How To Use MKCOL in WebDAV to Create a New Folder

include<stdio.h>

//TODO: Change the path here if your Msxml.dll file is in a different location.

#import "c:\winnt\system32\msxml.dll"

//To  use MSXML 6.0 import the dll msxml4.dll instead of msxml.dll as follows 
// #import "c:\winnt\system32\msxml6.dll"
// using namespace MSXML2;

using namespace MSXML;

int main(int argc, char* argv[])
{
   CoInitialize(NULL);
   try
   {
   //TODO: Change the line below to reflect your server.
   bstr_t yourServerName = "myserver1";

   bstr_t sUrl = "http://" + yourServerName + "/public/Testfolder";
   bstr_t sMethod = "MKCOL";
         
   //TODO: Change the 2 lines below to reflect your user name and password.
   _variant_t vUser = L"myserver1\\User1";
   _variant_t vPassword = L"password";
         
   MSXML::IXMLHttpRequest* pXMLHttpReq=NULL;     
   HRESULT hr = ::CoCreateInstance(__uuidof(XMLHTTPRequest), 
               NULL, 
               CLSCTX_INPROC_SERVER, 
               __uuidof(IXMLHttpRequest), 
               (LPVOID*)&pXMLHttpReq);

   // To use MSXML 6.0 use the following Decleration and creation of pXMLHttpReq
   // IXMLHTTPRequestPtr pXMLHttpReq= NULL;
   // HRESULT hr=pXMLHttpReq.CreateInstance("Msxml2.XMLHTTP.6.0");

   if (S_OK != hr)
   {
       printf("XML Http Request pointer creation failed\n");
       return 0;
   }

   // Call open function.
   _variant_t vAsync = (bool)FALSE;
   pXMLHttpReq->open(sMethod, 
         sUrl, 
         vAsync, 
         vUser, 
         vPassword);

   pXMLHttpReq->setRequestHeader((bstr_t)"Content-Type",
      (bstr_t)"text/xml");

   bstr_t sReq;
   sReq =  "<?xml version='1.0'?>";
   sReq = sReq + 
      "<a:propertyupdate xmlns:a=" +
      "'DAV:' xmlns:ex='http://schemas.microsoft.com/exchange/'>";
   sReq = sReq + "<a:set><a:prop>";
   sReq = sReq + "<ex:outlookfolderclass>" +
      "IPF.Appointment" + //TODO: Change to the desired folder class
      "</ex:outlookfolderclass>";
   sReq = sReq + "</a:prop></a:set></a:propertyupdate>";
 

   // Send the request to set the search criteria.
   pXMLHttpReq->send(sReq);

   // OK, get response.     
   long lStatus;
   pXMLHttpReq->get_status(&lStatus);

   printf("\n~~~~~~~~\n%d\n", lStatus);
   BSTR bstrResp;
   pXMLHttpReq->get_statusText(&bstrResp);
   printf("\n~~~~~~~~\n%s\n", (char*)(bstr_t)bstrResp);

   _bstr_t bstrAllHeaders;
   bstrAllHeaders = pXMLHttpReq->getAllResponseHeaders();
   printf("\n~~~~~~~~\n%s\n", (char*)bstrAllHeaders);

   BSTR bstrResponseText;
   pXMLHttpReq->get_responseText(&bstrResponseText);
   printf("\n~~~~~~~~\n%s\n", (char*)(bstr_t)bstrResponseText);   
   }
   catch(_com_error &e)
   {
      printf("Error\a\a\n\tCode = %08lx\n"
         "\tCode meaning = %s\tSource = %s\n\tDescription = %s\n",
      e.Error(), 
      e.ErrorMessage(), 
      (char*)e.Source(), 
      (char*)e.Description() );
   }

   CoUninitialize(); 
   
   return 0;
}