Share via


BuildProperty Class

Represents a single property in an MSBuild project.

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.

Inheritance Hierarchy

System.Object
  Microsoft.Build.BuildEngine.BuildProperty

Namespace:  Microsoft.Build.BuildEngine
Assembly:  Microsoft.Build.Engine (in Microsoft.Build.Engine.dll)

Syntax

'Declaration
Public Class BuildProperty
public class BuildProperty
public ref class BuildProperty
type BuildProperty =  class end
public class BuildProperty

The BuildProperty type exposes the following members.

Constructors

  Name Description
Public method BuildProperty Initializes a new instance of the BuildProperty class with the specified name and value.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.

Top

Properties

  Name Description
Public property Condition Gets or sets the Condition attribute value of the property.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.
Public property FinalValue Gets the final value of the property after all property evaluations have been performed.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.
Public property IsImported Gets or sets a value indicating whether the property was imported into the project.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.
Public property Name Gets the property name.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.
Public property Value Gets or sets the property value.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.

Top

Methods

  Name Description
Public method Clone Creates a deep or shallow copy of the BuildProperty.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.
Public method Equals (Inherited from Object.)
Protected method Finalize (Inherited from Object.)
Public method GetHashCode (Inherited from Object.)
Public method GetType (Inherited from Object.)
Protected method MemberwiseClone (Inherited from Object.)
Public method ToString Returns the string that represents the property Value.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. (Overrides Object.ToString().)

Top

Operators

  Name Description
Public operatorStatic member Explicit(BuildProperty to String) Converts a BuildProperty to a String.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.

Top

Examples

The following example creates a Project object and uses the LoadXml method to add content to the project. The BuildProperty, BuildPropertyGroup, and BuildPropertyGroupCollection classes are used to add, remove, and change items in the project.

Module Module1

    ''' <summary> 
    ''' This code demonstrates the use of the following methods: 
    '''     Engine constructor 
    '''     Project constructor 
    '''     Project.LoadFromXml 
    '''     Project.Xml 
    '''     BuildPropertyGroupCollection.GetEnumerator 
    '''     BuildPropertyGroup.GetEnumerator 
    '''     BuildProperty.Name (get) 
    '''     BuildProperty.Value (set) 
    '''     BuildPropertyGroup.RemoveProperty 
    '''     BuildPropertyGroup.AddNewProperty 
    ''' </summary> 
    ''' <remarks></remarks> 
    Sub Main()

        ' Create a new Engine object. 
        Dim engine As New Engine(Environment.CurrentDirectory)

        ' Create a new Project object. 
        Dim project As New Project(engine)

        ' Load the project with the following XML, which contains 
        ' two PropertyGroups.
        project.LoadXml( _
            "<Project xmlns='https://schemas.microsoft.com/developer/msbuild/2003'>" & _
                "<PropertyGroup>" & _
                    "<Optimize>true</Optimize>" & _
                    "<WarningLevel>4</WarningLevel>" & _
                "</PropertyGroup>" & _
                "<PropertyGroup>" & _
                    "<OutputPath>bin\debug\</OutputPath>" & _
                    "<RemoveThisPropertyPlease>1</RemoveThisPropertyPlease>" & _
                "</PropertyGroup>" & _
            "</Project>")

        ' Iterate through each PropertyGroup in the Project.  There are two. 
        For Each pg As BuildPropertyGroup In project.PropertyGroups

            Dim propertyToRemove As BuildProperty
            propertyToRemove = Nothing 

            ' Iterate through each Property in the PropertyGroup. 
            For Each buildProperty As BuildProperty In pg

                ' If the property's name is "RemoveThisPropertyPlease", then 
                ' store a reference to this property in a local variable, 
                ' so we can remove it later. 
                If buildProperty.Name = "RemoveThisPropertyPlease" Then
                    propertyToRemove = buildProperty
                End If 

                ' If the property's name is "OutputPath", change its value 
                ' from "bin\debug\" to "bin\release\". 
                If buildProperty.Name = "OutputPath" Then
                    buildProperty.Value = "bin\release\" 
                End If 

            Next 

            ' Remove the property named "RemoveThisPropertyPlease" from the 
            ' PropertyGroup 
            If Not propertyToRemove Is Nothing Then
                pg.RemoveProperty(propertyToRemove)
            End If 

            ' For each PropertyGroup that we found, add to the end of it 
            ' a new property called "MyNewProperty".
            pg.AddNewProperty("MyNewProperty", "MyNewValue")

        Next 

        '  The project now looks like this: 
        '  
        '      <?xml version="1.0" encoding="utf-16"?> 
        '      <Project xmlns="https://schemas.microsoft.com/developer/msbuild/2003"> 
        '        <PropertyGroup> 
        '          <Optimize>true</Optimize> 
        '          <WarningLevel>4</WarningLevel> 
        '          <MyNewProperty>MyNewValue</MyNewProperty> 
        '        </PropertyGroup> 
        '        <PropertyGroup> 
        '          <OutputPath>bin\release</OutputPath> 
        '          <MyNewProperty>MyNewValue</MyNewProperty> 
        '        </PropertyGroup> 
        '      </Project>
        Console.WriteLine(project.Xml)

    End Sub 

End Module
using System;
using System.Collections.Generic;
using System.Text;

using Microsoft.Build.BuildEngine;

namespace AddNewProperty
{
    class Program
    {
        /// <summary> 
        /// This code demonstrates the use of the following methods: 
        ///     Engine constructor 
        ///     Project constructor 
        ///     Project.LoadFromXml 
        ///     Project.Xml 
        ///     BuildPropertyGroupCollection.GetEnumerator 
        ///     BuildPropertyGroup.GetEnumerator 
        ///     BuildProperty.Name (get) 
        ///     BuildProperty.Value (set) 
        ///     BuildPropertyGroup.RemoveProperty 
        ///     BuildPropertyGroup.AddNewProperty 
        /// </summary> 
        static void Main()
        {
            // Create a new Engine object.
            Engine engine = new Engine(Environment.CurrentDirectory);

            // Create a new Project object.
            Project project = new Project(engine);

            // Load the project with the following XML, which contains 
            // two PropertyGroups.
            project.LoadXml(@"
                <Project xmlns='https://schemas.microsoft.com/developer/msbuild/2003'>

                    <PropertyGroup>
                        <Optimize>true</Optimize>
                        <WarningLevel>4</WarningLevel>
                    </PropertyGroup>

                    <PropertyGroup>
                        <OutputPath>bin\debug\</OutputPath>
                        <RemoveThisPropertyPlease>1</RemoveThisPropertyPlease>
                    </PropertyGroup>

                </Project>
                ");

            // Iterate through each PropertyGroup in the Project.  There are two. 
            foreach (BuildPropertyGroup pg in project.PropertyGroups)
            {
                BuildProperty propertyToRemove = null;

                // Iterate through each Property in the PropertyGroup. 
                foreach (BuildProperty property in pg)
                {
                    // If the property's name is "RemoveThisPropertyPlease", then
                    // store a reference to this property in a local variable, 
                    // so we can remove it later. 
                    if (property.Name == "RemoveThisPropertyPlease")
                    {
                        propertyToRemove = property;
                    }

                    // If the property's name is "OutputPath", change its value 
                    // from "bin\debug\" to "bin\release\".
                    if (property.Name == "OutputPath")
                    {
                        property.Value = @"bin\release\";
                    }
                }

                // Remove the property named "RemoveThisPropertyPlease" from the
                // PropertyGroup 
                if (propertyToRemove != null)
                {
                    pg.RemoveProperty(propertyToRemove);
                }

                // For each PropertyGroup that we found, add to the end of it 
                // a new property called "MyNewProperty".
                pg.AddNewProperty("MyNewProperty", "MyNewValue");
            }

            // The project now looks like this: 
            // 
            //     <?xml version="1.0" encoding="utf-16"?>
            //     <Project xmlns="https://schemas.microsoft.com/developer/msbuild/2003">
            //       <PropertyGroup> 
            //         <Optimize>true</Optimize> 
            //         <WarningLevel>4</WarningLevel> 
            //         <MyNewProperty>MyNewValue</MyNewProperty> 
            //       </PropertyGroup> 
            //       <PropertyGroup> 
            //         <OutputPath>bin\release</OutputPath> 
            //         <MyNewProperty>MyNewValue</MyNewProperty> 
            //       </PropertyGroup> 
            //     </Project>
            Console.WriteLine(project.Xml);
        }
    }
}

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

See Also

Reference

Microsoft.Build.BuildEngine Namespace