Note: This namespace is new in the .NET Framework version 2.0.

The Microsoft.Build.Utilities namespace provides helper classes that you can use to create your own MSBuild loggers and tasks.

 Classes

	Class	Description
	AppDomainIsolatedTask	Provides the same functionality as Task, but also derives from MarshalByRefObject so that it can be instantiated in its own app domain.
	CommandLineBuilder	Comprises utility methods for constructing a command line.
	Logger	When overridden in a derived form, provides functionality for loggers that handle events raised by the MSBuild engine.
	Task	When overridden in a derived form, provides functionality for tasks.
	TaskItem	Defines a single item of the project as it is passed into a task.
	TaskLoggingHelper	Provides helper logging methods used by tasks.
	ToolLocationHelper	Provides utility methods for locating .NET Framework and .NET Framework SDK files and directories.
	ToolTask	When overridden in a derived form, provides functionality for a task that wraps a command line tool.

 Enumerations

	Enumeration	Description
	HostObjectInitializationStatus	Defines the next action for ToolTask after an attempt to initialize the host object.
	TargetDotNetFrameworkVersion	Specifies the version of the .NET Framework to use with the methods in ToolLocationHelper.