172 lines
3.6 KiB
C++
172 lines
3.6 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1992.
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//
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// File: cloop.cxx
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//
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// Contents: implementations for CBall
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//
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// Functions:
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// CLoop::CLoop
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// CLoop::~CLoop
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// CLoop::QueryInterface
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//
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// History: 06-Aug-92 Ricksa Created
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//
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//--------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <cloop.hxx> // class definition
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//+-------------------------------------------------------------------------
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//
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// Method: CLoop::CLoop
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//
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// Synopsis: Creates the application window
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//
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// Arguments: [pisb] - ISysBind instance
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//
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// History: 06-Aug-92 Ricksa Created
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//
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//--------------------------------------------------------------------------
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CLoop::CLoop(void)
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: _pRemoteLoop(NULL)
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{
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GlobalRefs(TRUE);
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ENLIST_TRACKING(CLoop);
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CLoop::~CLoop
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//
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// Synopsis: Cleans up object
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//
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// History: 06-Aug-92 Ricksa Created
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//
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//--------------------------------------------------------------------------
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CLoop::~CLoop(void)
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{
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if (_pRemoteLoop)
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{
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_pRemoteLoop->Release();
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}
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GlobalRefs(FALSE);
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CLoop::QueryInterface
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//
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// Synopsis: Gets called when a WM_COMMAND message received.
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//
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// Arguments: [ifid] - interface instance requested
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// [ppunk] - where to put pointer to interface instance
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//
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// Returns: S_OK or ERROR_BAD_COMMAND
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//
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// History: 06-Aug-92 Ricksa Created
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP CLoop::QueryInterface(REFIID riid, void **ppunk)
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{
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SCODE sc = E_NOINTERFACE;
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*ppunk = NULL;
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if (IsEqualIID(riid,IID_IUnknown) ||
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IsEqualIID(riid,IID_ILoop))
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{
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// Increase the reference count
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*ppunk = (void *)(ILoop *) this;
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AddRef();
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// Set to success
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sc = S_OK;
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}
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return sc;
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CLoop::Init
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//
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// Synopsis:
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//
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// Arguments:
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//
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// Returns: S_OK or ERROR_BAD_COMMAND
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//
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// History: 06-Aug-92 Ricksa Created
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP CLoop::Init(ILoop *pRemoteLoop)
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{
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_pRemoteLoop = pRemoteLoop;
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_pRemoteLoop->AddRef();
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// Format message for the screen
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Display(TEXT("Loop Init %ld\n"), pRemoteLoop);
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return S_OK;
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}
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//+-------------------------------------------------------------------------
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//
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// Function: CLoop::Uninit
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//
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// Synopsis:
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//
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// Arguments:
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//
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// Returns: S_OK
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//
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// History: 06-Aug-92 Ricksa Created
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP CLoop::Uninit(void)
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{
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// Format message for the screen
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Display(TEXT("Uninit %ld\n"), _pRemoteLoop);
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if (_pRemoteLoop)
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{
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_pRemoteLoop->Release();
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_pRemoteLoop = NULL;
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}
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return S_OK;
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}
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//+-------------------------------------------------------------------------
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//
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// Function: CLoop::Loop
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//
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// Synopsis:
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//
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// Arguments:
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//
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// Returns: S_OK
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//
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// History: 06-Aug-92 Ricksa Created
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP CLoop::Loop(ULONG ulLoopCount)
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{
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// Format message for the screen
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Display(TEXT("Loop Count = %ld\n"), ulLoopCount);
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if (--ulLoopCount == 0)
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return S_OK;
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else
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return _pRemoteLoop->Loop(ulLoopCount);
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}
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