82 lines
1.4 KiB
C++
82 lines
1.4 KiB
C++
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#include <atlinc.h>
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// just need this one for TYPE_ defines
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#include <itpropl.h>
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#include "prop.h"
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#include <mvopsys.h>
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#include <_mvutil.h>
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// Inititialization of static members
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int CIntProperty::m_cRefCount = 0;
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LPVOID CIntProperty::m_pMemPool = NULL;
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CIntProperty::CIntProperty()
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{
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// ref count is 0 so allocate pool
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if (0 == m_cRefCount)
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{
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m_pMemPool = BlockInitiate((DWORD)65500, 0, 0, 0);
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}
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m_cRefCount++;
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}
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CIntProperty::~CIntProperty()
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{
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m_cRefCount--;
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// ref count has gone to 0, so deallocate pool
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if (0 == m_cRefCount)
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{
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BlockFree(m_pMemPool);
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m_pMemPool = NULL;
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}
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}
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STDMETHODIMP CIntProperty::SetProp(LPCWSTR lpszwString)
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{
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// remember a Unicode char is 2 bytes... We may not really need to
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// store this info.
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m_dwType = TYPE_STRING;
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if (lpszwString)
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{
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m_cbSize = (DWORD) (WSTRLEN(lpszwString) + 1) * sizeof(WCHAR);
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// copy data into pool
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if (NULL == (m_lpszwString = (LPWSTR) BlockCopy(m_pMemPool, (LPBYTE) lpszwString, m_cbSize, 0) ))
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return E_OUTOFMEMORY;
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}
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else
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{
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m_lpszwString = NULL;
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m_cbSize = 0;
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}
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return S_OK;
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}
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STDMETHODIMP CIntProperty::SetProp(LPVOID lpvData, DWORD cbBufSize)
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{
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m_cbSize = cbBufSize;
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m_dwType = TYPE_POINTER;
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// copy data into pool
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if (NULL == (m_lpvData = BlockCopy(m_pMemPool, (LPBYTE)lpvData, m_cbSize, 0) ))
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return E_OUTOFMEMORY;
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return S_OK;
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}
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