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#include "stdafx.h"
#include <iostream>
#define _WIN32_DCOM
using namespace std ;
#include <windows.h>
#include <comdef.h>
#include <wbemcli.h>
#pragma comment(lib, "Wbemuuid")
int main(int argc,char**argv)
{
IWbemLocator *pLocator = NULL;
IWbemServices *pNamespace = 0;
IWbemClassObject * pClass = NULL;
// IWbemClassObject * pOutInst = NULL;
IWbemClassObject * pInClass = NULL;
IWbemClassObject * pInInst = NULL;
IWbemCallResult *pCallRes = NULL;
IWbemClassObject *pObj = NULL;
BSTR path = SysAllocString(L"\\\\.\\ROOT\\CIMV2");
BSTR ClassPath = SysAllocString(L"Win32_NTEventlogFile");
BSTR MethodName = SysAllocString(L"ClearEventLog");
BSTR ArgName = SysAllocString(L"ArchiveFileName");
// Initialize COM and connect to WMI.
HRESULT hr = CoInitialize(0);
hr = CoCreateInstance(CLSID_WbemLocator,0,CLSCTX_INPROC_SERVER,IID_IWbemLocator,(LPVOID *) &pLocator);
if SUCCEEDED(hr)
{
printf("WbemLocator OK!\n");
}
hr = pLocator->ConnectServer(path, NULL, NULL, NULL, 0, NULL, NULL, &pNamespace);
if SUCCEEDED(hr)
{
printf("ConnectServer OK!\n");
}
else
{
IErrorInfo *pIErrorInfo;
GetErrorInfo(0,&pIErrorInfo);
BSTR desc;
pIErrorInfo->GetDescription(&desc);
}
// Get the class object for the method definition.
hr = pNamespace->GetObject(ClassPath, 0, NULL, &pClass, NULL);
if SUCCEEDED(hr)
{
printf("GetObject OK!\n");
}
else
{
IErrorInfo *pIErrorInfo;
GetErrorInfo(0,&pIErrorInfo);
BSTR desc;
pIErrorInfo->GetDescription(&desc);
}
// Get the input-argument class object and create an instance.
hr = pClass->GetMethod(MethodName, 0, &pInClass, NULL);
if SUCCEEDED(hr)
{
printf("GetMethod OK!\n");
}
else
{
IErrorInfo *pIErrorInfo;
GetErrorInfo(0,&pIErrorInfo);
BSTR desc;
pIErrorInfo->GetDescription(&desc);
}
hr = pInClass->SpawnInstance(0, &pInInst);
if SUCCEEDED(hr)
{
printf("SpawnInstance OK!\n");
}
else
{
IErrorInfo *pIErrorInfo;
GetErrorInfo(0,&pIErrorInfo);
BSTR desc;
pIErrorInfo->GetDescription(&desc);
}
// Set the property.
// BSTR Filename=L"C:\WINDOWS\system32\config\OSession.evt";
VARIANT var;
var.vt = VT_BSTR;
//var.bstrVal= SysAllocString(L"C:\\WINNT\\system32\\config\\AppEvent.Evt");
var.bstrVal= SysAllocString(L"C:\\WINNT\\system32\\config\\SysEvent.Evt");
//var.bstrVal= SysAllocString(L"C:\\WINNT\\system32\\config\\SecEvent.Evt");
hr = pInInst->Put(ArgName, 0, &var, 0);
if SUCCEEDED(hr)
{
printf("Put OK!\n");
}
else
{
IErrorInfo *pIErrorInfo;
GetErrorInfo(0,&pIErrorInfo);
BSTR desc;
pIErrorInfo->GetDescription(&desc);
}
VariantClear(&var);
// Call the method.
// hr = pNamespace->ExecMethod(ClassPath, MethodName, 0, NULL, pInInst, &pOutInst, NULL);
// hr = pNamespace->ExecMethod(ClassPath,MethodName,NULL,NULL,pInInst,NULL,&pCallRes);
hr = pNamespace->ExecMethod(ClassPath,MethodName,WBEM_FLAG_RETURN_IMMEDIATELY,NULL,pInInst,NULL,&pCallRes);
if (WBEM_S_NO_ERROR==hr)
{
printf("ExecMethod OK!\n");
}
else
{
IErrorInfo *pIErrorInfo;
GetErrorInfo(0,&pIErrorInfo);
BSTR desc;
pIErrorInfo->GetDescription(&desc);
}
while (true)
{
LONG lStatus = 0;
HRESULT hRes = pCallRes->GetCallStatus(0, &lStatus);
if ((hRes == WBEM_S_NO_ERROR))
break;
if ((hRes == WBEM_S_TIMEDOUT))
continue;
}
hr = pCallRes->GetResultObject(WBEM_INFINITE, &pObj);
/* if (hr)
{
pCallRes->Release();
return 1;
}
*/
/* VARIANT varReturnValue;
VariantInit(&varReturnValue);
hr = pObj->Get(_bstr_t(L"ReturnValue"),0,&varReturnValue,NULL,0);
// hr = pObj->Get(L"ReturnValue",0,&varReturnValue,NULL,0);
cout < < varReturnValue.lVal < < endl;
*/
IErrorInfo *pIErrorInfo;
GetErrorInfo(0,&pIErrorInfo);
BSTR desc;
pIErrorInfo->GetDescription(&desc);
// property "ReturnValue" and the returned string is in the
// property "sOutArg".
//hr = pOutInst->GetObjectText(0, &Text);
//printf("\nThe object text is:\n%S", Text);
// Free up resources.
SysFreeString(path);
SysFreeString(ClassPath);
SysFreeString(MethodName);
SysFreeString(ArgName);
pCallRes->Release();
pClass->Release();
pInInst->Release();
pInClass->Release();
//pOutInst->Release();
pLocator->Release();
pNamespace->Release();
CoUninitialize();
printf("Terminating normally\n");
return 0;
// Program successfully completed.
} |
