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325 lines
9.3 KiB
325 lines
9.3 KiB
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//==============================================================;
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//
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// This source code is only intended as a supplement to existing Microsoft documentation.
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//
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//
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//
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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// PURPOSE.
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//
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// Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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//
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//
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//
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//==============================================================;
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#include "tbarExt.h"
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#include "globals.h"
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#include "resource.h"
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#include <commctrl.h> // Needed for button styles...
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#include <crtdbg.h>
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#include "resource.h"
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#include <stdio.h>
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#define ARRAYLEN(x) (sizeof(x) / sizeof((x)[0]))
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// we need to do this to get around MMC.IDL - it explicitly defines
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// the clipboard formats as WCHAR types...
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#define _T_CCF_DISPLAY_NAME _T("CCF_DISPLAY_NAME")
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#define _T_CCF_NODETYPE _T("CCF_NODETYPE")
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#define _T_CCF_SNAPIN_CLASSID _T("CCF_SNAPIN_CLASSID")
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// These are the clipboard formats that we must supply at a minimum.
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// mmc.h actually defined these. We can make up our own to use for
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// other reasons. We don't need any others at this time.
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UINT CToolBarExtension::s_cfDisplayName = RegisterClipboardFormat(_T_CCF_DISPLAY_NAME);
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UINT CToolBarExtension::s_cfNodeType = RegisterClipboardFormat(_T_CCF_NODETYPE);
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UINT CToolBarExtension::s_cfSnapInCLSID = RegisterClipboardFormat(_T_CCF_SNAPIN_CLASSID);
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CToolBarExtension::CToolBarExtension() : m_cref(0), m_ipControlBar(NULL),
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m_ipToolbar(NULL)
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{
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OBJECT_CREATED
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}
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CToolBarExtension::~CToolBarExtension()
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{
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OBJECT_DESTROYED
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}
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///////////////////////
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// IUnknown implementation
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///////////////////////
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STDMETHODIMP CToolBarExtension::QueryInterface(REFIID riid, LPVOID *ppv)
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{
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if (!ppv)
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return E_FAIL;
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*ppv = NULL;
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if (IsEqualIID(riid, IID_IUnknown))
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*ppv = static_cast<IExtendControlbar *>(this);
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else if (IsEqualIID(riid, IID_IExtendControlbar))
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*ppv = static_cast<IExtendControlbar *>(this);
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if (*ppv)
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{
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reinterpret_cast<IUnknown *>(*ppv)->AddRef();
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) CToolBarExtension::AddRef()
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{
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return InterlockedIncrement((LONG *)&m_cref);
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}
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STDMETHODIMP_(ULONG) CToolBarExtension::Release()
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{
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if (InterlockedDecrement((LONG *)&m_cref) == 0)
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{
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// we need to decrement our object count in the DLL
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delete this;
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return 0;
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}
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return m_cref;
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}
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HRESULT CToolBarExtension::ExtractData( IDataObject* piDataObject,
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CLIPFORMAT cfClipFormat,
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BYTE* pbData,
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DWORD cbData )
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{
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HRESULT hr = S_OK;
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FORMATETC formatetc = {cfClipFormat, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
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STGMEDIUM stgmedium = {TYMED_HGLOBAL, NULL};
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stgmedium.hGlobal = ::GlobalAlloc(GPTR, cbData);
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do // false loop
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{
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if (NULL == stgmedium.hGlobal)
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{
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hr = E_OUTOFMEMORY;
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break;
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}
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hr = piDataObject->GetDataHere( &formatetc, &stgmedium );
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if ( FAILED(hr) )
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{
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break;
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}
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BYTE* pbNewData = reinterpret_cast<BYTE*>(stgmedium.hGlobal);
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if (NULL == pbNewData)
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{
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hr = E_UNEXPECTED;
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break;
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}
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::memcpy( pbData, pbNewData, cbData );
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} while (FALSE); // false loop
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if (NULL != stgmedium.hGlobal)
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{
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::GlobalFree(stgmedium.hGlobal);
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}
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return hr;
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} // ExtractData()
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HRESULT CToolBarExtension::ExtractString( IDataObject *piDataObject,
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CLIPFORMAT cfClipFormat,
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WCHAR *pstr,
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DWORD cchMaxLength)
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{
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return ExtractData( piDataObject, cfClipFormat, (PBYTE)pstr, cchMaxLength );
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}
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HRESULT CToolBarExtension::ExtractSnapInCLSID( IDataObject* piDataObject, CLSID* pclsidSnapin )
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{
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return ExtractData( piDataObject, s_cfSnapInCLSID, (PBYTE)pclsidSnapin, sizeof(CLSID) );
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}
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HRESULT CToolBarExtension::ExtractObjectTypeGUID( IDataObject* piDataObject, GUID* pguidObjectType )
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{
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return ExtractData( piDataObject, s_cfNodeType, (PBYTE)pguidObjectType, sizeof(GUID) );
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}
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///////////////////////////////
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// Interface IExtendControlBar
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///////////////////////////////
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static MMCBUTTON SnapinButtons1[] =
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{
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{ 0, ID_BUTTONSTART, TBSTATE_ENABLED, TBSTYLE_GROUP, L"Extension - Start Vehicle", L"Extension - Start Vehicle" },
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{ 1, ID_BUTTONPAUSE, TBSTATE_ENABLED, TBSTYLE_GROUP, L"Extension - Pause Vehicle", L"Extension - Pause Vehicle"},
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{ 2, ID_BUTTONSTOP, TBSTATE_ENABLED, TBSTYLE_GROUP, L"Extension - Stop Vehicle", L"Extension - Stop Vehicle" },
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};
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HRESULT CToolBarExtension::SetControlbar(
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/* [in] */ LPCONTROLBAR pControlbar)
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{
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HRESULT hr = S_OK;
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//
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// Clean up
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//
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// if we've got a cached toolbar, release it
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if (m_ipToolbar) {
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m_ipToolbar->Release();
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m_ipToolbar = NULL;
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}
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// if we've got a cached control bar, release it
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if (m_ipControlBar) {
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m_ipControlBar->Release();
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m_ipControlBar = NULL;
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}
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//
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// Install new pieces if necessary
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//
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// if a new one came in, cache and AddRef
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if (pControlbar) {
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m_ipControlBar = pControlbar;
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m_ipControlBar->AddRef();
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hr = m_ipControlBar->Create(TOOLBAR, // type of control to be created
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dynamic_cast<IExtendControlbar *>(this),
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reinterpret_cast<IUnknown **>(&m_ipToolbar));
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_ASSERT(SUCCEEDED(hr));
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// add the bitmap to the toolbar
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HBITMAP hbmp = LoadBitmap(g_hinst, MAKEINTRESOURCE(IDR_TOOLBAR1));
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hr = m_ipToolbar->AddBitmap(3, hbmp, 16, 16, RGB(0, 128, 128)); // NOTE, hardcoded value 3
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_ASSERT(SUCCEEDED(hr));
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// Add the buttons to the toolbar
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hr = m_ipToolbar->AddButtons(ARRAYLEN(SnapinButtons1), SnapinButtons1);
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_ASSERT(SUCCEEDED(hr));
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}
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return hr;
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}
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HRESULT CToolBarExtension::ControlbarNotify(
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/* [in] */ MMC_NOTIFY_TYPE event,
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/* [in] */ LPARAM arg,
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/* [in] */ LPARAM param)
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{
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_TCHAR pszMsg[255];
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BYTE *pbVehicleStatus = NULL;
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HRESULT hr = S_OK;
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if (event == MMCN_SELECT) {
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BOOL bScope = (BOOL) LOWORD(arg);
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BOOL bSelect = (BOOL) HIWORD(arg);
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if (bSelect) {
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// Always make sure the toolbar is attached
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hr = m_ipControlBar->Attach(TOOLBAR, m_ipToolbar);
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// Set button states
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//fake value to set toolbar button states
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iStatus = RUNNING;
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SetToolbarButtons(iStatus);
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} else {
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// Always make sure the toolbar is detached
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hr = m_ipControlBar->Detach(m_ipToolbar);
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}
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} else if (event == MMCN_BTN_CLICK) {
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//the arg parameter contains the data object from the primary
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//snap-in. Use it to get the display name of the currently selected item
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WCHAR pszName[255];
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HRESULT hr = ExtractString(reinterpret_cast<IDataObject *>(arg), s_cfDisplayName, pszName, sizeof(pszName));
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MAKE_TSTRPTR_FROMWIDE(ptrname, pszName);
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switch ((int)param)
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{
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case ID_BUTTONSTART:
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iStatus = RUNNING;
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break;
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case ID_BUTTONPAUSE:
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iStatus = PAUSED;
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break;
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case ID_BUTTONSTOP:
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iStatus = STOPPED;
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break;
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}
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_stprintf(pszMsg, _T("%s selected and extension button %s pressed"), ptrname,
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(long)param == ID_BUTTONSTART ? _T("1") :
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(long)param == ID_BUTTONPAUSE ? _T("2") :
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(long)param == ID_BUTTONSTOP ? _T("3") : _T("!!!unknown command!!!"));
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::MessageBox(NULL, pszMsg, _T("Messagebox from Toolbar Extension"), MB_OK|MB_ICONEXCLAMATION);
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//Reset toolbar button states
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SetToolbarButtons(iStatus);
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}
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return hr;
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}
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HRESULT CToolBarExtension::SetToolbarButtons(STATUS iVehicleStatus)
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{
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HRESULT hr = S_OK;
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switch (iVehicleStatus)
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{
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case RUNNING:
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m_ipToolbar->SetButtonState(ID_BUTTONSTART, BUTTONPRESSED, TRUE);
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m_ipToolbar->SetButtonState(ID_BUTTONSTART, ENABLED, FALSE);
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m_ipToolbar->SetButtonState(ID_BUTTONPAUSE, BUTTONPRESSED, FALSE);
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m_ipToolbar->SetButtonState(ID_BUTTONPAUSE, ENABLED, TRUE);
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m_ipToolbar->SetButtonState(ID_BUTTONSTOP, BUTTONPRESSED, FALSE);
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m_ipToolbar->SetButtonState(ID_BUTTONSTOP, ENABLED, TRUE);
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break;
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case PAUSED:
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m_ipToolbar->SetButtonState(ID_BUTTONSTART, BUTTONPRESSED, FALSE);
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m_ipToolbar->SetButtonState(ID_BUTTONSTART, ENABLED, TRUE);
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m_ipToolbar->SetButtonState(ID_BUTTONPAUSE, BUTTONPRESSED, TRUE);
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m_ipToolbar->SetButtonState(ID_BUTTONPAUSE, ENABLED, FALSE);
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m_ipToolbar->SetButtonState(ID_BUTTONSTOP, BUTTONPRESSED, FALSE);
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m_ipToolbar->SetButtonState(ID_BUTTONSTOP, ENABLED, TRUE);
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break;
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case STOPPED:
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m_ipToolbar->SetButtonState(ID_BUTTONSTART, BUTTONPRESSED, FALSE);
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m_ipToolbar->SetButtonState(ID_BUTTONSTART, ENABLED, TRUE);
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m_ipToolbar->SetButtonState(ID_BUTTONPAUSE, BUTTONPRESSED, FALSE);
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m_ipToolbar->SetButtonState(ID_BUTTONPAUSE, ENABLED, TRUE);
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m_ipToolbar->SetButtonState(ID_BUTTONSTOP, BUTTONPRESSED, TRUE);
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m_ipToolbar->SetButtonState(ID_BUTTONSTOP, ENABLED, FALSE);
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break;
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}
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return hr;
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}
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