Do not intermix BSTR and wchar_t as they are not compatible

See https://learn.microsoft.com/en-us/previous-versions/windows/desktop/automat/bstr

Author: dimhotepus

sdk-api-src/content/wbemcli/nf-wbemcli-iwbemlocator-connectserver.md

@@ -190,8 +190,10 @@ int _tmain(int argc, _TCHAR* argv[])
     // Connect to WMI through the IWbemLocator::ConnectServer method 
     // Connect to the local ROOT\CIMV2 namespace 
     // and obtain pointer pSvc to make IWbemServices calls. 
-    IWbemServices *pSvc = NULL; 
-    hres = pLoc->ConnectServer(L"ROOT\\CimV2", NULL,NULL, 0, NULL, 0,  0,  &pSvc); 
+    IWbemServices *pSvc = NULL;
+    BSTR namespace = SysAllocString(L"ROOT\\CimV2");
+    hres = pLoc->ConnectServer(namespace, NULL, NULL, 0, NULL, 0, 0, &pSvc);
+    SysFreeString(namespace);
 
     if (FAILED(hres)) 
     { 
@@ -222,4 +224,4 @@ int _tmain(int argc, _TCHAR* argv[])
 
 
 
-<a href="/windows/win32/api/wbemcli/ne-wbemcli-wbem_connect_options">WBEM_CONNECT_OPTIONS</a>
+<a href="/windows/win32/api/wbemcli/ne-wbemcli-wbem_connect_options">WBEM_CONNECT_OPTIONS</a>