[MS Smartphone]Make phone call using native c code

#include <phone.h>
//Link with phone.lib
BOOL MakePhoneCall(CONST TCHAR *tszPhoneNumber)
{
PHONEMAKECALLINFO pmci;
memset(&pmci,0,sizeof(PHONEMAKECALLINFO));
pmci.cbSize=sizeof(PHONEMAKECALLINFO);
pmci.dwFlags=PMCF_DEFAULT;

pmci.pszDestAddress=tszPhoneNumber;

return !PhoneMakeCall(&pmci);

}