NDepend

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Exploring .NET Core 3.0 new API

.NET Core 3.0 is representing a major step for the .NET community. It is interesting to analyze what’s new in the API directly from the compiled bits. In this post I will first explain how to diff .NET Core 3.0 against .NET Core 2.2 with NDepend, and then how to browse diff results.

Arguably the biggest progress of .NET Core 3.0 will be the support for Winforms and WPF on the Windows platform. Since everything is new here, compare to .NET Core 2.2, we won’t analyze this part. However it will be interesting to analyze .NET Fx Winforms/WPF APIs vs .NET Core 3.0 Winforms/WPF APIs in another post (that I finally wrote here).

Analyzing two versions of .NET Core with NDepend

It takes a few minutes to download NDepend trial, install it and start VisualNDepend.exe, and it takes a few minutes to compare .NET Core 3.0 against .NET Core 2.2. If you want to browse the diff on your machine, expect 5 to 10 minutes to get hands-on.

First Start VisualNDepend.exe and click Compare 2 versions of a code base:

How to compare 2 versions of a code base

For both builds, choose Add Assemblies in Folder:

  • Choose C:\Program Files\dotnet\shared\Microsoft.NETCore.App\2.2.2  for Older Build
  • Choose C:\Program Files\dotnet\shared\Microsoft.NETCore.App\3.0.0-preview-27324-5 for Newer Build
Choose assemblies in folder to analyze

Respectively 156 and 161 assemblies are gathered. Click Ok to run two analysis, on older and newer build. Both analysis results will be then diffed automatically.

Ready to compare 2 versions of .NET Core

Querying new API

Let’s start with a few CQLinq code queries to explore the new .NET Core 3.0 APIs:

This query match all new public code elements, including new assemblies, namespace, types, methods and fields:

Use the NDepend query result to browse this large new API set : 5 new assemblies, 83 new namespaces, 297 new types, 4 924 new methods and 307 new fields. Note that code elements with pink background are not matched by the query, they are just here for preserving the code hierarchy in the result:

.NET Core 3.0 new public API

Download here this long list obtained by exporting the query result to excel. For a better result formatting I actually used this refined query to show properly parent assemblies/namespaces/types in excel columns:


It is interesting to just focus on the 297 new public types with the code query below. Download the list here or browse the same list at the end of this post.

New .NET Core 3.0 Public Types

It is also interesting to browse the new 1.101 public methods and 38 public fields added on public types that existed already in .NET Core 2.2.  Download this list here.

API Breaking Changes

NDepend proposes 6 default rules to browse API breaking changes.

These rules matche 19 public types removed from .NET Core 2.2 (see list below) 176 public methods removed and 36 public fields removed

.NET Core 2.2 Types Removed

Listing Methods Changed

Exploring the API evolution is useful for API consumers. For those working on the framework .NET Core itself, it is interesting to also browse implementation changes. The NDepend search by change panel proposes various options for that. Note that this search panel is actually a code query generator. The Edit query button proposes to edit and refine the currently generated query.

Another interesting point is that it is a semantic implementation change. All matched methods do behave differently at runtime. This makes this tool ideal to plan code change review without bothering with formatting and comments change.

Matched code elements can be highlighted in the metric view. From the screenshot above we can see at a glance that System.Xml and System.Data are much more stable than System.RunTime for example. By zooming in the view, we can get more information about which code was churned.

Highlight methods where code was changed

In the query result panel, a code element is underlined when its implementation changed. If you have compiled both source versions on your machine and analyzed those compiled versions, you can right click an underlined method and directly compare the diff in source code.

I hope you see value both in the results offered and in the how-to-diff procedure that can be applied to any .NET code base, assuming you have 2 versions to compare.

New .NET Core 3.0 types

Here is the list of the 297 new types added to .NET Core 3.0.

ParentAssembly Full Name
WindowsBase System.Windows.Markup .ValueSerializerAttribute
System.Xml.Linq System.Xml.XPath.XDocumentExtensions
System.Threading.ThreadPool System.Threading.IThreadPoolWorkItem
System.Threading.Tasks System.Runtime.CompilerServices .AsyncIteratorMethodBuilder
System.Threading.Tasks System.Runtime.CompilerServices .ConfiguredCancelableAsyncEnumerable<T>
System.Text.Json System.Text.Json.JsonCommentHandling
System.Text.Json System.Text.Json.JsonTokenType
System.Text.Json System.Text.Json.JsonDocument
System.Text.Json System.Text.Json.JsonElement
System.Text.Json System.Text.Json .JsonElement+ArrayEnumerator
System.Text.Json System.Text.Json .JsonElement+ObjectEnumerator
System.Text.Json System.Text.Json.JsonProperty
System.Text.Json System.Text.Json.JsonValueType
System.Text.Json System.Text.Json.JsonReaderException
System.Text.Json System.Text.Json.JsonReaderOptions
System.Text.Json System.Text.Json.JsonReaderState
System.Text.Json System.Text.Json.Utf8JsonReader
System.Text.Json System.Text.Json.JsonWriterOptions
System.Text.Json System.Text.Json.JsonWriterState
System.Text.Json System.Text.Json.Utf8JsonWriter
System.Security.Principal.Windows System.Security.Principal .WindowsAccountType
System.Security.Cryptography.Primitives System.Security.Cryptography .PbeEncryptionAlgorithm
System.Security.Cryptography.Primitives System.Security.Cryptography .PbeParameters
System.Security.Cryptography.Algorithms System.Security.Cryptography.AesCcm
System.Security.Cryptography.Algorithms System.Security.Cryptography.AesGcm
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.CornerRadius
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.DurationType
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.Duration
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.GridUnitType
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.GridLength
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.Thickness
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.LayoutCycleException
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.Markup .XamlParseException
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.Automation .ElementNotAvailableException
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.Automation .ElementNotEnabledException
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.Media.Matrix
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.Media.Media3D.Matrix3D
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.Media.Animation.KeyTime
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.Media.Animation .RepeatBehaviorType
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.Media.Animation .RepeatBehavior
System.Runtime.WindowsRuntime.UI.Xaml Windows.UI.Xaml.Controls.Primitives .GeneratorPosition
System.Runtime.WindowsRuntime Windows.UI.Color
System.Runtime.WindowsRuntime Windows.Foundation.Point
System.Runtime.WindowsRuntime Windows.Foundation.Rect
System.Runtime.WindowsRuntime Windows.Foundation.Size
System.Runtime.WindowsRuntime System.WindowsRuntimeSystemExtensions
System.Runtime.WindowsRuntime System.IO .WindowsRuntimeStorageExtensions
System.Runtime.WindowsRuntime System.IO.WindowsRuntimeStreamExtensions
System.Runtime.WindowsRuntime System.Threading.DispatcherQueueHandler
System.Runtime.WindowsRuntime System.Threading.DispatcherQueuePriority
System.Runtime.WindowsRuntime System.Runtime.InteropServices .WindowsRuntime.AsyncInfo
System.Runtime.WindowsRuntime System.Runtime.InteropServices .WindowsRuntime.WindowsRuntimeBuffer
System.Runtime.WindowsRuntime System.Runtime.InteropServices .WindowsRuntime .WindowsRuntimeBufferExtensions
System.Runtime.Serialization System.Runtime.Serialization .ISerializationSurrogateProvider
System.Runtime.Loader System.Runtime.Loader .AssemblyDependencyResolver
System.Runtime.Intrinsics System.MidpointRounding
System.Runtime.Intrinsics System.Runtime.Intrinsics.Vector64
System.Runtime.Intrinsics System.Runtime.Intrinsics.Vector64<T>
System.Runtime.Intrinsics System.Runtime.Intrinsics.Vector128
System.Runtime.Intrinsics System.Runtime.Intrinsics.Vector128<T>
System.Runtime.Intrinsics System.Runtime.Intrinsics.Vector256
System.Runtime.Intrinsics System.Runtime.Intrinsics.Vector256<T>
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86 .FloatComparisonMode
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Aes
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Avx
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Avx2
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Bmi1
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Bmi2
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Fma
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Lzcnt
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Pclmulqdq
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Popcnt
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Sse
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Sse2
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Sse3
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Sse41
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Sse42
System.Runtime.Intrinsics System.Runtime.Intrinsics.X86.Ssse3
System.Runtime.Intrinsics System.Runtime.Intrinsics.Arm.Arm64.Aes
System.Runtime.Intrinsics System.Runtime.Intrinsics.Arm.Arm64.Base
System.Runtime.Intrinsics System.Runtime.Intrinsics.Arm.Arm64.Sha1
System.Runtime.Intrinsics System.Runtime.Intrinsics.Arm.Arm64 .Sha256
System.Runtime.Intrinsics System.Runtime.Intrinsics.Arm.Arm64.Simd
System.Runtime.InteropServices System.Runtime.CompilerServices .IDispatchConstantAttribute
System.Runtime.InteropServices System.Runtime.InteropServices .StandardOleMarshalObject
System.Runtime.InteropServices System.Runtime.InteropServices .NativeLibrary
System.Runtime.Extensions System.AppDomainSetup
System.Runtime.Extensions System.Security.IStackWalk
System.Runtime.Extensions System.Security.PermissionSet
System.Runtime.Extensions System.Security.Permissions .PermissionState
System.Runtime.Extensions System.Runtime.ProfileOptimization
System.Runtime System.ArgIterator
System.Runtime System.IAsyncDisposable
System.Runtime System.Index
System.Runtime System.Range
System.Runtime System.Text.Rune
System.Runtime System.Text.StringRuneEnumerator
System.Runtime System.Globalization.ISOWeek
System.Runtime System.Threading.Tasks.Sources .ManualResetValueTaskSourceCore<TResult>
System.Runtime System.Runtime.Remoting.ObjectHandle
System.Runtime System.Runtime.CompilerServices .AsyncIteratorStateMachineAttribute
System.Runtime System.Runtime.CompilerServices .CallerArgumentExpressionAttribute
System.Runtime System.Collections.Generic .IAsyncEnumerable<T>
System.Runtime System.Collections.Generic .IAsyncEnumerator<T>
System.Private.CoreLib System.IAsyncDisposable
System.Private.CoreLib System.Index
System.Private.CoreLib System.Range
System.Private.CoreLib System.Text .StringBuilder+ChunkEnumerator
System.Private.CoreLib System.Text.Rune
System.Private.CoreLib System.Text.SpanRuneEnumerator
System.Private.CoreLib System.Text.StringRuneEnumerator
System.Private.CoreLib System.Globalization.ISOWeek
System.Private.CoreLib System.Buffers.OperationStatus
System.Private.CoreLib System.Buffers.StandardFormat
System.Private.CoreLib System.Buffers.Text.Utf8Formatter
System.Private.CoreLib System.Buffers.Text.Utf8Parser
System.Private.CoreLib System.Buffers.Binary.BinaryPrimitives
System.Private.CoreLib System.Threading.Tasks.Sources .ManualResetValueTaskSourceCore<TResult>
System.Private.CoreLib System.Runtime.Remoting.ObjectHandle
System.Private.CoreLib System.Runtime.Loader .AssemblyDependencyResolver
System.Private.CoreLib System.Runtime.CompilerServices .AsyncIteratorMethodBuilder
System.Private.CoreLib System.Runtime.CompilerServices .AsyncIteratorStateMachineAttribute
System.Private.CoreLib System.Runtime.CompilerServices .CallerArgumentExpressionAttribute
System.Private.CoreLib System.Runtime.CompilerServices .ConfiguredCancelableAsyncEnumerable<T>
System.Private.CoreLib System.Runtime.CompilerServices .ConfiguredCancelableAsyncEnumerable<T >+Enumerator
System.Private.CoreLib System.Runtime.Intrinsics.Vector64
System.Private.CoreLib System.Runtime.Intrinsics.Vector128
System.Private.CoreLib System.Runtime.Intrinsics.Vector256
System.Private.CoreLib System.Runtime.Intrinsics.X86.Bmi1+X64
System.Private.CoreLib System.Runtime.Intrinsics.X86.Bmi2+X64
System.Private.CoreLib System.Runtime.Intrinsics.X86.Lzcnt+X64
System.Private.CoreLib System.Runtime.Intrinsics.X86.Popcnt+X64
System.Private.CoreLib System.Runtime.Intrinsics.X86.Sse+X64
System.Private.CoreLib System.Runtime.Intrinsics.X86.Sse2+X64
System.Private.CoreLib System.Runtime.Intrinsics.X86.Sse41+X64
System.Private.CoreLib System.Runtime.Intrinsics.X86.Sse42+X64
System.Private.CoreLib System.Runtime.InteropServices .DllImportResolver
System.Private.CoreLib System.Runtime.InteropServices .NativeLibrary
System.Private.CoreLib System.Runtime.InteropServices .ComActivationContext
System.Private.CoreLib System.Runtime.InteropServices .ComActivationContextInternal
System.Private.CoreLib System.Runtime.InteropServices .ComActivator
System.Private.CoreLib System.Runtime.InteropServices .ComEventInterfaceAttribute
System.Private.CoreLib System.Runtime.InteropServices .DefaultParameterValueAttribute
System.Private.CoreLib System.Diagnostics.DebugProvider
System.Private.CoreLib System.Collections.Generic .IAsyncEnumerable<T>
System.Private.CoreLib System.Collections.Generic .IAsyncEnumerator<T>
System.Private.CoreLib Internal.Resources.PRIExceptionInfo
System.Private.CoreLib Internal.Resources .WindowsRuntimeResourceManagerBase
System.Private.CoreLib Internal.Threading.Tasks .AsyncCausalitySupport
System.Private.CoreLib Internal.Runtime.InteropServices .WindowsRuntime.ExceptionSupport
System.ObjectModel System.Reflection.ICustomTypeProvider
System.ObjectModel System.ComponentModel .TypeConverterAttribute
System.ObjectModel System.ComponentModel .TypeDescriptionProviderAttribute
System.ObjectModel System.Windows.Markup .ValueSerializerAttribute
System.Net.Sockets System.Net.Sockets.SafeSocketHandle
System.Memory System.Text.SpanRuneEnumerator
System.Memory System.Buffers.SequenceReader<T>
System.Memory System.Buffers.SequenceReaderExtensions
System System.StringNormalizationExtensions
System System.Reflection.ICustomTypeProvider
System System.Windows.Markup .ValueSerializerAttribute
System System.Runtime.InteropServices .StandardOleMarshalObject
System System.Diagnostics.ConsoleTraceListener
System System.Diagnostics .XmlWriterTraceListener
System System.Diagnostics.StackFrameExtensions
System System.Security.SecureStringMarshal
System System.Net.Sockets .SocketReceiveFromResult
System System.Net.Sockets .SocketReceiveMessageFromResult
System System.Net.Sockets.SocketTaskExtensions
System.Diagnostics.TextWriterTraceListener System.Diagnostics.ConsoleTraceListener
System.Diagnostics.TextWriterTraceListener System.Diagnostics .XmlWriterTraceListener
System.Data System.Xml.XmlDataDocument
System.Data System.Data.Common.DbColumn
System.Data System.Data.Common .DbDataReaderExtensions
System.Data System.Data.Common .IDbColumnSchemaGenerator
System.Core System.Security.Cryptography.AesCng
System.Core System.Security.Cryptography.DSACng
System.Core System.Security.Cryptography .TripleDESCng
System.Core System.Security.Cryptography.ECCurve
System.Core System.Security.Cryptography .ECParameters
System.Core System.Security.Cryptography.ECPoint
System.Core System.Security.Cryptography .IncrementalHash
System.Core System.Security.Cryptography .X509Certificates.CertificateRequest
System.Core System.Security.Cryptography .X509Certificates .DSACertificateExtensions
System.Core System.Security.Cryptography .X509Certificates .SubjectAlternativeNameBuilder
System.Core System.Security.Cryptography .X509Certificates.X509SignatureGenerator
System.ComponentModel.TypeConverter System.ComponentModel.VersionConverter
System.ComponentModel.Primitives System.ComponentModel .InvalidAsynchronousStateException
System.ComponentModel.DataAnnotations System.ComponentModel.DataAnnotations .AssociatedMetadataTypeTypeDescriptionPr ovider
System.ComponentModel.DataAnnotations System.ComponentModel.DataAnnotations .MetadataTypeAttribute
System.ComponentModel.Annotations System.ComponentModel.DataAnnotations .AssociatedMetadataTypeTypeDescriptionPr ovider
System.ComponentModel.Annotations System.ComponentModel.DataAnnotations .MetadataTypeAttribute
mscorlib System.TupleExtensions
mscorlib System.AppDomainSetup
mscorlib System.Globalization .GlobalizationExtensions
mscorlib System.Threading.ThreadPoolBoundHandle
mscorlib System.Threading.PreAllocatedOverlapped
mscorlib System.Runtime.ProfileOptimization
mscorlib System.Runtime.Remoting.ObjectHandle
mscorlib System.Runtime.CompilerServices .RuntimeFeature
mscorlib System.Runtime.CompilerServices .IsByRefLikeAttribute
mscorlib System.Runtime.CompilerServices.ITuple
mscorlib System.Runtime.CompilerServices .IsReadOnlyAttribute
mscorlib System.Runtime.CompilerServices .TupleElementNamesAttribute
mscorlib System.Runtime.CompilerServices .IDispatchConstantAttribute
mscorlib System.Runtime.InteropServices .RuntimeInformation
mscorlib System.Runtime.InteropServices .Architecture
mscorlib System.Runtime.InteropServices .OSPlatform
mscorlib System.Reflection.Emit.DynamicILInfo
mscorlib System.Security.IStackWalk
mscorlib System.Security.PermissionSet
mscorlib System.Security.Permissions .PermissionState
mscorlib System.Security.Principal .WindowsAccountType
mscorlib System.Diagnostics.Tracing .EventSourceCreatedEventArgs
Microsoft.VisualBasic Microsoft.VisualBasic.Collection
Microsoft.VisualBasic Microsoft.VisualBasic.CompareMethod
Microsoft.VisualBasic Microsoft.VisualBasic.ComClassAttribute
Microsoft.VisualBasic Microsoft.VisualBasic.ControlChars
Microsoft.VisualBasic Microsoft.VisualBasic.DateAndTime
Microsoft.VisualBasic Microsoft.VisualBasic.Information
Microsoft.VisualBasic Microsoft.VisualBasic .MyGroupCollectionAttribute
Microsoft.VisualBasic Microsoft.VisualBasic.VariantType
Microsoft.VisualBasic Microsoft.VisualBasic .VBFixedArrayAttribute
Microsoft.VisualBasic Microsoft.VisualBasic .VBFixedStringAttribute
Microsoft.VisualBasic Microsoft.VisualBasic.VBMath
Microsoft.VisualBasic Microsoft.VisualBasic.FileIO.FileSystem
Microsoft.VisualBasic Microsoft.VisualBasic.FileIO .DeleteDirectoryOption
Microsoft.VisualBasic Microsoft.VisualBasic.FileIO .RecycleOption
Microsoft.VisualBasic Microsoft.VisualBasic.FileIO .SearchOption
Microsoft.VisualBasic Microsoft.VisualBasic.FileIO .UICancelOption
Microsoft.VisualBasic Microsoft.VisualBasic.FileIO.UIOption
Microsoft.VisualBasic Microsoft.VisualBasic.FileIO .MalformedLineException
Microsoft.VisualBasic Microsoft.VisualBasic.FileIO .SpecialDirectories
Microsoft.VisualBasic Microsoft.VisualBasic.FileIO .TextFieldParser
Microsoft.VisualBasic Microsoft.VisualBasic.FileIO.FieldType
Microsoft.VisualBasic Microsoft.VisualBasic.CompilerServices .BooleanType
Microsoft.VisualBasic Microsoft.VisualBasic.CompilerServices .DecimalType
Microsoft.VisualBasic Microsoft.VisualBasic.CompilerServices .Versioned
Microsoft.VisualBasic Microsoft.VisualBasic.CompilerServices .DoubleType
Microsoft.VisualBasic Microsoft.VisualBasic .ApplicationServices.StartupEventArgs
Microsoft.VisualBasic Microsoft.VisualBasic .ApplicationServices .StartupNextInstanceEventArgs
Microsoft.VisualBasic Microsoft.VisualBasic .ApplicationServices .UnhandledExceptionEventArgs
Microsoft.VisualBasic Microsoft.VisualBasic.Devices .NetworkAvailableEventArgs
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CallType
Microsoft.VisualBasic.Core Microsoft.VisualBasic.Collection
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompareMethod
Microsoft.VisualBasic.Core Microsoft.VisualBasic.ComClassAttribute
Microsoft.VisualBasic.Core Microsoft.VisualBasic.Constants
Microsoft.VisualBasic.Core Microsoft.VisualBasic.ControlChars
Microsoft.VisualBasic.Core Microsoft.VisualBasic.DateAndTime
Microsoft.VisualBasic.Core Microsoft.VisualBasic .HideModuleNameAttribute
Microsoft.VisualBasic.Core Microsoft.VisualBasic.Information
Microsoft.VisualBasic.Core Microsoft.VisualBasic .MyGroupCollectionAttribute
Microsoft.VisualBasic.Core Microsoft.VisualBasic.Strings
Microsoft.VisualBasic.Core Microsoft.VisualBasic.VariantType
Microsoft.VisualBasic.Core Microsoft.VisualBasic .VBFixedArrayAttribute
Microsoft.VisualBasic.Core Microsoft.VisualBasic .VBFixedStringAttribute
Microsoft.VisualBasic.Core Microsoft.VisualBasic.VBMath
Microsoft.VisualBasic.Core Microsoft.VisualBasic.FileIO.FileSystem
Microsoft.VisualBasic.Core Microsoft.VisualBasic.FileIO .DeleteDirectoryOption
Microsoft.VisualBasic.Core Microsoft.VisualBasic.FileIO .RecycleOption
Microsoft.VisualBasic.Core Microsoft.VisualBasic.FileIO .SearchOption
Microsoft.VisualBasic.Core Microsoft.VisualBasic.FileIO .UICancelOption
Microsoft.VisualBasic.Core Microsoft.VisualBasic.FileIO.UIOption
Microsoft.VisualBasic.Core Microsoft.VisualBasic.FileIO .MalformedLineException
Microsoft.VisualBasic.Core Microsoft.VisualBasic.FileIO .SpecialDirectories
Microsoft.VisualBasic.Core Microsoft.VisualBasic.FileIO .TextFieldParser
Microsoft.VisualBasic.Core Microsoft.VisualBasic.FileIO.FieldType
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .BooleanType
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .Conversions
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .DecimalType
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .DesignerGeneratedAttribute
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .SiteDelegate0
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .SiteDelegate1
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .SiteDelegate2
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .SiteDelegate3
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .SiteDelegate4
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .SiteDelegate5
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .SiteDelegate6
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .SiteDelegate7
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .IncompleteInitialization
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .NewLateBinding
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .ObjectFlowControl
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .ObjectFlowControl+ForLoopControl
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .Operators
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .OptionCompareAttribute
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .OptionTextAttribute
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .ProjectData
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .StandardModuleAttribute
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .StaticLocalInitFlag
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .Utils
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .Versioned
Microsoft.VisualBasic.Core Microsoft.VisualBasic.CompilerServices .DoubleType
Microsoft.VisualBasic.Core Microsoft.VisualBasic .ApplicationServices.StartupEventArgs
Microsoft.VisualBasic.Core Microsoft.VisualBasic .ApplicationServices .StartupNextInstanceEventArgs
Microsoft.VisualBasic.Core Microsoft.VisualBasic .ApplicationServices .UnhandledExceptionEventArgs
Microsoft.VisualBasic.Core Microsoft.VisualBasic.Devices .NetworkAvailableEventArgs

My dad being an early programmer in the 70's, I have been fortunate to switch from playing with Lego, to program my own micro-games, when I was still a kid. Since then I never stop programming.

I graduated in Mathematics and Software engineering. After a decade of C++ programming and consultancy, I got interested in the brand new .NET platform in 2002. I had the chance to write the best-seller book (in French) on .NET and C#, published by O'Reilly (> 15.000 copies) and also did manage some academic and professional courses on the platform and C#.

Over the years, I gained a passion for understanding structure and evolution of large complex real-world applications, and for talking with talented developers behind it. As a consequence, I got interested in static code analysis and started the project NDepend.

Today, with more than 8.000 client companies, including many of the Fortune 500 ones, NDepend offers deeper insight and understanding about their code bases to a wide range of professional users around the world.

I live with my wife and our twin babies Léna and Paul, in the beautiful island of Mauritius in the Indian Ocean.

Published by

Patrick Smacchia

My dad being an early programmer in the 70's, I have been fortunate to switch from playing with Lego, to program my own micro-games, when I was still a kid. Since then I never stop programming. I graduated in Mathematics and Software engineering. After a decade of C++ programming and consultancy, I got interested in the brand new .NET platform in 2002. I had the chance to write the best-seller book (in French) on .NET and C#, published by O'Reilly (> 15.000 copies) and also did manage some academic and professional courses on the platform and C#. Over the years, I gained a passion for understanding structure and evolution of large complex real-world applications, and for talking with talented developers behind it. As a consequence, I got interested in static code analysis and started the project NDepend. Today, with more than 8.000 client companies, including many of the Fortune 500 ones, NDepend offers deeper insight and understanding about their code bases to a wide range of professional users around the world. I live with my wife and our twin babies Léna and Paul, in the beautiful island of Mauritius in the Indian Ocean.

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