HRESULT WINAPI DispGetParam	(	DISPPARAMS *	pdispparams,
		UINT	position,
		VARTYPE	vtTarg,
		VARIANT *	pvarResult,
		UINT *	puArgErr
	)

Definition at line 120 of file dispatch.c.

Referenced by DatabaseImpl_Invoke(), InstallerImpl_CreateRecord(), InstallerImpl_InstallProduct(), InstallerImpl_OpenDatabase(), InstallerImpl_OpenPackage(), InstallerImpl_OpenProduct(), InstallerImpl_ProductInfo(), InstallerImpl_ProductState(), InstallerImpl_RegistryValue(), InstallerImpl_RelatedProducts(), InstallerImpl_UILevel(), ListImpl_Invoke(), RecordImpl_Invoke(), SessionImpl_Invoke(), SummaryInfoImpl_Invoke(), and ViewImpl_Invoke().

{
    /* position is counted backwards */
    UINT pos;
    HRESULT hr;

    TRACE("position=%d, cArgs=%d, cNamedArgs=%d\n",
          position, pdispparams->cArgs, pdispparams->cNamedArgs);

    if (position < pdispparams->cArgs)
    {
      /* positional arg? */
      pos = pdispparams->cArgs - position - 1;
    }
    else
    {
      /* FIXME: is this how to handle named args? */
      for (pos=0; pos<pdispparams->cNamedArgs; pos++)
        if (pdispparams->rgdispidNamedArgs[pos] == position) break;

      if (pos==pdispparams->cNamedArgs)
        return DISP_E_PARAMNOTFOUND;
    }

    if (pdispparams->cArgs > 0 && !pdispparams->rgvarg)
    {
        hr = E_INVALIDARG;
        goto done;
    }

    if (!pvarResult)
    {
        hr = E_INVALIDARG;
        goto done;
    }

    hr = VariantChangeType(pvarResult,
                           &pdispparams->rgvarg[pos],
                           0, vtTarg);

done:
    if (FAILED(hr))
        *puArgErr = pos;

    return hr;
}

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