Windows Presentation Foundation .Targets Files
Windows Presentation Foundation (WPF) extends the Microsoft build engine (MSBuild) by adding a set of WPF-specific tasks that are combined into a special .targets file, Microsoft.WinFX.targets. This file combines the set of MSBuild tasks that are required to build an MSBuild project in Windows Presentation Foundation (WPF).
See Also
Concepts
Building a WPF Application (WPF)