Gets or sets the build engine interface that is available to tasks.
MSBuild is now included in Visual Studio instead of the .NET Framework. You can use MSBuild 12.0 side-by-side with versions previously deployed with the .NET Framework.For more information, see What's New in MSBuild 12.0.
Assembly: Microsoft.Build.Utilities.Core (in Microsoft.Build.Utilities.Core.dll)
The build engine automatically sets this property to allow tasks to call back into it.