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C++ CPropVariant::Clear方法代码示例

本文整理汇总了C++中nwindows::ncom::CPropVariant::Clear方法的典型用法代码示例。如果您正苦于以下问题：C++ CPropVariant::Clear方法的具体用法？C++ CPropVariant::Clear怎么用？C++ CPropVariant::Clear使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类nwindows::ncom::CPropVariant的用法示例。


在下文中一共展示了CPropVariant::Clear方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: LoadExternalCodecs

HRESULT LoadExternalCodecs(ICompressCodecsInfo *codecsInfo, CObjectVector<CCodecInfoEx> &externalCodecs)
{
  UInt32 num;
  RINOK(codecsInfo->GetNumberOfMethods(&num));
  for (UInt32 i = 0; i < num; i++)
  {
    CCodecInfoEx info;
    NWindows::NCOM::CPropVariant prop;
    RINOK(codecsInfo->GetProperty(i, NMethodPropID::kID, &prop));
    // if (prop.vt != VT_BSTR)
    // info.Id.IDSize = (Byte)SysStringByteLen(prop.bstrVal);
    // memmove(info.Id.ID, prop.bstrVal, info.Id.IDSize);
    if (prop.vt != VT_UI8)
    {
      continue; // old Interface
      // return E_INVALIDARG;
    }
    info.Id = prop.uhVal.QuadPart;
    prop.Clear();
    
    RINOK(codecsInfo->GetProperty(i, NMethodPropID::kName, &prop));
    if (prop.vt == VT_BSTR)
      info.Name = prop.bstrVal;
    else if (prop.vt != VT_EMPTY)
      return E_INVALIDARG;;
    
    RINOK(ReadNumberOfStreams(codecsInfo, i, NMethodPropID::kInStreams, info.NumInStreams));
    RINOK(ReadNumberOfStreams(codecsInfo, i, NMethodPropID::kOutStreams, info.NumOutStreams));
    RINOK(ReadIsAssignedProp(codecsInfo, i, NMethodPropID::kEncoderIsAssigned, info.EncoderIsAssigned));
    RINOK(ReadIsAssignedProp(codecsInfo, i, NMethodPropID::kDecoderIsAssigned, info.DecoderIsAssigned));
    
    externalCodecs.Add(info);
  }
  return S_OK;
}
开发者ID:4ft35t，项目名称:firmware-mod-kit，代码行数:35，代码来源:CreateCoder.cpp

示例2: ReadArchiverInfoList

void ReadArchiverInfoList(CObjectVector<CArchiverInfo> &archivers)
{
  archivers.Clear();
  
  #ifdef EXCLUDE_COM
  
  #ifdef FORMAT_7Z
  {
    CArchiverInfo item;
    item.UpdateEnabled = true;
    item.Name = L"7z";
    item.Extensions.Add(CArchiverExtInfo(L"7z"));
    #ifndef _SFX
    const unsigned char kSig[] = {'7' , 'z', 0xBC, 0xAF, 0x27, 0x1C};
    SetBuffer(item.StartSignature, kSig, 6);
    #endif
    archivers.Add(item);
  }
  #endif

  #ifdef FORMAT_BZIP2
  {
    CArchiverInfo item;
    item.UpdateEnabled = true;
    item.KeepName = true;
    item.Name = L"BZip2";
    item.Extensions.Add(CArchiverExtInfo(L"bz2"));
    item.Extensions.Add(CArchiverExtInfo(L"tbz2", L".tar"));
    #ifndef _SFX
    const unsigned char sig[] = {'B' , 'Z', 'h' };
    SetBuffer(item.StartSignature, sig, 3);
    #endif
    archivers.Add(item);
  }
  #endif

  #ifdef FORMAT_GZIP
  {
    CArchiverInfo item;
    item.UpdateEnabled = true;
    item.Name = L"GZip";
    item.Extensions.Add(CArchiverExtInfo(L"gz"));
    item.Extensions.Add(CArchiverExtInfo(L"tgz", L".tar"));
    #ifndef _SFX
    const unsigned char sig[] = { 0x1F, 0x8B };
    SetBuffer(item.StartSignature, sig, 2);
    #endif
    archivers.Add(item);
  }
  #endif

  #ifdef FORMAT_SPLIT
  {
    CArchiverInfo item;
    item.UpdateEnabled = false;
    item.KeepName = true;
    item.Name = L"Split";
    item.Extensions.Add(CArchiverExtInfo(L"001"));
    archivers.Add(item);
  }
  #endif

  #ifdef FORMAT_TAR
  {
    CArchiverInfo item;
    item.UpdateEnabled = true;
    item.Name = L"Tar";
    item.Extensions.Add(CArchiverExtInfo(L"tar"));
    archivers.Add(item);
  }
  #endif

  #ifdef FORMAT_ZIP
  {
    CArchiverInfo item;
    item.UpdateEnabled = true;
    item.Name = L"Zip";
    item.Extensions.Add(CArchiverExtInfo(L"zip"));
    #ifndef _SFX
    const unsigned char sig[] = { 0x50, 0x4B, 0x03, 0x04 };
    SetBuffer(item.StartSignature, sig, 4);
    #endif
    archivers.Add(item);
  }
  #endif

  #ifdef FORMAT_CPIO
  {
    CArchiverInfo item;
    item.Name = L"Cpio";
    item.Extensions.Add(CArchiverExtInfo(L"cpio"));
    archivers.Add(item);
  }
  #endif

  #ifdef FORMAT_RPM
  {
    CArchiverInfo item;
    item.Name = L"Rpm";
    item.Extensions.Add(CArchiverExtInfo(L"rpm", L".cpio.gz"));
//.........这里部分代码省略.........
开发者ID:Akin-Net，项目名称:mozilla-central，代码行数:101，代码来源:ArchiverInfo.cpp

示例3: Load

static void Load(const CSysString &folderPrefix)
{
  NFile::NFind::CEnumerator enumerator(folderPrefix + CSysString(TEXT("*")));
  NFile::NFind::CFileInfo fileInfo;
  while (enumerator.Next(fileInfo))
  {
    if (fileInfo.IsDirectory())
      continue;
    CSysString filePath = folderPrefix + fileInfo.Name;
    {
      NDLL::CLibrary library;
      if (!library.LoadEx(filePath, LOAD_LIBRARY_AS_DATAFILE))
        continue;
    }
    NDLL::CLibrary library;
    if (!library.Load(filePath))
      continue;
    GetMethodPropertyFunc getMethodProperty = (GetMethodPropertyFunc)
        library.GetProcAddress("GetMethodProperty");
    if (getMethodProperty == NULL)
      continue;

    UInt32 numMethods = 1;
    GetNumberOfMethodsFunc getNumberOfMethodsFunc = (GetNumberOfMethodsFunc)
        library.GetProcAddress("GetNumberOfMethods");
    if (getNumberOfMethodsFunc != NULL)
      if (getNumberOfMethodsFunc(&numMethods) != S_OK)
        continue;

    for(UInt32 i = 0; i < numMethods; i++)
    {
      CMethodInfo2 info;
      info.FilePath = filePath;
      
      NWindows::NCOM::CPropVariant propVariant;
      if (getMethodProperty(i, NMethodPropID::kID, &propVariant) != S_OK)
        continue;
      if (propVariant.vt != VT_BSTR)
        continue;
      info.MethodID.IDSize = SysStringByteLen(propVariant.bstrVal);
      memmove(info.MethodID.ID, propVariant.bstrVal, info.MethodID.IDSize);
      propVariant.Clear();
      
      if (getMethodProperty(i, NMethodPropID::kName, &propVariant) != S_OK)
        continue;
      if (propVariant.vt == VT_EMPTY)
      {
      }
      else if (propVariant.vt == VT_BSTR)
        info.Name = propVariant.bstrVal;
      else
        continue;
      propVariant.Clear();
      
      if (getMethodProperty (i, NMethodPropID::kEncoder, &propVariant) != S_OK)
        continue;
      if (propVariant.vt == VT_EMPTY)
        info.EncoderIsAssigned = false;
      else if (propVariant.vt == VT_BSTR)
      {
        info.EncoderIsAssigned = true;
        info.Encoder = *(const GUID *)propVariant.bstrVal;
      }
      else
        continue;
      propVariant.Clear();
      
      if (getMethodProperty (i, NMethodPropID::kDecoder, &propVariant) != S_OK)
        continue;
      if (propVariant.vt == VT_EMPTY)
        info.DecoderIsAssigned = false;
      else if (propVariant.vt == VT_BSTR)
      {
        info.DecoderIsAssigned = true;
        info.Decoder = *(const GUID *)propVariant.bstrVal;
      }
      else
        continue;
      propVariant.Clear();
      
      if (getMethodProperty (i, NMethodPropID::kInStreams, &propVariant) != S_OK)
        continue;
      if (propVariant.vt == VT_EMPTY)
        info.NumInStreams = 1;
      else if (propVariant.vt == VT_UI4)
        info.NumInStreams = propVariant.ulVal;
      else
        continue;
      propVariant.Clear();
      
      if (getMethodProperty (i, NMethodPropID::kOutStreams, &propVariant) != S_OK)
        continue;
      if (propVariant.vt == VT_EMPTY)
        info.NumOutStreams = 1;
      else if (propVariant.vt == VT_UI4)
        info.NumOutStreams = propVariant.ulVal;
      else
        continue;
      propVariant.Clear();
      
//.........这里部分代码省略.........
开发者ID:Type-of-Tool，项目名称:ExMail，代码行数:101，代码来源:7zMethods.cpp

示例4: Init

bool CArchiveInterface::Init()
{
	QMutexLocker Locker(&m_Mutex);

	if(m_Operational)
		return true;

#ifdef __APPLE__
	m_7z.setFileName(QCoreApplication::applicationDirPath() + "/7z.so");
#endif

	LogLine(LOG_INFO | LOG_DEBUG, QObject::tr("7z: Loading Library..."));
	if(!m_7z.load())
	{
		LogLine(LOG_ERROR | LOG_DEBUG, QObject::tr("7z: failed to load!"));
		return false;
	}

	// Load Available Coders
	/*GetMethodPropertyFunc getMethodPropertyFunc = (GetMethodPropertyFunc)m_7z.resolve("GetMethodProperty");
	GetNumberOfMethodsFunc getNumberOfMethodsFunc = (GetNumberOfMethodsFunc)m_7z.resolve("GetNumberOfMethods");
	if(!getNumberOfMethodsFunc || !getMethodPropertyFunc)
		return false;

	UInt32 numMethods = 1;
	if(getNumberOfMethodsFunc(&numMethods) != S_OK)
		return false;

	for(UInt32 i = 0; i < numMethods; i++)
	{
		CCdrInfo info;
		info.Index = i;
		Q_ASSERT(GetCoderClass(getMethodPropertyFunc, i, NMethodPropID::kEncoder, info.Encoder, info.EncoderIsAssigned) == S_OK);
		Q_ASSERT(GetCoderClass(getMethodPropertyFunc, i, NMethodPropID::kDecoder, info.Decoder, info.DecoderIsAssigned) == S_OK);
		m_Coders.append(info);
	}*/

	// Load Supported Formats
	GetHandlerPropertyFunc getProp = NULL;
	GetHandlerPropertyFunc2 getProp2 = (GetHandlerPropertyFunc2)m_7z.resolve("GetHandlerProperty2");
	if (getProp2 == NULL)
	{
		getProp = (GetHandlerPropertyFunc)m_7z.resolve("GetHandlerProperty");
		if(!getProp)
		{
			LogLine(LOG_ERROR | LOG_DEBUG, QObject::tr("7z: Failed to resolve GetHandlerProperty!"));
			return false;
		}
	}

	UInt32 numFormats = 1;
	GetNumberOfFormatsFunc getNumberOfFormats = (GetNumberOfFormatsFunc)m_7z.resolve("GetNumberOfFormats");
	if (getNumberOfFormats != NULL)
	{
		if(getNumberOfFormats(&numFormats) != S_OK)
		{
			LogLine(LOG_ERROR | LOG_DEBUG, QObject::tr("7z: Failed to enumerate Formats!"));
			return false;
		}
	}
	if (getProp2 == NULL)
		numFormats = 1;

	for(UInt32 i = 0; i < numFormats; i++)
	{
		CArcInfoEx info;

		if(ReadStringProp(getProp, getProp2, i, NArchive::kName, info.Name) != S_OK)
		{
			LogLine(LOG_ERROR | LOG_DEBUG, QObject::tr("7z: Failed to get Formats %1 Name!").arg(i));
			return false;
		}

		NWindows::NCOM::CPropVariant prop;
		if (ReadProp(getProp, getProp2, i, NArchive::kClassID, prop) != S_OK)
			continue;
		if (prop.vt != VT_BSTR)
			continue;
		info.ClassID = *(const GUID *)prop.bstrVal;
		prop.Clear();

		QString ext, addExt;
		if(ReadStringProp(getProp, getProp2, i, NArchive::kExtension, ext) != S_OK)
		{
			LogLine(LOG_ERROR | LOG_DEBUG, QObject::tr("7z: Failed to get Formats %1 Property kExtension!").arg(i));
			return false;
		}
		if(ReadStringProp(getProp, getProp2, i, NArchive::kAddExtension, addExt) != S_OK)
		{
			LogLine(LOG_ERROR | LOG_DEBUG, QObject::tr("7z: Failed to get Formats %1 Property kAddExtension!").arg(i));
			return false;
		}
		info.AddExts(ext, addExt);

		//TRACE(L"Archive Format %S supported %S, %S", QS2CS(info.Name), QS2CS(ext), QS2CS(addExt));

		ReadBoolProp(getProp, getProp2, i, NArchive::kUpdate, info.UpdateEnabled);
		if (info.UpdateEnabled)
			ReadBoolProp(getProp, getProp2, i, NArchive::kKeepName, info.KeepName);

//.........这里部分代码省略.........
开发者ID:0vermind，项目名称:NeoLoader，代码行数:101，代码来源:ArchiveInterface.cpp


注：本文中的nwindows::ncom::CPropVariant::Clear方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。