Re: IHTMLLocation, CoCreateInstance: hr = 0x80040154

From:
"Jeffrey Walton" <noloader@gmail.com>
Newsgroups:
microsoft.public.vc.atl
Date:
18 Dec 2006 01:53:37 -0800
Message-ID:
<1166435617.131668.103220@n67g2000cwd.googlegroups.com>
I should mention:

MSVC6.0 EE fully patched, Windows 2000 fully patched.

I also tried removing March 2006 SDK from $PATH.

Jeff

Jeffrey Walton wrote:

Hi All,

I'm trying to use MSHTML from a Console Application as a Parser.

    hr = Location.CoCreateInstance(CLSID_HTMLLocation);

is returning 'COM Error: 0x80040154 (Win32: 340)'

If I try to get IHTMLDocument2 to initialize IHTMLLocation

    hr = Document->get_location( &Location );

'COM Error: 0x80004002 (Win32: 16386)' is returned.

Any ideas? I've duplicated on two machines.
Jeff

#define _WIN32_IE 0x0550 // IHTMLDocument2
#define _WIN32_DCOM // CoInitializeEx(...)

#import "mshtml.tlb"

#include <windows.h>
#include <atlbase.h> // CComPtr<>, CoInitializeEx, etc
#include <mshtml.h> // MSHTML Object and Interfaces
#include <assert.h>

#include <iostream>

int main(int argc, char* argv[])
{
    HRESULT hr = S_OK;

    CComPtr< MSHTML::IHTMLDocument2 > Document = NULL;
    CComPtr< MSHTML::IHTMLLocation > Location = NULL;

    ///////////////////////////////////////////////////////////////////
    // Call CoInitialize to initialize the COM library
    hr = CoInitializeEx( NULL, COINIT_MULTITHREADED );
    if( FAILED( hr ) ) { goto COMPLETE; }

    hr = Document.CoCreateInstance(CLSID_HTMLDocument);
    if( FAILED( hr ) ) { goto COMPLETE; }

    hr = Location.CoCreateInstance(CLSID_HTMLLocation);
    if( FAILED( hr ) ) { goto COMPLETE; }

    // hr = Document->get_location( &Location );
    // if( FAILED( hr ) ) { goto COMPLETE; }

    // std::wcout << L"Document URL: ";
    // std::wcout << (wchar_t*)pLocation->toString() << std::endl;

COMPLETE:

    // Smart pointers are not always very smart
    // Destroy these objects before
    // CoUninitialize() is invoked
    // CComPtr<> outlives the apartment
    // created by CoInitializeEx().
    Document.Release();
    Location.Release();

    CoUninitialize( );

    if( S_OK != hr )
    {
        std::wcout << L"COM Error: " << std::hex << L"0x" <<hr;
        std::wcout << L" (Win32: " << std::dec << HRESULT_CODE( hr );
        std::wcout << L")" << std::endl;
    }

    return HRESULT_CODE( hr );
}

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