SOL9 2.0 Class: SWbemNamedValue

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Source code

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 *
 * Copyright (c) 2009 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
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 *    derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 *
 *  SWbemNamedValue.h
 *
 *****************************************************************************/

// 2012/03/08 Updated.

#pragma once

#include <sol/wmi/SWbemBaseObject.h>


namespace SOL {

class SWbemNamedValue : public SWbemBaseObject {

public:
  SWbemNamedValue(IDispatch* pDisp=NULL)
  :SWbemBaseObject(pDisp)
  {

  }  

public:
  ISWbemNamedValue* get()
  {
    return (ISWbemNamedValue*)getIDispatch();
  }

public:
  SWbemNamedValue& operator=(ISWbemNamedValue* pDisp)
  { 
    set(pDisp);
    return *this;
  }

public:
  _variant_t getValue()
  {
    VARIANT var;
    VariantInit(&var);

    HRESULT hr = E_FAIL;
    ISWbemNamedValue* namedvalue = get();

    if (FAILED(hr = namedvalue->get_Value(&var))) {
      throw Exception(E_FAIL, "%s: %s", "E_FAIL",__FUNCTION__);
    }
    return _variant_t(var, false);
  }  

public:
  HRESULT putValue( 
            __in _variant_t varValue) 
  {
    VARIANT var = (VARIANT)varValue;
    HRESULT hr = E_FAIL;
    ISWbemNamedValue* namedvalue = get();

    if (FAILED(hr = namedvalue->put_Value(&var))) {
      throw Exception(E_FAIL, "%s: %s", "E_FAIL",__FUNCTION__);
    }
    return hr;

  }
public:
  _bstr_t getName() 
  {
    HRESULT hr = E_FAIL;
    ISWbemNamedValue* namedvalue = get();
    BSTR strName = NULL;
    if (FAILED(hr = namedvalue->get_Name(&strName))) {
      throw Exception(E_FAIL, "%s: %s", "E_FAIL",__FUNCTION__);
    }
    return _bstr_t(strName. false);
  } 

public:
  void write(Writer& writer)
  {
    writer.writeln(L"<NamedValue>");
    try {
      _bstr_t name = getName();
      _variant_t variant = getValue();
    
      COMTypeConverter converter;
      _bstr_t string;
      converter.toString(variant, string, _bstr_t("(NULL)"));

      StringT<wchar_t> wname;
      encoder.encode((const wchar_t*)name, wname); 
      writer.writeln(L"<Name>%s</Name>",
        (const wchar_t*)wname);

      StringT<wchar_t> wstring;
      encoder.encode((const wchar_t*)string, wstring);
      writer.writeln(L"<Value>%s</Value>",    
        (const wchar_t*)wstring);
    } catch (...) {

    }
    writer.writeln(L"</NamedValue>");

  }

};

}

Last modified: 5 May 2019

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