Silverlight 5 vs. WinRT comparison by namespace
Namespace
Types
Members
Differences
Silverlight 5
Microsoft.CSharp.RuntimeBinder
6
20
2
Microsoft.CSharp.RuntimeBinder.Semantics
9
46
46
Microsoft.Internal
1
2
2
Microsoft.Xna.Framework
40
753
751
Microsoft.Xna.Framework.Graphics
19
157
157
Microsoft.Xna.Framework.Graphics.PackedVector
12
95
95
MS.Internal
5
12
12
MS.Internal.Xml.XPath
5
10
10
System
261
2758
923
System.CodeDom.Compiler
19
304
301
System.Collections
25
255
188
System.Collections.Generic
52
407
229
System.Collections.ObjectModel
8
68
46
System.Collections.Specialized
17
170
158
System.ComponentModel
194
1185
983
System.ComponentModel.Composition
26
84
35
System.ComponentModel.Composition.Hosting
24
168
80
System.ComponentModel.Composition.Primitives
11
49
4
System.ComponentModel.Composition.ReflectionModel
2
23
5
System.ComponentModel.DataAnnotations
42
131
131
System.ComponentModel.DataAnnotations.Schema
2
4
4
System.Configuration.Assemblies
3
9
6
System.Data.Services.Client
33
189
189
System.Data.Services.Common
7
18
18
System.Diagnostics
94
763
720
System.Diagnostics.CodeAnalysis
2
8
1
System.Diagnostics.Contracts
14
54
17
System.Diagnostics.Contracts.Internal
1
3
0
System.Diagnostics.SymbolStore
15
95
92
System.Dynamic
20
139
0
System.Globalization
40
619
187
System.IO
52
651
316
System.IO.IsolatedStorage
9
112
70
System.Json
9
159
122
System.Linq
21
545
216
System.Linq.Expressions
41
615
73
System.Net
97
850
672
System.Net.Browser
1
3
3
System.Net.NetworkInformation
47
370
363
System.Net.Sockets
33
360
315
System.Numerics
2
168
5
System.Reflection
86
626
303
System.Reflection.Emit
38
734
202
System.Resources
11
64
33
System.Runtime.CompilerServices
84
224
97
System.Runtime.ConstrainedExecution
5
9
8
System.Runtime.ExceptionServices
3
7
6
System.Runtime.InteropServices
149
624
506
System.Runtime.InteropServices.Automation
3
12
12
System.Runtime.Serialization
57
381
311
System.Runtime.Serialization.Json
6
58
50
System.Runtime.Versioning
8
29
16
System.Security
35
211
203
System.Security.Cryptography
124
759
672
System.Security.Cryptography.X509Certificates
42
248
221
System.Security.Permissions
64
389
372
System.Security.Principal
18
117
110
System.ServiceModel
184
1011
822
System.ServiceModel.Channels
241
1574
1191
System.ServiceModel.Description
92
480
414
System.ServiceModel.Dispatcher
55
401
350
System.ServiceModel.Security
91
788
785
System.ServiceModel.Syndication
34
403
225
System.ServiceModel.Web
7
41
41
System.Text
25
317
198
System.Text.RegularExpressions
13
133
53
System.Threading
63
519
370
System.Threading.Tasks
20
305
117
System.Windows
221
1190
1096
System.Windows.Automation
30
117
83
System.Windows.Automation.Peers
81
220
210
System.Windows.Automation.Provider
22
115
13
System.Windows.Automation.Text
2
4
0
System.Windows.Browser
15
123
123
System.Windows.Controls
215
1928
1857
System.Windows.Controls.Primitives
51
268
221
System.Windows.Data
30
178
174
System.Windows.Data.Debugging
4
22
22
System.Windows.Documents
21
96
94
System.Windows.Ink
3
13
13
System.Windows.Input
133
605
595
System.Windows.Interop
6
36
36
System.Windows.Markup
14
63
60
System.Windows.Media
176
850
801
System.Windows.Media.Animation
78
311
300
System.Windows.Media.Effects
6
15
15
System.Windows.Media.Imaging
5
27
25
System.Windows.Media.Media3D
2
36
36
System.Windows.Messaging
7
29
29
System.Windows.Navigation
21
88
79
System.Windows.Printing
11
39
39
System.Windows.Resources
1
3
3
System.Windows.Shapes
7
46
45
System.Windows.Threading
4
15
15
System.Xaml
2
4
4
System.Xml
106
1318
783
System.Xml.Linq
25
304
17
System.Xml.Resolvers
2
14
2
System.Xml.Schema
7
63
54
System.Xml.Serialization
76
600
429
System.Xml.XPath
101
548
411
System.Xml.Xsl
11
103
86
WinRT Only
Microsoft.CSharp
1
6
6
Microsoft.CSharp.RuntimeBinder.Semantics
6
37
37
Microsoft.VisualBasic
1
7
7
Microsoft.Win32
31
135
135
Microsoft.Win32.SafeHandles
14
29
29
MS.Internal.Xml.XPath
5
10
10
System.CodeDom
86
381
381
System.Collections.Concurrent
10
114
114
System.ComponentModel.Design
60
302
302
System.ComponentModel.Design.Serialization
19
99
99
System.Configuration
59
253
253
System.Deployment.Internal
2
10
10
System.Deployment.Internal.Isolation
23
46
46
System.Diagnostics.Eventing
4
42
42
System.Diagnostics.Eventing.Reader
35
213
213
System.Diagnostics.PerformanceData
6
26
26
System.Diagnostics.Tracing
16
84
84
System.IO.Compression
4
38
38
System.IO.MemoryMappedFiles
7
43
43
System.IO.Pipes
13
94
94
System.IO.Ports
13
76
76
System.Linq.Parallel
2
2
2
System.Management.Instrumentation
20
41
41
System.Media
3
26
26
System.Net.Cache
6
17
17
System.Net.Configuration
32
202
202
System.Net.Http
17
150
150
System.Net.Http.Headers
24
253
253
System.Net.Mail
23
141
141
System.Net.Mime
6
26
26
System.Net.Security
9
130
130
System.Net.WebSockets
9
59
59
System.Reflection.Context
1
8
8
System.Reflection.Context.Virtual
2
9
9
System.Runtime
6
15
15
System.Runtime.DesignerServices
1
6
6
System.Runtime.Hosting
2
9
9
System.Runtime.InteropServices.Expando
1
5
5
System.Runtime.InteropServices.WindowsRuntime
14
77
77
System.Runtime.Remoting
20
133
133
System.Runtime.Remoting.Activation
5
19
19
System.Runtime.Remoting.Contexts
15
68
68
System.Runtime.Remoting.Lifetime
5
27
27
System.Runtime.Remoting.Messaging
25
193
193
System.Runtime.Remoting.Metadata
7
28
28
System.Runtime.Remoting.Metadata.W3cXsd2001
32
189
189
System.Runtime.Remoting.Proxies
2
20
20
System.Runtime.Remoting.Services
3
12
12
System.Runtime.Serialization.Configuration
8
59
59
System.Runtime.Serialization.Formatters
10
43
43
System.Runtime.Serialization.Formatters.Binary
1
14
14
System.Security.AccessControl
72
429
429
System.Security.Authentication
6
10
10
System.Security.Authentication.ExtendedProtection
7
22
22
System.Security.Authentication.ExtendedProtection.Configuration
3
20
20
System.Security.Claims
5
51
51
System.Security.Policy
42
360
360
System.ServiceModel.Activation
4
12
12
System.ServiceModel.Activation.Configuration
6
29
29
System.ServiceModel.Administration
1
2
2
System.ServiceModel.ComIntegration
6
25
25
System.ServiceModel.Configuration
252
1561
1561
System.ServiceModel.Diagnostics
3
6
6
System.ServiceModel.MsmqIntegration
7
63
63
System.ServiceModel.PeerResolvers
16
73
73
System.ServiceModel.Security.Tokens
28
281
281
System.ServiceModel.XamlIntegration
2
8
8
System.Timers
4
21
21
System.Web
3
14
14
System.Xml.Serialization.Advanced
2
16
16
System.Xml.Serialization.Configuration
8
36
36
Windows.ApplicationModel
7
26
26
Windows.ApplicationModel.Activation
15
71
71
Windows.ApplicationModel.Background
32
102
102
Windows.ApplicationModel.Contacts
21
124
124
Windows.ApplicationModel.Contacts.Provider
3
11
11
Windows.ApplicationModel.Core
3
18
18
Windows.ApplicationModel.DataTransfer.SendTarget
1
8
8
Windows.ApplicationModel.DataTransfer.ShareTarget
2
18
18
Windows.ApplicationModel.Infrastructure
3
10
10
Windows.ApplicationModel.Resources
1
5
5
Windows.ApplicationModel.Resources.Core
14
58
58
Windows.ApplicationModel.Search
13
63
63
Windows.ApplicationModel.Store
15
94
94
Windows.Data.Json
10
87
87
Windows.Data.Xml.Dom
40
542
542
Windows.Data.Xml.Xsl
1
2
2
Windows.Devices.Enumeration.Pnp
7
44
44
Windows.Devices.Geolocation
15
73
73
Windows.Devices.Input
10
41
41
Windows.Devices.Portable
3
8
8
Windows.Devices.Printers.Extensions
6
18
18
Windows.Devices.Sensors
38
144
144
Windows.Devices.Sms
32
175
175
Windows.Foundation.Collections
10
24
24
Windows.Foundation.Diagnostics
3
8
8
Windows.Globalization.Collation
2
5
5
Windows.Globalization.DateTimeFormatting
8
33
33
Windows.Globalization.Fonts
3
18
18
Windows.Globalization.NumberFormatting
7
68
68
Windows.Graphics.Display
5
27
27
Windows.Graphics.Imaging
35
233
233
Windows.Graphics.Printing
24
97
97
Windows.Graphics.Printing.Advanced
24
129
129
Windows.Internal.Security.Authentication
3
16
16
Windows.Management.Core
2
4
4
Windows.Management.Deployment
12
59
59
Windows.Media
2
15
15
Windows.Media.Devices
19
115
115
Windows.Media.Playlists
5
34
34
Windows.Media.PlayTo
32
105
105
Windows.Media.Protection
11
32
32
Windows.Media.Transcoding
4
40
40
Windows.Media.VideoEffects
1
2
2
Windows.Networking
2
8
8
Windows.Networking.BackgroundTransfer
16
114
114
Windows.Networking.Connectivity
16
70
70
Windows.Networking.NetworkOperators
25
121
121
Windows.Networking.Proximity
18
98
98
Windows.Networking.PushNotifications
10
46
46
Windows.Networking.Sockets
36
195
195
Windows.Security.Authentication.Live
11
59
59
Windows.Security.Authentication.Web
5
21
21
Windows.Security.Credentials
6
30
30
Windows.Security.Cryptography
3
24
24
Windows.Security.Cryptography.Certificates
14
72
72
Windows.Security.Cryptography.Core
15
73
73
Windows.Security.Cryptography.DataProtection
4
32
32
Windows.Storage
32
253
253
Windows.Storage.AccessCache
10
80
80
Windows.Storage.BulkAccess
10
139
139
Windows.Storage.Compression
6
14
14
Windows.Storage.FileProperties
17
134
134
Windows.Storage.Pickers
12
67
67
Windows.Storage.Pickers.Provider
6
26
26
Windows.Storage.Search
19
129
129
Windows.Storage.Streams
27
201
201
Windows.System
7
22
22
Windows.System.Display
2
6
6
Windows.System.Threading
6
19
19
Windows.System.UserProfile
8
57
57
Windows.UI.ApplicationSettings
3
11
11
Windows.UI.Core.AnimationMetrics
15
77
77
Windows.UI.Input.Inking
20
138
138
Windows.UI.Notifications
36
129
129
Windows.UI.Popups
10
48
48
Windows.UI.StartScreen
5
45
45
Windows.UI.ViewManagement
12
57
57
Windows.UI.Xaml.Interop
3
13
13
Windows.UI.Xaml.Resources
1
3
3
Windows.Web.AtomPub
15
137
137
Windows.Web.Syndication
38
289
289