How to: Get Progress from the.NET Framework 4.5 Installer • • 9 minutes to read • Contributors • • • • • • In this article The.NET Framework 4.5 is a redistributable runtime. If you develop apps for this version of the.NET Framework, you can include (chain).NET Framework 4.5 setup as a prerequisite part of your app's setup. To present a customized or unified setup experience, you may want to silently launch.NET Framework 4.5 setup and track its progress while showing your app's setup progress. To enable silent tracking,.NET Framework 4.5 setup (which can be watched) defines a protocol by using a memory-mapped I/O (MMIO) segment to communicate with your setup (the watcher or chainer). This protocol defines a way for a chainer to obtain progress information, get detailed results, respond to messages, and cancel the.NET Framework 4.5 setup. • Invocation.

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To call.NET Framework 4.5 setup and receive progress information from the MMIO section, your setup program must do the following: • Call the.NET Framework 4.5redistributable program: dotNetFx45_Full_x86_x64.exe /q /norestart /pipe section-name where section name is any name you want to use to identify your app..NET Framework setup reads and writes to the MMIO section asynchronously, so you might find it convenient to use events and messages during that time. In the example, the.NET Framework setup process is created by a constructor that both allocates the MMIO section ( TheSectionName) and defines an event ( TheEventName): Server():ChainerSample::MmioChainer(L'TheSectionName', L'TheEventName') Please replace those names with names that are unique to your setup program. • Read from the MMIO section. In the.NET Framework 4.5, the download and installation operations are simultaneous: One part of the.NET Framework might be installing while another part is downloading.