szMessage, "|#2Chain %s is in use on instance %d", chains[nChainNumber].description, inst);    if (!(chains[nChainNumber].ansir & ansir_multi_user)) {      strcat(szMessage, "Try again later./r/n");      GetSession()->bout << szMessage;      return;    } else {      strcat(szMessage, "Care to join in? ");      GetSession()->bout << szMessage;      if (!yesno()) {        return;      }    }  }  write_inst(INST_LOC_CHAINS, static_cast< unsigned short >(nChainNumber + 1), INST_FLAGS_NONE);  if (GetApplication()->HasConfigFlag(OP_FLAGS_CHAIN_REG) && chains_reg) {    chains_reg[nChainNumber].usage++;    WFile regFile(syscfg.datadir, CHAINS_REG);    if (regFile.Open(WFile::modeReadWrite | WFile::modeBinary | WFile::modeCreateFile | WFile::modeTruncate,                     WFile::shareUnknown, WFile::permReadWrite)) {      regFile.Write(chains_reg, GetSession()->GetNumberOfChains() * sizeof(chainregrec));    }  }  char szComSpeed[ 11 ];  sprintf(szComSpeed, "%d", (com_speed == 1) ? 115200 : com_speed);  char szComPortNum[ 11 ];  sprintf(szComPortNum, "%d", syscfgovr.primaryport);  char szModemSpeed[ 11 ];  sprintf(szModemSpeed, "%d", modem_speed);  const std::string chainCmdLine = stuff_in(chains[nChainNumber].filename, create_chain_file(), szComSpeed, szComPortNum,                                   szModemSpeed, "");  sysoplogf("!Ran /"%s/"", chains[nChainNumber].description);  GetSession()->GetCurrentUser()->SetNumChainsRun(GetSession()->GetCurrentUser()->GetNumChainsRun() + 1);  unsigned short flags = 0;  if (!(chains[nChainNumber].ansir & ansir_no_DOS)) {    flags |= EFLAG_COMIO;  }  if (chains[nChainNumber].ansir & ansir_no_pause) {    flags |= EFLAG_NOPAUSE;  }  if (chains[nChainNumber].ansir & ansir_emulate_fossil) {    flags |= EFLAG_FOSSIL;  }  ExecuteExternalProgram(chainCmdLine, flags);  write_inst(INST_LOC_CHAINS, 0, INST_FLAGS_NONE);  GetApplication()->UpdateTopScreen();}

void WidgetsInterfaceKit::OnWtRatiometricStateChanged(Wt::WCheckBox* checkbox){	bool ratiometric = checkbox->isChecked();	CPhidgetInterfaceKit_setRatiometric(m_phidget->GetNativeHandle(), ratiometric ? PTRUE : PFALSE);	::GetApplicationManager()->OnWtRatiometricChanged(GetApplication(), GetSerial(), ratiometric);	UpdateSensorFunctionDropdowns(ratiometric);	GetApplication()->triggerUpdate();}

void RTSPProtocol::GetStats(Variant &info, uint32_t namespaceId) {  BaseProtocol::GetStats(info, namespaceId);  info["streams"].IsArray(true);  Variant si;  if (GetApplication() != NULL) {    StreamsManager *pStreamsManager = GetApplication()->GetStreamsManager();    map<uint32_t, BaseStream*> streams = pStreamsManager->FindByProtocolId(GetId());    FOR_MAP(streams, uint32_t, BaseStream *, i) {      si.Reset();      MAP_VAL(i)->GetStats(si, namespaceId);      info["streams"].PushToArray(si);    }

void SelectionState::DeselectAll(BOOL RenderBlobs){	// Find the selected objects in the tree;	SelRange* Selected = GetApplication()->FindSelection();	ERROR3IF( Selected==NULL, "Selection object is null in DeselectAll()");	// Get the selected spread 	Spread* pSpread = Document::GetSelectedSpread();	ERROR3IF(pSpread == NULL,"NULL selected spread");	// Make sure that we have a spread and a selection	if (pSpread == NULL || Selected == NULL)		return;	// Find first selected node#if !defined(EXCLUDE_FROM_RALPH)	Node* pFirstSelectedNode = Selected->FindFirst();	// If there is a selection, EOR blobs off, deselect nodes, and inform everybody	if (pFirstSelectedNode != NULL && RenderBlobs)	{		// Go though and render all the EOR blobs off the screen		// Find the Blob Manager		BlobManager* BlobMgr = GetApplication()->GetBlobManager();		ENSURE( BlobMgr!=NULL, "Blob Manager unexpectedly not there.");		// Render all the blobs		BlobMgr->RenderOff(NULL, pFirstSelectedNode->FindParentSpread());		Tool* pTool = Tool::GetCurrent();					// Get the tool to remove all its blobs before we deselect the nodes.		// Only do this if the current tool dosent update itself on sel changed messages		if (pSpread!=NULL && pTool!=NULL && !pTool->AreToolBlobsRenderedOnSelection())			pTool->RenderToolBlobs(pSpread,NULL);	}#endif	DeselectAll(pSpread->FindFirstChild());	// Selection cache is no longer valid, so update and tell everyone that it has changed	// *Note*, This used to be 'Selected->Update(TRUE)', but I (Will) removed the TRUE, so	// that a message is NOT broadcast.  This should only be called from an operation,	// and the op will send a message when it ends.	Selected->Update();}

/* Initialize the bitblt demo window and allocate bitmaps */TBitBltWindow::TBitBltWindow( PTWindowsObject AParent, LPSTR ATitle ) :                  TBaseDemoWindow( AParent, ATitle ){  Background = LoadBitmap(GetApplication()->hInstance, MAKEINTRESOURCE(BackgroundID));  Ship = LoadBitmap(GetApplication()->hInstance, MAKEINTRESOURCE(ShipID));  MonoShip = LoadBitmap(GetApplication()->hInstance, MAKEINTRESOURCE(MonoShipID));  ScratchBitmap = 0;  StretchedBkgnd = 0;  OldX = 0;  OldY = 0;  X = 0;  Y = 0;  Delta = 5;  CurClick = 1;};

void LiveEffectsTool::OnMouseMove(DocCoord Coord, Spread* pSpread, ClickModifiers mods){// Stub out this function if the tool isn't wanted#ifndef NO_ADVANCED_TOOLS			// We are interested in any selected paths that the cursor is over	// we will also be needing the current docview	SelRange* Selected = GetApplication()->FindSelection();	Node* pNode = Selected->FindFirst();	// Check to see if the selection is on the same spread as the mouse	if (pNode!=NULL)	{		// Get the spread and return if it is different from the one with the cursor		Spread* pNodeSpread = pNode->FindParentSpread();		if (pNodeSpread!=pSpread)			return;	}	// Find the Blob manager, so we can find out how big a rect to use	BlobManager* pBlobMgr = GetApplication()->GetBlobManager();	if (pBlobMgr==NULL)		return;		// Find the Rect round the mouse pos that counts as a hit	DocRect BlobRect;	pBlobMgr->GetBlobRect(Coord, &BlobRect);		// Work out the square of the distance that we will count as 'close' to the line	INT32 Range = BlobRect.Width() / 2;	Range *= Range;//	// loop through the selection//	while (pNode!=NULL)//	{//		// Now find the next selected node//		pNode = Selected->FindNext(pNode);//	}	// We did not find anything good, so set the cursor to the normal one	ChangeCursor(pNormalCursor);	// And set the status bar text	StatusMsg.Load(_R(IDS_LIVEEFFECTSTART), Tool::GetModuleID(GetID()));	GetApplication()->UpdateStatusBarText(&StatusMsg);#endif	// NO_ADVANCED_TOOLS}

/********************************************************************************************>	static OpState OpRemoveClipView::GetState(String_256* pstrDescription, OpDescriptor* pOpDesc)	Author:		Karim_MacDonald (Xara Group Ltd) <[email
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