1061 lines
28 KiB
C++
1061 lines
28 KiB
C++
//**********************************************************************
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// File name: app.cpp
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//
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// Implementation file for the CSimpleApp Class
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//
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// Functions:
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//
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// See app.h for a list of member functions.
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//
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// Copyright (c) 1992 - 1993 Microsoft Corporation. All rights reserved.
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//**********************************************************************
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#include "pre.h"
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#include "iocs.h"
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#include "ias.h"
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#include "ioipf.h"
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#include "ioips.h"
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#include "app.h"
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#include "site.h"
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#include "doc.h"
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#include <testmess.h>
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extern void DeactivateIfActive(HWND hWnd);
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#ifdef WIN32
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extern INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam,
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LPARAM lParam);
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#endif
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//**********************************************************************
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//
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// CSimpleApp::CSimpleApp()
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//
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// Purpose:
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//
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// Constructor for CSimpleApp
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//
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// Parameters:
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//
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// None
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//
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// Return Value:
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//
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// None
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//
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// Function Calls:
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// Function Location
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//
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// TestDebugOut Windows API
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// SetRectEmpty Windows API
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//
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// Comments:
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//
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// CSimpleApp has a contained COleInPlaceFrame. On construction
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// of CSimpleApp, we explicitly call the constructor of this
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// contained class and pass a copy of the this pointer, so that
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// COleInPlaceFrame can refer back to this class
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//
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//********************************************************************
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#pragma warning(disable : 4355) // turn off this warning. This warning
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// tells us that we are passing this in
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// an initializer, before "this" is through
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// initializing. This is ok, because
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// we just store the ptr in the other
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// constructor
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CSimpleApp::CSimpleApp() : m_OleInPlaceFrame(this)
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#pragma warning (default : 4355) // Turn the warning back on
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{
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TestDebugOut(TEXT("In CSimpleApp's Constructor \r\n"));
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// Set Ref Count
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m_nCount = 0;
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// clear members
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m_hAppWnd = NULL;
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m_hInst = NULL;
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m_lpDoc = NULL;
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// Make sure we don't think we are deactivating
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m_fDeactivating = FALSE;
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// We haven't got a unit test accelerator so ...
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m_fGotUtestAccelerator = FALSE;
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// clear flags
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m_fInitialized = FALSE;
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m_fCSHMode = FALSE;
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m_fMenuMode = FALSE;
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// used for inplace
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SetRectEmpty(&nullRect);
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}
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//**********************************************************************
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//
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// CSimpleApp::~CSimpleApp()
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//
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// Purpose:
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//
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// Destructor for CSimpleApp Class.
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//
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// Parameters:
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//
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// None
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//
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// Return Value:
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//
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// None
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//
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// Function Calls:
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// Function Location
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//
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// TestDebugOut Windows API
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// DeleteObject Windows API
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// OleUninitialize OLE API
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//
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//
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//********************************************************************
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CSimpleApp::~CSimpleApp()
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{
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TestDebugOut(TEXT("In CSimpleApp's Destructor\r\n"));
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if (m_hStdPal)
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DeleteObject(m_hStdPal);
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// need to uninit the library...
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if (m_fInitialized)
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OleUninitialize();
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}
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//**********************************************************************
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//
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// CSimpleApp::DestroyDocs()
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//
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// Purpose:
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//
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// Destroys all of the open documents in the application (Only one
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// since this is an SDI app, but could easily be modified to
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// support MDI).
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//
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// Parameters:
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//
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// None
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//
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// Return Value:
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//
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// None
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//
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// Function Calls:
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// Function Location
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// CSimpDoc::Close DOC.CPP
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//
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//
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//********************************************************************
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void CSimpleApp::DestroyDocs()
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{
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m_lpDoc->Close(); // we have only 1 document
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}
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//**********************************************************************
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//
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// CSimpleApp::QueryInterface
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//
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// Purpose:
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//
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// Used for interface negotiation at the application level.
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//
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// Parameters:
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//
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// REFIID riid - A reference to the interface that is
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// being queried.
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//
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// LPVOID FAR* ppvObj - An out parameter to return a pointer to
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// the interface.
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//
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// Return Value:
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//
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// S_OK - The interface is supported.
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// E_NOINTERFACE - The interface is not supported
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//
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// Function Calls:
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// Function Location
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//
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// TestDebugOut Windows API
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// IsEqualIID OLE API
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// ResultFromScode OLE API
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// COleInPlaceFrame::AddRef IOIPF.CPP
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// CSimpleApp::AddRef APP.CPP
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//
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// Comments:
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//
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// Note that this QueryInterface is associated with the frame.
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// Since the application could potentially have multiple documents
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// and multiple objects, a lot of the interfaces are ambiguous.
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// (ie. which IOleObject is returned?). For this reason, only
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// pointers to interfaces associated with the frame are returned.
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// In this implementation, Only IOleInPlaceFrame (or one of the
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// interfaces it is derived from) can be returned.
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//
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//********************************************************************
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STDMETHODIMP CSimpleApp::QueryInterface(REFIID riid, LPVOID FAR* ppvObj)
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{
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TestDebugOut(TEXT("In CSimpleApp::QueryInterface\r\n"));
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*ppvObj = NULL; // must set out pointer parameters to NULL
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// looking for IUnknown
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if ( IsEqualIID(riid, IID_IUnknown))
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{
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AddRef();
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*ppvObj = this;
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return ResultFromScode(S_OK);
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}
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// looking for IOleWindow
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if ( IsEqualIID(riid, IID_IOleWindow))
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{
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m_OleInPlaceFrame.AddRef();
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*ppvObj=&m_OleInPlaceFrame;
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return ResultFromScode(S_OK);
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}
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// looking for IOleInPlaceUIWindow
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if ( IsEqualIID(riid, IID_IOleInPlaceUIWindow))
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{
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m_OleInPlaceFrame.AddRef();
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*ppvObj=&m_OleInPlaceFrame;
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return ResultFromScode(S_OK);
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}
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// looking for IOleInPlaceFrame
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if ( IsEqualIID(riid, IID_IOleInPlaceFrame))
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{
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m_OleInPlaceFrame.AddRef();
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*ppvObj=&m_OleInPlaceFrame;
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return ResultFromScode(S_OK);
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}
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// Not a supported interface
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return ResultFromScode(E_NOINTERFACE);
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}
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//**********************************************************************
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//
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// CSimpleApp::AddRef
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//
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// Purpose:
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//
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// Adds to the reference count at the Application level.
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//
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// Parameters:
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//
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// None
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//
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// Return Value:
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//
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// ULONG - The new reference count of the application.
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//
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// Function Calls:
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// Function Location
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//
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// TestDebugOut Windows API
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//
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// Comments:
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//
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// Due to the reference counting model that is used in this
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// implementation, this reference count is the sum of the
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// reference counts on all interfaces of all objects open
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// in the application.
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//
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//********************************************************************
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STDMETHODIMP_(ULONG) CSimpleApp::AddRef()
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{
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TestDebugOut(TEXT("In CSimpleApp::AddRef\r\n"));
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return ++m_nCount;
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}
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//**********************************************************************
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//
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// CSimpleApp::Release
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//
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// Purpose:
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//
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// Decrements the reference count at this level
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//
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// Parameters:
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//
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// None
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//
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// Return Value:
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//
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// ULONG - The new reference count of the application.
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//
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// Function Calls:
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// Function Location
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//
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// TestDebugOut Windows API
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//
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//
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//********************************************************************
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STDMETHODIMP_(ULONG) CSimpleApp::Release()
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{
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TestDebugOut(TEXT("In CSimpleApp::Release\r\n"));
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if (--m_nCount == 0)
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{
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delete this;
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return 0;
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}
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return m_nCount;
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}
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//**********************************************************************
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//
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// CSimpleApp::fInitApplication
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//
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// Purpose:
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//
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// Initializes the application
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//
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// Parameters:
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//
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// HANDLE hInstance - Instance handle of the application.
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//
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// Return Value:
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//
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// TRUE - Application was successfully initialized.
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// FALSE - Application could not be initialized
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//
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// Function Calls:
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// Function Location
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//
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// LoadIcon Windows API
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// LoadCursor Windows API
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// GetStockObject Windows API
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// RegisterClass Windows API
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//
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//
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//********************************************************************
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BOOL CSimpleApp::fInitApplication(HANDLE hInstance)
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{
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// Initialize our accelerator table
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if ((m_hAccel = LoadAccelerators((HINSTANCE) hInstance,
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TEXT("SimpcntrAccel"))) == NULL)
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{
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// Load failed so abort
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TestDebugOut(TEXT("ERROR: Accelerator Table Load FAILED\r\n"));
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return FALSE;
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}
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WNDCLASS wc;
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// Fill in window class structure with parameters that describe the
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// main window.
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wc.style = NULL; // Class style(s).
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wc.lpfnWndProc = MainWndProc; // Function to retrieve messages for
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// windows of this class.
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wc.cbClsExtra = 0; // No per-class extra data.
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wc.cbWndExtra = 0; // No per-window extra data.
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wc.hInstance = (HINSTANCE) hInstance; // Application that owns the
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// class.
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wc.hIcon = LoadIcon((HINSTANCE) hInstance, TEXT("SimpCntr"));
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wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
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wc.lpszMenuName = TEXT("SIMPLEMENU"); // Name of menu resource in
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// .RC file.
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wc.lpszClassName = TEXT("SimpCntrAppWClass"); // Name used in
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// CreateWindow call
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if (!RegisterClass(&wc))
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return FALSE;
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wc.style = CS_DBLCLKS; // Class style(s). allow DBLCLK's
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wc.lpfnWndProc = DocWndProc; // Function to retrieve messages for
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// windows of this class.
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wc.cbClsExtra = 0; // No per-class extra data.
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wc.cbWndExtra = 0; // No per-window extra data.
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wc.hInstance = (HINSTANCE) hInstance; // Application that owns
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// the class.
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wc.hIcon = NULL;
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wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
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wc.lpszMenuName = NULL;
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wc.lpszClassName = TEXT("SimpCntrDocWClass"); // Name used in
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// CreateWindow call.
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// Register the window class and return success/failure code.
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return (RegisterClass(&wc));
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}
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//**********************************************************************
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//
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// CSimpleApp::fInitInstance
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//
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// Purpose:
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//
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// Instance initialization.
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//
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// Parameters:
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//
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// HANDLE hInstance - App. Instance Handle.
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//
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// int nCmdShow - Show parameter from WinMain
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//
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// Return Value:
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//
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// TRUE - Initialization Successful
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// FALSE - Initialization Failed.
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//
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//
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// Function Calls:
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// Function Location
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//
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// CreateWindow Windows API
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// ShowWindow Windows API
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// UpdateWindow Windows API
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// OleBuildVersion OLE API
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// OleInitialize OLE API
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//
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// Comments:
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//
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// Note that successful Initalization of the OLE libraries
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// is remembered so the UnInit is only called if needed.
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//
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//********************************************************************
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BOOL CSimpleApp::fInitInstance (HANDLE hInstance, int nCmdShow)
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{
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LPMALLOC lpMalloc = NULL;
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#ifndef WIN32
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/* Since OLE is part of the operating system in Win32, we don't need to
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* check the version number in Win32.
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*/
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DWORD dwVer = OleBuildVersion();
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// check to see if we are compatible with this version of the libraries
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if (HIWORD(dwVer) != rmm || LOWORD(dwVer) < rup)
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{
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#ifdef _DEBUG
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TestDebugOut(TEXT("WARNING:Incompatible OLE library version\r\n"));
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#else
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return FALSE;
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#endif
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}
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#endif // WIN32
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#if defined( _DEBUG )
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/* OLE2NOTE: Use a special debug allocator to help track down
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** memory leaks.
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*/
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OleStdCreateDbAlloc(0, &lpMalloc);
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#endif
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// We try passing in our own allocator first - if that fails we
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// try without overriding the allocator.
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if (SUCCEEDED(OleInitialize(lpMalloc)) ||
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SUCCEEDED(OleInitialize(NULL)))
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{
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m_fInitialized = TRUE;
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}
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#if defined( _DEBUG )
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/* OLE2NOTE: release the special debug allocator so that only OLE is
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** holding on to it. later when OleUninitialize is called, then
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** the debug allocator object will be destroyed. when the debug
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** allocator object is destoyed, it will report (to the Output
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** Debug Terminal) whether there are any memory leaks.
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*/
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if (lpMalloc) lpMalloc->Release();
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#endif
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m_hInst = (HINSTANCE) hInstance;
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// Create the "application" windows
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m_hAppWnd = CreateWindow (TEXT("SimpCntrAppWClass"),
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TEXT("Simple OLE 2.0 In-Place Container"),
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WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN,
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CW_USEDEFAULT,
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CW_USEDEFAULT,
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CW_USEDEFAULT,
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CW_USEDEFAULT,
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NULL,
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NULL,
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(HINSTANCE) hInstance,
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NULL);
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if (!m_hAppWnd)
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return FALSE;
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m_hStdPal = OleStdCreateStandardPalette();
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ShowWindow (m_hAppWnd, nCmdShow);
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UpdateWindow (m_hAppWnd);
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// if we have been launched by the test driver, tell it our window handle
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if( m_hDriverWnd )
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{
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PostMessage(m_hDriverWnd, WM_TESTREG, (WPARAM)m_hAppWnd, 0);
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}
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|
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return m_fInitialized;
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}
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|
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//**********************************************************************
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//
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// CSimpleApp::lCommandHandler
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//
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// Purpose:
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//
|
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// Handles the processing of WM_COMMAND.
|
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//
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// Parameters:
|
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//
|
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// HWND hWnd - Handle to the application Window
|
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//
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// UINT message - message (always WM_COMMAND)
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//
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// WPARAM wParam - Same as passed to the WndProc
|
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//
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// LPARAM lParam - Same as passed to the WndProc
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//
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// Return Value:
|
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//
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// NULL
|
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//
|
|
// Function Calls:
|
|
// Function Location
|
|
//
|
|
// IOleInPlaceActiveObject::QueryInterface Object
|
|
// IOleInPlaceObject::ContextSensitiveHelp Object
|
|
// IOleInPlaceObject::Release Object
|
|
// IOleObject::DoVerb Object
|
|
// MessageBox Windows API
|
|
// DialogBox Windows API
|
|
// MakeProcInstance Windows API
|
|
// FreeProcInstance Windows API
|
|
// SendMessage Windows API
|
|
// DefWindowProc Windows API
|
|
// CSimpleDoc::InsertObject DOC.CPP
|
|
// CSimpleSite::GetObjRect SITE.CPP
|
|
// CSimpleApp::lCreateDoc APP.CPP
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//
|
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//
|
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//********************************************************************
|
|
|
|
long CSimpleApp::lCommandHandler (HWND hWnd, UINT message,
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WPARAM wParam, LPARAM lParam)
|
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{
|
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RECT rect;
|
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|
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// Win32 uses high word to tell were command came from so we dump it.
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wParam = LOWORD(wParam);
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|
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// context sensitive help...
|
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if (m_fMenuMode || m_fCSHMode)
|
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{
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if (m_fCSHMode)
|
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{
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// clear context sensitive help flag
|
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m_fCSHMode = FALSE;
|
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|
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// if there is an InPlace active object, call its context
|
|
// sensitive help method with the FALSE parameter to bring the
|
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// object out of the csh state. See the technotes for details.
|
|
if (m_lpDoc->m_lpActiveObject)
|
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{
|
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LPOLEINPLACEOBJECT lpInPlaceObject;
|
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m_lpDoc->m_lpActiveObject->QueryInterface(
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IID_IOleInPlaceObject,
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(LPVOID FAR *)&lpInPlaceObject);
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lpInPlaceObject->ContextSensitiveHelp(FALSE);
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lpInPlaceObject->Release();
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}
|
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}
|
|
|
|
// see the technotes for details on implementing context sensitive
|
|
// help
|
|
if (m_fMenuMode)
|
|
{
|
|
m_fMenuMode = FALSE;
|
|
|
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if (m_lpDoc->m_lpActiveObject)
|
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m_lpDoc->m_lpActiveObject->ContextSensitiveHelp(FALSE);
|
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}
|
|
// if we provided help, we would do it here...
|
|
MessageBox (hWnd, TEXT("Help"), TEXT("Help"), MB_OK);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
// see if the command is a verb selections
|
|
if (wParam >= IDM_VERB0)
|
|
{
|
|
// get the rectangle of the object
|
|
m_lpDoc->m_lpSite->GetObjRect(&rect);
|
|
|
|
m_lpDoc->m_lpSite->m_lpOleObject->DoVerb(wParam - IDM_VERB0, NULL,
|
|
&m_lpDoc->m_lpSite->m_OleClientSite,
|
|
-1, m_lpDoc->m_hDocWnd, &rect);
|
|
}
|
|
else
|
|
{
|
|
switch (wParam)
|
|
{
|
|
// bring up the About box
|
|
case IDM_ABOUT:
|
|
{
|
|
#ifdef WIN32
|
|
DialogBox(m_hInst, // current instance
|
|
TEXT("AboutBox"), // resource to use
|
|
m_hAppWnd, // parent handle
|
|
About); // About() instance address
|
|
#else
|
|
FARPROC lpProcAbout = MakeProcInstance((FARPROC)About,
|
|
m_hInst);
|
|
|
|
DialogBox(m_hInst, // current instance
|
|
TEXT("AboutBox"), // resource to use
|
|
m_hAppWnd, // parent handle
|
|
lpProcAbout); // About() instance address
|
|
|
|
FreeProcInstance(lpProcAbout);
|
|
#endif
|
|
|
|
break;
|
|
}
|
|
|
|
// bring up the InsertObject Dialog
|
|
case IDM_INSERTOBJECT:
|
|
m_lpDoc->InsertObject();
|
|
break;
|
|
|
|
// exit the application
|
|
case IDM_EXIT:
|
|
SendMessage(hWnd, WM_SYSCOMMAND, SC_CLOSE, 0L);
|
|
break;
|
|
|
|
case IDM_NEW:
|
|
m_lpDoc->Close();
|
|
m_lpDoc = NULL;
|
|
lCreateDoc(hWnd, 0, 0, 0);
|
|
break;
|
|
|
|
case IDM_DEACTIVATE:
|
|
DeactivateIfActive(hWnd);
|
|
break;
|
|
|
|
case IDM_UTEST:
|
|
m_fGotUtestAccelerator = TRUE;
|
|
break;
|
|
|
|
default:
|
|
return (DefWindowProc(hWnd, message, wParam, lParam));
|
|
} // end of switch
|
|
} // end of else
|
|
return NULL;
|
|
}
|
|
|
|
//**********************************************************************
|
|
//
|
|
// CSimpleApp::lSizeHandler
|
|
//
|
|
// Purpose:
|
|
//
|
|
// Handles the WM_SIZE message
|
|
//
|
|
// Parameters:
|
|
//
|
|
// HWND hWnd - Handle to the application Window
|
|
//
|
|
// UINT message - message (always WM_SIZE)
|
|
//
|
|
// WPARAM wParam - Same as passed to the WndProc
|
|
//
|
|
// LPARAM lParam - Same as passed to the WndProc
|
|
//
|
|
// Return Value:
|
|
//
|
|
// LONG - returned from the "document" resizing
|
|
//
|
|
// Function Calls:
|
|
// Function Location
|
|
//
|
|
// GetClientRect Windows API
|
|
// CSimpleDoc::lResizeDoc DOC.CPP
|
|
//
|
|
//
|
|
//********************************************************************
|
|
|
|
long CSimpleApp::lSizeHandler (HWND hWnd, UINT message, WPARAM wParam,
|
|
LPARAM lParam)
|
|
{
|
|
RECT rect;
|
|
|
|
GetClientRect(m_hAppWnd, &rect);
|
|
return m_lpDoc->lResizeDoc(&rect);
|
|
}
|
|
|
|
//**********************************************************************
|
|
//
|
|
// CSimpleApp::lCreateDoc
|
|
//
|
|
// Purpose:
|
|
//
|
|
// Handles the creation of a document.
|
|
//
|
|
// Parameters:
|
|
//
|
|
// HWND hWnd - Handle to the application Window
|
|
//
|
|
// UINT message - message (always WM_CREATE)
|
|
//
|
|
// WPARAM wParam - Same as passed to the WndProc
|
|
//
|
|
// LPARAM lParam - Same as passed to the WndProc
|
|
//
|
|
// Return Value:
|
|
//
|
|
// NULL
|
|
//
|
|
// Function Calls:
|
|
// Function Location
|
|
//
|
|
// GetClientRect Windows API
|
|
// CSimpleDoc::CSimpleDoc DOC.CPP
|
|
//
|
|
//
|
|
//********************************************************************
|
|
|
|
long CSimpleApp::lCreateDoc (HWND hWnd, UINT message, WPARAM wParam,
|
|
LPARAM lParam)
|
|
{
|
|
RECT rect;
|
|
|
|
GetClientRect(hWnd, &rect);
|
|
|
|
m_lpDoc = CSimpleDoc::Create(this, &rect, hWnd);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
//**********************************************************************
|
|
//
|
|
// CSimpleApp::AddFrameLevelUI
|
|
//
|
|
// Purpose:
|
|
//
|
|
// Used during InPlace negotiation.
|
|
//
|
|
// Parameters:
|
|
//
|
|
// None
|
|
//
|
|
// Return Value:
|
|
//
|
|
// None
|
|
//
|
|
// Function Calls:
|
|
// Function Location
|
|
//
|
|
// COleInPlaceFrame::SetMenu IOIPF.CPP
|
|
// CSimpleApp::AddFrameLevelTools APP.CPP
|
|
//
|
|
// Comments:
|
|
//
|
|
// Be sure to read the Technotes included in the OLE 2.0 toolkit
|
|
//
|
|
//********************************************************************
|
|
|
|
void CSimpleApp::AddFrameLevelUI()
|
|
{
|
|
m_OleInPlaceFrame.SetMenu(NULL, NULL, NULL);
|
|
AddFrameLevelTools();
|
|
}
|
|
|
|
//**********************************************************************
|
|
//
|
|
// CSimpleApp::AddFrameLevelTools
|
|
//
|
|
// Purpose:
|
|
//
|
|
// Used during InPlace negotiation.
|
|
//
|
|
// Parameters:
|
|
//
|
|
// None
|
|
//
|
|
// Return Value:
|
|
//
|
|
// None
|
|
//
|
|
// Function Calls:
|
|
// Function Location
|
|
//
|
|
// COleInPlaceFrame::SetBorderSpace IOIPF.CPP
|
|
// InvalidateRect Windows API
|
|
//
|
|
// Comments:
|
|
//
|
|
// Be sure to read the Technotes included in the OLE 2.0 toolkit
|
|
//
|
|
//********************************************************************
|
|
|
|
void CSimpleApp::AddFrameLevelTools()
|
|
{
|
|
m_OleInPlaceFrame.SetBorderSpace(&nullRect);
|
|
InvalidateRect(m_hAppWnd, NULL, TRUE);
|
|
}
|
|
|
|
//**********************************************************************
|
|
//
|
|
// CSimpleApp::HandleAccelerators
|
|
//
|
|
// Purpose:
|
|
//
|
|
// To properly handle accelerators in the Message Loop
|
|
//
|
|
// Parameters:
|
|
//
|
|
// LPMSG lpMsg - A pointer to the message structure.
|
|
//
|
|
// Return Value:
|
|
//
|
|
// TRUE - The accelerator was handled
|
|
// FALSE - The accelerator was not handled
|
|
//
|
|
// Function Calls:
|
|
// Function Location
|
|
//
|
|
// IOleInPlaceActiveObject::TranslateAccelerator Object
|
|
//
|
|
// Comments:
|
|
//
|
|
// If an object is InPlace active, it gets the first shot at
|
|
// handling the accelerators.
|
|
//
|
|
//********************************************************************
|
|
|
|
BOOL CSimpleApp::HandleAccelerators(LPMSG lpMsg)
|
|
{
|
|
HRESULT hResult;
|
|
BOOL retval = FALSE;
|
|
|
|
// The following is what you would do if this were an inproc DLL.
|
|
// A local server will be passing us commands to process
|
|
#if 0
|
|
// if we have an InPlace Active Object
|
|
if (m_lpDoc->m_lpActiveObject)
|
|
{
|
|
// Pass the accelerator on...
|
|
hResult = m_lpDoc->m_lpActiveObject->TranslateAccelerator(lpMsg);
|
|
if (hResult == NOERROR)
|
|
retval = TRUE;
|
|
}
|
|
#endif
|
|
|
|
// We process our accelerators
|
|
return TranslateAccelerator(m_hAppWnd, m_hAccel, lpMsg);
|
|
}
|
|
|
|
//**********************************************************************
|
|
//
|
|
// CSimpleApp::PaintApp
|
|
//
|
|
// Purpose:
|
|
//
|
|
// Handles the painting of the doc window.
|
|
//
|
|
//
|
|
// Parameters:
|
|
//
|
|
// HDC hDC - hDC to the Doc Window.
|
|
//
|
|
// Return Value:
|
|
//
|
|
// None
|
|
//
|
|
// Function Calls:
|
|
// Function Location
|
|
//
|
|
// CSimpleDoc::PaintDoc DOC.CPP
|
|
//
|
|
// Comments:
|
|
//
|
|
// This is an app level function in case we want to do palette
|
|
// management.
|
|
//
|
|
//********************************************************************
|
|
|
|
void CSimpleApp::PaintApp (HDC hDC)
|
|
{
|
|
// at this level, we could enumerate through all of the
|
|
// visible objects in the application, so that a palette
|
|
// that best fits all of the objects can be built.
|
|
|
|
// This app is designed to take on the same palette
|
|
// functionality that was provided in OLE 1.0, the palette
|
|
// of the last object drawn is realized. Since we only
|
|
// support one object at a time, it shouldn't be a big
|
|
// deal.
|
|
|
|
// if we supported multiple documents, we would enumerate
|
|
// through each of the open documents and call paint.
|
|
|
|
if (m_lpDoc)
|
|
m_lpDoc->PaintDoc(hDC);
|
|
|
|
}
|
|
|
|
//**********************************************************************
|
|
//
|
|
// CSimpleApp::ContextSensitiveHelp
|
|
//
|
|
// Purpose:
|
|
// Used in supporting context sensitive help at the app level.
|
|
//
|
|
//
|
|
// Parameters:
|
|
//
|
|
// BOOL fEnterMode - Entering/Exiting Context Sensitive
|
|
// help mode.
|
|
//
|
|
// Return Value:
|
|
//
|
|
// None
|
|
//
|
|
// Function Calls:
|
|
// Function Location
|
|
//
|
|
// IOleInPlaceActiveObject::QueryInterface Object
|
|
// IOleInPlaceObject::ContextSensitiveHelp Object
|
|
// IOleInPlaceObject::Release Object
|
|
//
|
|
// Comments:
|
|
//
|
|
// This function isn't used because we don't support Shift+F1
|
|
// context sensitive help. Be sure to look at the technotes
|
|
// in the OLE 2.0 toolkit.
|
|
//
|
|
//********************************************************************
|
|
|
|
void CSimpleApp::ContextSensitiveHelp (BOOL fEnterMode)
|
|
{
|
|
if (m_fCSHMode != fEnterMode)
|
|
{
|
|
m_fCSHMode = fEnterMode;
|
|
|
|
// this code "trickles" the context sensitive help via shift+f1
|
|
// to the inplace active object. See the technotes for implementation
|
|
// details.
|
|
if (m_lpDoc->m_lpActiveObject)
|
|
{
|
|
LPOLEINPLACEOBJECT lpInPlaceObject;
|
|
m_lpDoc->m_lpActiveObject->QueryInterface(IID_IOleInPlaceObject,
|
|
(LPVOID FAR *)&lpInPlaceObject);
|
|
lpInPlaceObject->ContextSensitiveHelp(fEnterMode);
|
|
lpInPlaceObject->Release();
|
|
}
|
|
}
|
|
}
|
|
|
|
/* OLE2NOTE: forward the WM_QUERYNEWPALETTE message (via
|
|
** SendMessage) to UIActive in-place object if there is one.
|
|
** this gives the UIActive object the opportunity to select
|
|
** and realize its color palette as the FOREGROUND palette.
|
|
** this is optional for in-place containers. if a container
|
|
** prefers to force its color palette as the foreground
|
|
** palette then it should NOT forward the this message. or
|
|
** the container can give the UIActive object priority; if
|
|
** the UIActive object returns 0 from the WM_QUERYNEWPALETTE
|
|
** message (ie. it did not realize its own palette), then
|
|
** the container can realize its palette.
|
|
** (see ContainerDoc_ForwardPaletteChangedMsg for more info)
|
|
**
|
|
** (It is a good idea for containers to use the standard
|
|
** palette even if they do not use colors themselves. this
|
|
** will allow embedded object to get a good distribution of
|
|
** colors when they are being drawn by the container)
|
|
**
|
|
*/
|
|
|
|
//**********************************************************************
|
|
//
|
|
// CSimpleApp::QueryNewPalette
|
|
//
|
|
// Purpose:
|
|
// See above
|
|
//
|
|
//
|
|
// Parameters:
|
|
//
|
|
// None
|
|
//
|
|
// Return Value:
|
|
//
|
|
// 0 if the handle to palette (m_hStdPal) is NULL,
|
|
// 1 otherwise
|
|
//
|
|
// Function Calls:
|
|
// Function Location
|
|
//
|
|
// SendMessage Windows API
|
|
//
|
|
//
|
|
//********************************************************************
|
|
|
|
LRESULT CSimpleApp::QueryNewPalette(void)
|
|
{
|
|
if (m_hwndUIActiveObj)
|
|
{
|
|
if (SendMessage(m_hwndUIActiveObj, WM_QUERYNEWPALETTE,
|
|
(WPARAM)0, (LPARAM)0))
|
|
{
|
|
/* Object selected its palette as foreground palette */
|
|
return (LRESULT)1;
|
|
}
|
|
}
|
|
|
|
return wSelectPalette(m_hAppWnd, m_hStdPal, FALSE/*fBackground*/);
|
|
}
|
|
|
|
|
|
/* This is just a helper routine */
|
|
|
|
LRESULT wSelectPalette(HWND hWnd, HPALETTE hPal, BOOL fBackground)
|
|
{
|
|
HDC hdc;
|
|
HPALETTE hOldPal;
|
|
UINT iPalChg = 0;
|
|
|
|
if (hPal == 0)
|
|
return (LRESULT)0;
|
|
|
|
hdc = GetDC(hWnd);
|
|
hOldPal = SelectPalette(hdc, hPal, fBackground);
|
|
iPalChg = RealizePalette(hdc);
|
|
SelectPalette(hdc, hOldPal, TRUE /*fBackground*/);
|
|
ReleaseDC(hWnd, hdc);
|
|
|
|
if (iPalChg > 0)
|
|
InvalidateRect(hWnd, NULL, TRUE);
|
|
|
|
return (LRESULT)1;
|
|
}
|
|
|
|
|