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Project Element (MSBuild)

Required root element of an MSBuild project file.

<Project InitialTargets="TargetA;TargetB"
         DefaultTargets="TargetC;TargetD"
         ToolsVersion=<version number>
         xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
    <Choose>... </Choose>
    <PropertyGroup>... </PropertyGroup>
    <ItemGroup>... </ItemGroup>
    <Target>... </Target>
    <UsingTask.../>
    <ProjectExtensions>... </ProjectExtensions>
    <Import... />
</Project>

The following sections describe attributes, child elements, and parent elements.

Attributes

Attribute

Description

DefaultTargets

Optional attribute.

The default target or targets to be the entry point of the build if no target has been specified. Multiple targets are semi-colon (;) delimited.

If no default target is specified in either the DefaultTargets attribute or the MSBuild command line, the engine executes the first target in the project file after the Import elements have been evaluated.

InitialTargets

Optional attribute.

The initial target or targets to be run before the targets specified in the DefaultTargets attribute or on the command line. Multiple targets are semi-colon (;) delimited.

ToolsVersion

Optional attribute.

The version of the toolset MSBuild uses to determine the values for $(MSBuildBinPath) and $(MSBuildToolsPath).

Xmlns

Required attribute.

The xmlns attribute must have the value of "http://schemas.microsoft.com/developer/msbuild/2003".

Child Elements

Element

Description

Choose

Optional element.

Evaluates child elements to select one set of ItemGroup elements and/or PropertyGroup elements to evaluate.

Import

Optional element.

Enables a project file to import another project file. There may be zero or more Import elements in a project.

ItemGroup

Optional element.

A grouping element for individual items. Items are specified by using the Item element. There may be zero or more ItemGroup elements in a project.

ProjectExtensions

Optional element.

Provides a way to persist non-MSBuild information in an MSBuild project file. There may be zero or one ProjectExtensions elements in a project.

PropertyGroup

Optional element.

A grouping element for individual properties. Properties are specified by using the Property element. There may be zero or more PropertyGroup elements in a project.

Target

Optional element.

Contains a set of tasks for MSBuild to sequentially execute. Tasks are specified by using the Task element. There may be zero or more Target elements in a project.

UsingTask

Optional element.

Provides a way to register tasks in MSBuild. There may be zero or more UsingTask elements in a project.

Parent Elements

None.

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