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Spire.PDFViewer for WPF是一款强大的WPF PDF查看器控件，让开发人员能够用他们自己的WPF应用展示PDF文档而无需Adobe Reader。它可以用来加载和查看PDF文档，诸如PDF/A-1B、PDF/X1A甚至加密的流、文件和字节数组，并支持打印和缩放等。作为一款专业的WPF PDF查看器控件，它支持多个打印定向，包括landscape、portrait 和automatic。另外，Spire.PDFViewer for WPF可以到处PDF到图像并保存为流行的格式，如.bmp、.png 和.jpeg。开发人员在查看PDF文档时还可以设置显示适应页面的各种选项。

Spire.PDFViewer for WPF是一个独立的组件，它是个完全独立的WPF库，用以加载和查看PDF文档。不需要其它第三方软件或库安装于系统中。

Spire.PDFViewer for WPF is a powerful WPF PDF Viewer control which enables developers to display PDF documents with their WPF applications without Adobe Reader. It’s available to load and view PDF documents like PDF/A-1B, PDF/X1A, and even encrypted from stream, file and byte array with support for printing, zooming, etc. As a professional WPF PDF Viewer control, it supports multiple printing orientation including landscape, portrait and automatic. Furthermore, Spire.PDFViewer for WPF can export PDF to images and save as popular formats like .bmp, .png and .jpeg. In addition, developers can set display as fit page, page down/up, zoom in/out, etc. when they view PDF documents.

Spire.PDFViewer for WPF is a standalone component. It is a totally independent WPF library for loading and viewing PDF documents. It does NOT require Adobe Reader or any other 3rd party software/library installed on system.