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ProjectStartedEventArgs Class

Provides data for the ProjectStarted event.

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
  EventArgs
    Microsoft.Build.Framework.BuildEventArgs
      Microsoft.Build.Framework.LazyFormattedBuildEventArgs
        Microsoft.Build.Framework.BuildStatusEventArgs
          Microsoft.Build.Framework.ProjectStartedEventArgs

Namespace:  Microsoft.Build.Framework
Assembly:  Microsoft.Build.Framework (in Microsoft.Build.Framework.dll)

Syntax

'Declaration
<SerializableAttribute> _
Public Class ProjectStartedEventArgs _
    Inherits BuildStatusEventArgs
[SerializableAttribute]
public class ProjectStartedEventArgs : BuildStatusEventArgs
[SerializableAttribute]
public ref class ProjectStartedEventArgs : public BuildStatusEventArgs
[<SerializableAttribute>]
type ProjectStartedEventArgs =  
    class 
        inherit BuildStatusEventArgs 
    end
public class ProjectStartedEventArgs extends BuildStatusEventArgs

The ProjectStartedEventArgs type exposes the following members.

Constructors

  Name Description
Protected method ProjectStartedEventArgs() Initializes a new instance of the ProjectStartedEventArgs class.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 ProjectStartedEventArgs(String, String, String, String, IEnumerable, IEnumerable) Initializes a new instance of the ProjectStartedEventArgs class with the specified values.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 ProjectStartedEventArgs(String, String, String, String, IEnumerable, IEnumerable, DateTime) This constructor allows event data to be initialized. Also the timestamp can be set Sender is assumed to be "MSBuild".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 ProjectStartedEventArgs(Int32, String, String, String, String, IEnumerable, IEnumerable, BuildEventContext) Initializes a new instance of the ProjectStartedEventArgs class with the specified values.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 ProjectStartedEventArgs(Int32, String, String, String, String, IEnumerable, IEnumerable, BuildEventContext, DateTime) This constructor allows event data to be initialized. Sender is assumed to be "MSBuild".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 ProjectStartedEventArgs(Int32, String, String, String, String, IEnumerable, IEnumerable, BuildEventContext, IDictionary<String, String>, String) This constructor allows event data to be initialized. Sender is assumed to be "MSBuild".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.

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Properties

  Name Description
Public property BuildEventContext Gets or sets location contextual information. This is attached to logging events to define where they are located in relation to the process, engine, project, target, or task that is executing.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. (Inherited from BuildEventArgs.)
Public property GlobalProperties Gets the set of global properties used to evaluate this 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 HelpKeyword Gets the Help keyword for the event.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. (Inherited from BuildEventArgs.)
Public property Items Gets the list of items for the event.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 Message Gets the formatted message.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. (Inherited from LazyFormattedBuildEventArgs.)
Public property ParentProjectBuildEventContext Provides contextual location information, including the project if any that invoked the build of this 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 ProjectFile Gets the project file associated with the event.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 ProjectId Gets the project file associated with the event.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 Properties Gets the list of properties for the event.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 SenderName Gets the name of the Object raising the event.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. (Inherited from BuildEventArgs.)
Public property TargetNames Gets the list of targets to be built in 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 ThreadId Gets an integer identifier for the thread that raised the event.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. (Inherited from BuildEventArgs.)
Public property Timestamp Gets the time the event was raised as a DateTime.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. (Inherited from BuildEventArgs.)
Public property ToolsVersion Gets the tools version used to evaluate this 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.

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Methods

  Name Description
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 (Inherited from Object.)

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Fields

  Name Description
Public fieldStatic member InvalidProjectId A value representing an invalid project ID.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.

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Remarks

WARNING: marking a type [Serializable] without implementing ISerializable imposes a serialization contract -- it is a promise to never change the type's fields i.e. the type is immutable; adding new fields in the next version of the type without following certain special FX guidelines, can break both forward and backward compatibility

Examples

The following example shows how to write a basic logger that responds to build events.

using System;
using System.IO;
using System.Security;
using Microsoft.Build.Framework;
using Microsoft.Build.Utilities;

namespace MyLoggers
{
    // This logger will derive from the Microsoft.Build.Utilities.Logger class, 
    // which provides it with getters and setters for Verbosity and Parameters, 
    // and a default empty Shutdown() implementation. 
    public class BasicFileLogger : Logger
    {
        /// <summary> 
        /// Initialize is guaranteed to be called by MSBuild at the start of the build 
        /// before any events are raised. 
        /// </summary> 
        public override void Initialize(IEventSource eventSource)
        {
            // The name of the log file should be passed as the first item in the 
            // "parameters" specification in the /logger switch.  It is required
            // to pass a log file to this logger. Other loggers may have zero or more than  
            // one parameters. 
            if (null == Parameters)
            {
                throw new LoggerException("Log file was not set.");
            }
            string[] parameters = Parameters.Split(';');
            
            string logFile = parameters[0];
            if (String.IsNullOrEmpty(logFile))
            {
                throw new LoggerException("Log file was not set.");
            }
            
            if (parameters.Length > 1)
            {
                throw new LoggerException("Too many parameters passed.");
            }
            
            try
            {
                // Open the file 
                this.streamWriter = new StreamWriter(logFile);
            }
            catch (Exception ex)
            {
                if
                (
                    ex is UnauthorizedAccessException
                    || ex is ArgumentNullException
                    || ex is PathTooLongException
                    || ex is DirectoryNotFoundException
                    || ex is NotSupportedException
                    || ex is ArgumentException
                    || ex is SecurityException
                    || ex is IOException
                )
                {
                    throw new LoggerException("Failed to create log file: " + ex.Message);
                }
                else
                {
                    // Unexpected failure 
                    throw;
                }
            }

            // For brevity, we'll only register for certain event types. Loggers can also 
            // register to handle TargetStarted/Finished and other events.
            eventSource.ProjectStarted += new ProjectStartedEventHandler(eventSource_ProjectStarted);
            eventSource.TaskStarted += new TaskStartedEventHandler(eventSource_TaskStarted);
            eventSource.MessageRaised += new BuildMessageEventHandler(eventSource_MessageRaised);
            eventSource.WarningRaised += new BuildWarningEventHandler(eventSource_WarningRaised);
            eventSource.ErrorRaised += new BuildErrorEventHandler(eventSource_ErrorRaised);
            eventSource.ProjectFinished += new ProjectFinishedEventHandler(eventSource_ProjectFinished);
        }

        void eventSource_ErrorRaised(object sender, BuildErrorEventArgs e)
        {
            // BuildErrorEventArgs adds LineNumber, ColumnNumber, File, amongst other parameters 
            string line = String.Format(": ERROR {0}({1},{2}): ", e.File, e.LineNumber, e.ColumnNumber);
            WriteLineWithSenderAndMessage(line, e);
        }
        
        void eventSource_WarningRaised(object sender, BuildWarningEventArgs e)
        {
            // BuildWarningEventArgs adds LineNumber, ColumnNumber, File, amongst other parameters 
            string line = String.Format(": Warning {0}({1},{2}): ", e.File, e.LineNumber, e.ColumnNumber);
            WriteLineWithSenderAndMessage(line, e);
        }

        void eventSource_MessageRaised(object sender, BuildMessageEventArgs e)
        {
            // BuildMessageEventArgs adds Importance to BuildEventArgs 
            // Let's take account of the verbosity setting we've been passed in deciding whether to log the message 
            if ((e.Importance == MessageImportance.High && IsVerbosityAtLeast(LoggerVerbosity.Minimal))
                || (e.Importance == MessageImportance.Normal && IsVerbosityAtLeast(LoggerVerbosity.Normal))
                || (e.Importance == MessageImportance.Low && IsVerbosityAtLeast(LoggerVerbosity.Detailed))              
                )
            {
                WriteLineWithSenderAndMessage(String.Empty, e);
            }
        }

        void eventSource_TaskStarted(object sender, TaskStartedEventArgs e)
        {
            // TaskStartedEventArgs adds ProjectFile, TaskFile, TaskName 
            // To keep this log clean, this logger will ignore these events.
        }
        
        void eventSource_ProjectStarted(object sender, ProjectStartedEventArgs e)
        {
            // ProjectStartedEventArgs adds ProjectFile, TargetNames 
            // Just the regular message string is good enough here, so just display that.
            WriteLine(String.Empty, e);
            indent++;
        }

        void eventSource_ProjectFinished(object sender, ProjectFinishedEventArgs e)
        {
            // The regular message string is good enough here too.
            indent--;
            WriteLine(String.Empty, e);
        }
        
        /// <summary> 
        /// Write a line to the log, adding the SenderName and Message 
        /// (these parameters are on all MSBuild event argument objects) 
        /// </summary> 
        private void WriteLineWithSenderAndMessage(string line, BuildEventArgs e)
        {
            if (0 == String.Compare(e.SenderName, "MSBuild", true /*ignore case*/))
            {
                // Well, if the sender name is MSBuild, let's leave it out for prettiness
                WriteLine(line, e);
            }
            else
            {
                WriteLine(e.SenderName + ": " + line, e);
            }
        }
        
        /// <summary> 
        /// Just write a line to the log 
        /// </summary> 
        private void WriteLine(string line, BuildEventArgs e)
        {
            for (int i = indent; i > 0; i--)
            {
                streamWriter.Write("\t");
            }
            streamWriter.WriteLine(line + e.Message);
        }
        
        /// <summary> 
        /// Shutdown() is guaranteed to be called by MSBuild at the end of the build, after all  
        /// events have been raised. 
        /// </summary> 
        public override void Shutdown()
        {
            // Done logging, let go of the file
            streamWriter.Close();
        }

        private StreamWriter streamWriter;
        private int indent;
    }
}

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.Framework Namespace