是否有任何方法(库或本机)使用打印 API 打印 XPS 文档?我尝试使用文档工具包 API,它可以在一定程度上工作,但是当我尝试设置PrintPageEventArgs.PageVisual
.
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1 回答
1
这应该在本机代码中执行,不要忘记先启用 COM:
SmartHandle event = ::CreateEvent(NULL, TRUE, FALSE, NULL);
if (event.get() == 0)
{
::AtlThrow(::GetLastError());
}
CComPtr<IXpsOMObjectFactory> pXpsFactory;
HRESULT hr = pXpsFactory.CoCreateInstance(CLSID_XpsOMObjectFactory);
if (FAILED(hr))
{
::AtlThrow(hr);
}
CComPtr<IXpsPrintJobStream> pDocumentStream;
hr = ::StartXpsPrintJob(printer, file, NULL, NULL, event.get(), NULL, NULL, NULL, &pDocumentStream, NULL);
if (FAILED(hr))
{
::AtlThrow(hr);
}
CComPtr<IXpsOMPackage> pXpsOMPackage;
hr = pXpsFactory->CreatePackageFromFile(argv[2], false, &pXpsOMPackage);
if (FAILED(hr))
{
::AtlThrow(hr);
}
hr = pXpsOMPackage->WriteToStream(pDocumentStream, FALSE);
if (FAILED(hr))
{
::AtlThrow(hr);
}
pDocumentStream->Close();
if (::WaitForSingleObject(event.get(), INFINITE) != WAIT_OBJECT_0)
{
::AtlThrow(hr);
}
于 2010-09-20T15:57:20.750 回答