(Unicode C++) Duplicate openssl pkey -in private.pem -pubout -out pubkey.pem

How to output the public part of a private key: Demonstrates how to duplicate this OpenSSL command:

openssl pkey -in private.pem -pubout -out pubkey.pem

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#include <CkPrivateKeyW.h>
#include <CkPublicKeyW.h>

void ChilkatSample(void)
    {
    CkPrivateKeyW pkey;

    // Load the private key from an PEM file:
    bool success = pkey.LoadPemFile(L"private.pem");
    if (success != true) {
        wprintf(L"%s\n",pkey.lastErrorText());
        return;
    }

    CkPublicKeyW *pubKey = pkey.GetPublicKey();
    if (pkey.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",pkey.lastErrorText());
        return;
    }

    success = pubKey->SavePemFile(false,L"pubKey.pem");
    if (success != true) {
        wprintf(L"%s\n",pubKey->lastErrorText());
        delete pubKey;
        return;
    }

    wprintf(L"Success.\n");

    delete pubKey;
    }