リソース(ビットマップ)からピクチャオブジェクト(IPicture)を作成

#include <comdef.h>

class CPictDesc : public PICTDESC

{

public:

    CPictDesc()

    {

        ::ZeroMemory(this, sizeof(this));

        this->cbSizeofstruct = sizeof(this);

    }

};

// szNameにＩＤを渡す場合は、MAKEINTRESOURCE()を使用する

HRESULT OleLoadPictureFromResource(HINSTANCE hInst, LPCTSTR szName, IPicturePtr& spPicture)

{

    HRESULT hr = S_OK;

    try

    {

        HBITMAP hBitmap = ::LoadBitmap(hInst, szName);

        if (hBitmap == NULL)

        {

            return E_FAIL;

        }

        CPictDesc pd;

        pd.picType = PICTYPE_BITMAP;

        pd.bmp.hbitmap = hBitmap;

        pd.bmp.hpal = NULL;

        hr = ::OleCreatePictureIndirect(&pd, IID_IPicture, FALSE, (void**)&spPicture);

        if (FAILED(hr))

        {

            return hr;

        }

    }

    catch (...)

    {

        return E_FAIL;

    }

    return hr;

}