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.
Namespace:  Microsoft.Build.Framework
Assembly:  Microsoft.Build.Framework (in Microsoft.Build.Framework.dll)
Syntax
'Declaration
Public Sub New ( _
    message As String, _
    helpKeyword As String, _
    projectFile As String, _
    targetNames As String, _
    properties As IEnumerable, _
    items As IEnumerable, _
    eventTimestamp As DateTime _
)
public ProjectStartedEventArgs(
    string message,
    string helpKeyword,
    string projectFile,
    string targetNames,
    IEnumerable properties,
    IEnumerable items,
    DateTime eventTimestamp
)
public:
ProjectStartedEventArgs(
    String^ message, 
    String^ helpKeyword, 
    String^ projectFile, 
    String^ targetNames, 
    IEnumerable^ properties, 
    IEnumerable^ items, 
    DateTime eventTimestamp
)
new : 
        message:string * 
        helpKeyword:string * 
        projectFile:string * 
        targetNames:string * 
        properties:IEnumerable * 
        items:IEnumerable * 
        eventTimestamp:DateTime -> ProjectStartedEventArgs
public function ProjectStartedEventArgs(
    message : String, 
    helpKeyword : String, 
    projectFile : String, 
    targetNames : String, 
    properties : IEnumerable, 
    items : IEnumerable, 
    eventTimestamp : DateTime
)
Parameters
- message 
 Type: System.String- text message 
- helpKeyword 
 Type: System.String- help keyword 
- projectFile 
 Type: System.String- project name 
- targetNames 
 Type: System.String- targets we are going to build (empty indicates default targets) 
- properties 
 Type: System.Collections.IEnumerable- list of properties 
- items 
 Type: System.Collections.IEnumerable- list of items 
- eventTimestamp 
 Type: System.DateTime- time the event occurred 
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see dd66cd4c-b087-415f-9c3e-94e3a1835f74.