C++ (Cpp) IEnumPinsImpl::receive_version Examples

Example #1

File: enumpins.c Project: AlexSteel/wine

static HRESULT WINAPI IEnumPinsImpl_Reset(IEnumPins * iface)
{
    IEnumPinsImpl *This = impl_from_IEnumPins(iface);

    TRACE("(%p)->()\n", iface);

    This->Version = This->receive_version(This->base);

    This->uIndex = 0;
    return S_OK;
}

Example #2

File: enumpins.c Project: AlexSteel/wine

static HRESULT WINAPI IEnumPinsImpl_Skip(IEnumPins * iface, ULONG cPins)
{
    IEnumPinsImpl *This = impl_from_IEnumPins(iface);

    TRACE("(%p)->(%u)\n", iface, cPins);

    if (This->Version != This->receive_version(This->base))
        return VFW_E_ENUM_OUT_OF_SYNC;

    if (This->receive_pincount(This->base) >= This->uIndex + cPins)
        return S_FALSE;

    This->uIndex += cPins;
    return S_OK;
}

Example #3

File: enumpins.c Project: RPG-7/reactos

static HRESULT WINAPI IEnumPinsImpl_Next(IEnumPins * iface, ULONG cPins, IPin ** ppPins, ULONG * pcFetched)
{
    IEnumPinsImpl *This = impl_from_IEnumPins(iface);
    HRESULT hr = S_OK;
    ULONG i = 0;

    TRACE("(%p)->(%u, %p, %p)\n", iface, cPins, ppPins, pcFetched);

    if (!ppPins)
        return E_POINTER;

    if (cPins > 1 && !pcFetched)
        return E_INVALIDARG;

    if (pcFetched)
        *pcFetched = 0;

    if (This->Version != This->receive_version(This->base))
        return VFW_E_ENUM_OUT_OF_SYNC;

    while (i < cPins && hr == S_OK)
    {
       IPin *pin;
       pin = This->receive_pin(This->base, This->uIndex + i);

       if (!pin)
         break;
       else
         ppPins[i] = pin;
       ++i;
    }

    if (pcFetched)
        *pcFetched = i;
    This->uIndex += i;

    if (i < cPins)
        return S_FALSE;
    return S_OK;
}