711 lines
19 KiB
C++
711 lines
19 KiB
C++
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//**********************************************************************
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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 "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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//**********************************************************************
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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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//********************************************************************
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CSimpleApp::CSimpleApp()
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{
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TestDebugOut("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_hDriverWnd = NULL;
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m_hInst = NULL;
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m_lpDoc = NULL;
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// clear flags
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m_fInitialized = FALSE;
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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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// OleUninitialize OLE API
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//
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// Comments:
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//
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//********************************************************************
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CSimpleApp::~CSimpleApp()
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{
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TestDebugOut("In CSimpleApp's Destructor\r\n");
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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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//
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// Comments:
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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 Frame 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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// S_FALSE - 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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// ResultFromScode OLE API
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//
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// Comments:
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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("In CSimpleApp::QueryInterface\r\n");
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*ppvObj = NULL; // must set out pointer parameters to NULL
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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("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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// Comments:
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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("In CSimpleApp::Release\r\n");
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if (--m_nCount == 0) {
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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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// Comments:
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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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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; // Application that owns the class.
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wc.hIcon = LoadIcon(hInstance,"SimpDnd");
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wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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wc.hbrBackground = GetStockObject(WHITE_BRUSH);
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wc.lpszMenuName = "SIMPLEMENU"; // Name of menu resource in .RC file.
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wc.lpszClassName = "SimpDndAppWClass"; // Name used in 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; // Application that owns 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 = GetStockObject(WHITE_BRUSH);
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wc.lpszMenuName = NULL;
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wc.lpszClassName = "SimpDndDocWClass"; // Name used in 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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DWORD dwVer = OleBuildVersion();
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LPMALLOC lpMalloc = NULL;
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#ifdef NO
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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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#ifdef _DEBUG
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TestDebugOut("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
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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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if (OleInitialize(lpMalloc) == NOERROR)
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m_fInitialized = TRUE;
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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;
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// Create the "application" windows
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m_hAppWnd = CreateWindow ("SimpDndAppWClass",
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"Simple OLE 2.0 Drag/Drop Container",
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WS_OVERLAPPEDWINDOW,
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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,
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NULL);
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if (!m_hAppWnd)
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return FALSE;
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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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// delay before dragging should start, in milliseconds
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m_nDragDelay = GetProfileInt(
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"windows",
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"DragDelay",
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DD_DEFDRAGDELAY
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);
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// minimum distance (radius) before drag should start, in pixels
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m_nDragMinDist = GetProfileInt(
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"windows",
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"DragMinDist",
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DD_DEFDRAGMINDIST
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);
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// delay before scrolling, in milliseconds
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m_nScrollDelay = GetProfileInt(
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"windows",
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"DragScrollDelay",
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DD_DEFSCROLLDELAY
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);
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// inset-width of the hot zone, in pixels
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m_nScrollInset = GetProfileInt(
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"windows",
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"DragScrollInset",
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|
|
DD_DEFSCROLLINSET
|
||
|
|
);
|
||
|
|
|
||
|
|
// scroll interval, in milliseconds
|
||
|
|
m_nScrollInterval = GetProfileInt(
|
||
|
|
"windows",
|
||
|
|
"DragScrollInterval",
|
||
|
|
DD_DEFSCROLLINTERVAL
|
||
|
|
);
|
||
|
|
|
||
|
|
ShowWindow (m_hAppWnd, nCmdShow);
|
||
|
|
UpdateWindow (m_hAppWnd);
|
||
|
|
|
||
|
|
return m_fInitialized;
|
||
|
|
}
|
||
|
|
|
||
|
|
//**********************************************************************
|
||
|
|
//
|
||
|
|
// CSimpleApp::lCommandHandler
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
//
|
||
|
|
// Handles the processing of WM_COMMAND.
|
||
|
|
//
|
||
|
|
// Parameters:
|
||
|
|
//
|
||
|
|
// HWND hWnd - Handle to the application Window
|
||
|
|
//
|
||
|
|
// UINT message - message (always WM_COMMAND)
|
||
|
|
//
|
||
|
|
// WPARAM wParam - Same as passed to the WndProc
|
||
|
|
//
|
||
|
|
// LPARAM lParam - Same as passed to the WndProc
|
||
|
|
//
|
||
|
|
// Return Value:
|
||
|
|
//
|
||
|
|
// NULL
|
||
|
|
//
|
||
|
|
// Function Calls:
|
||
|
|
// Function Location
|
||
|
|
//
|
||
|
|
// IOleObject::DoVerb Object
|
||
|
|
// GetClientRect Windows API
|
||
|
|
// MessageBox Windows API
|
||
|
|
// DialogBox Windows API
|
||
|
|
// MakeProcInstance Windows API
|
||
|
|
// FreeProcInstance Windows API
|
||
|
|
// SendMessage Windows API
|
||
|
|
// DefWindowProc Windows API
|
||
|
|
// CSimpleDoc::InsertObject DOC.CPP
|
||
|
|
//
|
||
|
|
// Comments:
|
||
|
|
//
|
||
|
|
//********************************************************************
|
||
|
|
|
||
|
|
long CSimpleApp::lCommandHandler (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
|
||
|
|
{
|
||
|
|
RECT rect;
|
||
|
|
|
||
|
|
// 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:
|
||
|
|
{
|
||
|
|
FARPROC lpProcAbout = MakeProcInstance((FARPROC)About, m_hInst);
|
||
|
|
|
||
|
|
DialogBox(m_hInst, // current instance
|
||
|
|
"AboutBox", // resource to use
|
||
|
|
m_hAppWnd, // parent handle
|
||
|
|
lpProcAbout); // About() instance address
|
||
|
|
|
||
|
|
FreeProcInstance(lpProcAbout);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// bring up the InsertObject Dialog
|
||
|
|
case IDM_INSERTOBJECT:
|
||
|
|
m_lpDoc->InsertObject();
|
||
|
|
break;
|
||
|
|
|
||
|
|
// Copy the object to the Clipboard
|
||
|
|
case IDM_COPY:
|
||
|
|
m_lpDoc->CopyObjectToClip();
|
||
|
|
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;
|
||
|
|
|
||
|
|
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
|
||
|
|
//
|
||
|
|
// Comments:
|
||
|
|
//
|
||
|
|
//********************************************************************
|
||
|
|
|
||
|
|
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
|
||
|
|
//
|
||
|
|
// Comments:
|
||
|
|
//
|
||
|
|
//********************************************************************
|
||
|
|
|
||
|
|
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::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
|
||
|
|
//
|
||
|
|
// Comments:
|
||
|
|
//
|
||
|
|
//********************************************************************
|
||
|
|
|
||
|
|
BOOL CSimpleApp::HandleAccelerators(LPMSG lpMsg)
|
||
|
|
{
|
||
|
|
BOOL retval = FALSE;
|
||
|
|
|
||
|
|
// we do not have any accelerators
|
||
|
|
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
//**********************************************************************
|
||
|
|
//
|
||
|
|
// 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);
|
||
|
|
|
||
|
|
}
|