Modernize C# code snippets - System/Type - #12973
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Pull request overview
This PR modernizes the C# code snippets under snippets/csharp/System/Type (and a few related System/Type*Exception and System/TypedReference snippets) as part of issue #12713, primarily by updating syntax/formatting to contemporary C# patterns while keeping the snippet intent the same.
Changes:
- Replaced older formatting patterns (
string.Format, composite formatting, explicit type names likeString/Object) with modern C# ($"", target-typednew,string/object, expression-bodied members). - Cleaned up spacing/indentation and simplified small members (properties, constructors, helpers).
- Removed some unused
usingdirectives and normalizedusing/header formatting.
Reviewed changes
Copilot reviewed 123 out of 130 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
| snippets/csharp/System/TypeLoadException/Message/typeloadexception_typename.cs | Modernized string formatting and indentation in TypeLoadException example. |
| snippets/csharp/System/TypeLoadException/.ctor/typeloadexception_constructor3.cs | Normalized formatting and minor syntax updates in P/Invoke TypeLoadException sample. |
| snippets/csharp/System/TypeLoadException/.ctor/typeloadexception_constructor2.cs | Updated to interpolated strings and consistent formatting. |
| snippets/csharp/System/TypeInitializationException/Overview/Regex1.cs | Removed unused using static and updated to target-typed new. |
| snippets/csharp/System/TypeInitializationException/Overview/Missing1a.cs | Converted trivial members to expression-bodied form. |
| snippets/csharp/System/TypeInitializationException/Overview/Missing1.cs | Applied target-typed new, expression-bodied members, and whitespace cleanup in example/output comments. |
| snippets/csharp/System/TypeInitializationException/Overview/ctorException1.cs | Applied target-typed new and whitespace cleanup in example/output comments. |
| snippets/csharp/System/TypedReference/Overview/source.cs | Re-indented and normalized try/catch structure around snippet region. |
| snippets/csharp/System/Type/TypeHandle/type_typehandle.cs | Removed unused using System.Reflection;, target-typed new, and interpolated strings. |
| snippets/csharp/System/Type/StructLayoutAttribute/source.cs | Reformatted attribute usage/struct declaration and compacted helper to expression-bodied form. |
| snippets/csharp/System/Type/ReflectedType/source.cs | Removed unused using System.Reflection; and updated to interpolated string. |
| snippets/csharp/System/Type/Overview/source.cs | Updated typeof(string), object, and output formatting to interpolated strings. |
| snippets/csharp/System/Type/Overview/GetType1.cs | Normalized file header and made foreach element type explicit. |
| snippets/csharp/System/Type/Overview/Equals1.cs | Switched Object.ReferenceEquals to object.ReferenceEquals. |
| snippets/csharp/System/Type/Module/type_tostring.cs | Updated output to interpolated strings and normalized snippet header/footer whitespace. |
| snippets/csharp/System/Type/Missing/source.cs | Updated argument spacing and modernized CompilerParameters construction with object initializer. |
| snippets/csharp/System/Type/MakeGenericType/source.cs | Removed unused using System.Reflection; and modernized output formatting and type keywords. |
| snippets/csharp/System/Type/MakeGenericType/remarks.cs | Removed unused using System; and normalized brace spacing in nested type declarations. |
| snippets/csharp/System/Type/MakeByRefType/source.cs | Updated output to interpolated strings and normalized catch spacing. |
| snippets/csharp/System/Type/IsVisible/source.cs | Normalized whitespace and updated output formatting. |
| snippets/csharp/System/Type/IsValueType/type_isvaluetype.cs | Normalized parameter spacing and updated output formatting. |
| snippets/csharp/System/Type/IsSubclassOf/testissubclassof.cs | Converted Main to expression-bodied with interpolated output. |
| snippets/csharp/System/Type/IsSubclassOf/issubclassof_interface1.cs | Modernized formatting and output strings for interface example. |
| snippets/csharp/System/Type/IsSealed/type_issealed.cs | Normalized indentation and updated output to interpolated string. |
| snippets/csharp/System/Type/IsPublic/type_ispublic.cs | Target-typed new and interpolated output. |
| snippets/csharp/System/Type/IsPrimitiveImpl/type_isprimitiveimpl.cs | Modernized formatting, target-typed new, and interpolated exception output. |
| snippets/csharp/System/Type/IsNotPublic/source.cs | Removed unused using System.IO; and updated output to interpolated strings. |
| snippets/csharp/System/Type/IsNested/isnestedfamilyandassembly1.cs | Modernized formatting and updated per-property output to interpolated strings. |
| snippets/csharp/System/Type/IsMarshalByRefImpl/type_ismarshalbyrefimpl.cs | Modernized formatting, target-typed new, and interpolated exception output. |
| snippets/csharp/System/Type/IsLayoutSequential/type_islayoutsequential.cs | Removed unused usings and updated output/instantiations to modern syntax. |
| snippets/csharp/System/Type/IsInterface/type_isinterface.cs | Normalized formatting and updated output to interpolated strings. |
| snippets/csharp/System/Type/IsInstanceOfType/testisinstanceoftype.cs | Normalized formatting/brace spacing and updated output to interpolated strings. |
| snippets/csharp/System/Type/IsGenericType/source.cs | Removed unused using System.Reflection; and normalized generic type formatting/spacing. |
| snippets/csharp/System/Type/IsGenericType/remarks.cs | Removed unused usings and normalized generic type formatting/spacing. |
| snippets/csharp/System/Type/IsGenericParameter/source.cs | Removed unused using System.Reflection; and updated output/collection instantiation to modern syntax. |
| snippets/csharp/System/Type/IsExplicitLayout/type_isexplicitlayout.cs | Removed unused usings, normalized attribute formatting, and updated output string. |
| snippets/csharp/System/Type/IsEnum/testisenum.cs | Updated output to interpolated strings and normalized indentation. |
| snippets/csharp/System/Type/IsContextfulImpl/type_iscontextfulimpl.cs | Modernized formatting, target-typed new, and interpolated exception output. |
| snippets/csharp/System/Type/IsContextful/type_iscontextful.cs | Removed unused remoting using and modernized output formatting and spacing. |
| snippets/csharp/System/Type/IsClass/type_isclass.cs | Removed unused using System.Reflection; and modernized output formatting/spacing. |
| snippets/csharp/System/Type/IsAutoLayout/type_isautolayout.cs | Normalized spacing and updated output to interpolated string. |
| snippets/csharp/System/Type/IsAssignableFrom/testisassignablefrom.cs | Modernized instantiation and updated output to interpolated strings. |
| snippets/csharp/System/Type/IsAssignableFrom/IsAssignableFrom3.cs | Normalized indentation and snippet-marker placement around if assignment. |
| snippets/csharp/System/Type/IsAssignableFrom/IsAssignableFrom2.cs | Normalized indentation and brace spacing. |
| snippets/csharp/System/Type/IsAssignableFrom/isassignablefrom_ex1.cs | Updated AssemblyName construction to object initializer and normalized indentation. |
| snippets/csharp/System/Type/IsArrayImpl/type_isarrayimpl.cs | Modernized ctor to expression-bodied, normalized spacing, and updated output/interpolation. |
| snippets/csharp/System/Type/IsArray/isarray2.cs | Updated to typeof(string)/generic type keywords and modernized console output formatting. |
| snippets/csharp/System/Type/IsAnsiClass/type_isansiclass.cs | Normalized spacing, target-typed new, and updated output strings. |
| snippets/csharp/System/Type/IsAbstract/isabstract1.cs | Modernized formatting and updated output to interpolated strings. |
| snippets/csharp/System/Type/InvokeMember/invokemem.cs | Updated primitive/type keywords, modernized arrays/boxing, and moved to interpolated strings. |
| snippets/csharp/System/Type/HasElementTypeImpl/type_haselementtypeimpl.cs | Modernized ctor to expression-bodied, normalized spacing, and updated output/interpolation. |
| snippets/csharp/System/Type/HasElementType/type_haselementtype.cs | Converted trivial method to expression-bodied, normalized array formatting, and updated output to interpolated strings. |
| snippets/csharp/System/Type/GUID/type_guid.cs | Normalized spacing and snippet header/footer, kept concatenation style in output. |
| snippets/csharp/System/Type/GetTypeFromProgID/type_gettypefromprogid4.cs | Normalized spacing, updated output to interpolation, and catch formatting. |
| snippets/csharp/System/Type/GetTypeFromProgID/type_gettypefromprogid3.cs | Normalized spacing, updated output to interpolation, and catch formatting. |
| snippets/csharp/System/Type/GetTypeFromProgID/type_gettypefromprogid2.cs | Normalized spacing, updated output to interpolation, and catch formatting. |
| snippets/csharp/System/Type/GetTypeFromHandle/type_gettypefromhandle.cs | Removed unused using System.Reflection;, target-typed new, and normalized snippet marker indentation. |
| snippets/csharp/System/Type/GetTypeFromCLSID/gettypefromclsid11.cs | Normalized attribute spacing and updated output to interpolated strings; cleaned up comment wrapping. |
| snippets/csharp/System/Type/GetTypeFromCLSID/gettypefromclsid1.cs | Removed unused using System.Runtime.InteropServices; and updated output to interpolation. |
| snippets/csharp/System/Type/GetTypeFromCLSID/gettypefromclsid_ex4.cs | Removed unused interop using and normalized try/catch formatting. |
| snippets/csharp/System/Type/GetTypeFromCLSID/gettypefromclsid_ex3.cs | Normalized formatting and indentation while keeping COMException catch. |
| snippets/csharp/System/Type/GetTypeFromCLSID/gettypefromclsid_ex2.cs | Removed unused interop using and normalized try/catch formatting. |
| snippets/csharp/System/Type/GetTypeCode/iconvertible.cs | Simplified many members to expression-bodied form and modernized formatting/output. |
| snippets/csharp/System/Type/GetType/type_gettype.cs | Updated to interpolated strings and normalized try/catch formatting. |
| snippets/csharp/System/Type/GetType/source.cs | Normalized file header (BOM) formatting. |
| snippets/csharp/System/Type/GetType/mypath/v5.0/myassembly.cs | Removed unused using System; and normalized brace spacing. |
| snippets/csharp/System/Type/GetProperty/type_getproperty3.cs | Converted indexer accessors to expression-bodied and updated output to interpolated string. |
| snippets/csharp/System/Type/GetProperty/type_getproperty21.cs | Normalized array type spacing and converted indexer accessors to expression-bodied. |
| snippets/csharp/System/Type/GetProperty/type_getproperty2.cs | Updated output to interpolated string. |
| snippets/csharp/System/Type/GetProperty/type_getproperty1.cs | Updated output to interpolated string. |
| snippets/csharp/System/Type/GetProperty/type_getproperty_types.cs | Updated output/catch logging to interpolated strings and normalized snippet footer. |
| snippets/csharp/System/Type/GetProperties/type_gettypecode.cs | Normalized snippet marker indentation, updated to interpolated strings, and cleaned up loops/catches. |
| snippets/csharp/System/Type/GetProperties/type_getproperties2.cs | Converted trivial properties to expression-bodied and modernized formatting/output strings. |
| snippets/csharp/System/Type/GetNestedTypes/type_getnestedtypes.cs | Removed unused using System.Reflection; and updated output to interpolated strings. |
| snippets/csharp/System/Type/GetNestedTypes/type_getnestedclassesabs.cs | Updated output to interpolated strings and normalized binding flags spacing. |
| snippets/csharp/System/Type/GetMethods/type_getmethods2.cs | Removed unused using System.Reflection.Emit; and simplified methods/output formatting. |
| snippets/csharp/System/Type/GetMethod/type_getmethod5.cs | Updated outputs to interpolated strings and converted out-parameter method to expression-bodied. |
| snippets/csharp/System/Type/GetMethod/type_getmethod4.cs | Updated outputs to interpolated strings and converted out-parameter method to expression-bodied. |
| snippets/csharp/System/Type/GetMethod/type_getmethod3.cs | Updated outputs to interpolated strings and converted out-parameter method to expression-bodied. |
| snippets/csharp/System/Type/GetMethod/type_getmethod2.cs | Updated output to interpolated string. |
| snippets/csharp/System/Type/GetMethod/type_getmethod1.cs | Updated output to interpolated string. |
| snippets/csharp/System/Type/GetMethod/GetMethodWithOverloads2.cs | Updated type keywords, normalized typeof(int), and modernized output formatting. |
| snippets/csharp/System/Type/GetMethod/GetMethodWithOverloads1.cs | Simplified methods to expression-bodied and modernized output formatting. |
| snippets/csharp/System/Type/GetMethod/GetMethod1.cs | Modernized generic/non-generic Add method lookup sample and output formatting. |
| snippets/csharp/System/Type/GetMembers/type_getmembers2.cs | Modernized instantiation, normalized formatting, and updated output to interpolated strings. |
| snippets/csharp/System/Type/GetMembers/type_getmembers1.cs | Modernized instantiation, normalized formatting, and updated output to interpolated strings. |
| snippets/csharp/System/Type/GetMember/type_getmember.cs | Modernized instantiation, type keywords, and output formatting/loop style. |
| snippets/csharp/System/Type/GetInterfaceMap/interfacemapping1.cs | Modernized output formatting and normalized loop indentation. |
| snippets/csharp/System/Type/GetInterface/type_getinterface.cs | Modernized instantiation/output formatting and snippet marker indentation (but currently has a compile error). |
| snippets/csharp/System/Type/GetHashCode/type_gethashcode_getfields.cs | Normalized whitespace and updated output to interpolated string in one case. |
| snippets/csharp/System/Type/GetGenericTypeDefinition/source.cs | Removed unused using System.Reflection;, modernized dictionary creation, and updated output to interpolation. |
| snippets/csharp/System/Type/GetGenericArguments/source.cs | Removed unused using System.Reflection;, modernized dictionary creation, and updated output to interpolation. |
| snippets/csharp/System/Type/GetFields/source.cs | Normalized file header and converted trivial method body to expression-bodied form. |
| snippets/csharp/System/Type/GetFields/fieldinfo_isspecialname.cs | Updated loop/catch spacing and output to interpolated string. |
| snippets/csharp/System/Type/GetField/type_getfield.cs | Converted simple getter to expression-bodied and modernized output to interpolated strings. |
| snippets/csharp/System/Type/GetEvents/type_getevents2.cs | Normalized catch spacing and snippet footer formatting. |
| snippets/csharp/System/Type/GetEvents/type_getevents1.cs | Normalized catch spacing and snippet footer formatting. |
| snippets/csharp/System/Type/GetEvent/type_getevent1.cs | Normalized if/catch spacing and updated one output to interpolated string. |
| snippets/csharp/System/Type/GetEvent/type_getevent.cs | Normalized if/catch spacing and updated one output to interpolated string. |
| snippets/csharp/System/Type/GetElementType/testgetelementtype.cs | Normalized array formatting, target-typed new, and updated output to interpolated strings. |
| snippets/csharp/System/Type/GetDefaultMembers/type_getdefaultmembers.cs | Simplified property to expression-bodied and normalized catch spacing. |
| snippets/csharp/System/Type/GetDefaultMembers/source2.cs | Simplified accessors to expression-bodied and updated output to interpolated strings. |
| snippets/csharp/System/Type/GetConstructors/source2.cs | Normalized indentation/brace style and spacing in constructor reflection sample. |
| snippets/csharp/System/Type/GetConstructors/source1.cs | Normalized indentation/brace style and spacing in constructor reflection sample. |
| snippets/csharp/System/Type/GetArrayRank/type_getarrayrank.cs | Normalized array formatting and updated dimension output to interpolation. |
| snippets/csharp/System/Type/GenericParameterPosition/remarks.cs | Removed unused using System; and simplified generic method to expression-bodied. |
| snippets/csharp/System/Type/GenericParameterAttributes/source.cs | Normalized generic type/constraint formatting and updated output to interpolation. |
| snippets/csharp/System/Type/FullName/testfullname.cs | Fixed indentation and updated output to interpolated string. |
| snippets/csharp/System/Type/FullName/fullnameex1.cs | Target-typed new and normalized indentation. |
| snippets/csharp/System/Type/FullName/Fullname5.cs | Removed unused using System.Reflection; and updated output to interpolated strings. |
| snippets/csharp/System/Type/FullName/Fullname4.cs | Modernized output formatting and simplified one method to expression-bodied. |
| snippets/csharp/System/Type/FullName/Fullname3.cs | Removed unused using System.Reflection; and normalized indentation/loop formatting. |
| snippets/csharp/System/Type/FindMembers/type_findmembers.cs | Modernized instantiation/type keywords and updated output formatting/spacing. |
| snippets/csharp/System/Type/FindInterfaces/type_findinterfaces.cs | Target-typed new, normalized spacing, and updated output to interpolated strings. |
| snippets/csharp/System/Type/FilterNameIgnoreCase/type_filternameignorecase.cs | Updated to typeof(string) and normalized spacing/exception catches. |
| snippets/csharp/System/Type/FilterName/source.cs | Normalized indentation and snippet marker placement; formatted sample Application class. |
| snippets/csharp/System/Type/FilterAttribute/type_filterattribute.cs | Updated to typeof(string) and normalized spacing/exception catches. |
| snippets/csharp/System/Type/Equals/source.cs | Removed unused using System.Reflection;, updated type keywords, and modernized output formatting. |
| snippets/csharp/System/Type/Equals/EqualsEx1.cs | Updated type keywords/instantiation and modernized output formatting. |
| snippets/csharp/System/Type/EmptyTypes/source.cs | Removed unused using System.IO; and normalized brace style. |
| snippets/csharp/System/Type/DefaultBinder/type_defaultbinder.cs | Target-typed new, normalized array creation spacing, and simplified method to expression-bodied. |
| snippets/csharp/System/Type/DeclaringType/source.cs | Removed unused using System.Reflection; and made Main expression-bodied with interpolated output. |
| snippets/csharp/System/Type/DeclaringType/remarks.cs | Normalized snippet marker indentation and updated output to interpolated string. |
| snippets/csharp/System/Type/DeclaringMethod/source.cs | Converted trivial method to expression-bodied, normalized output formatting, and array spacing. |
| snippets/csharp/System/Type/ContainsGenericParameters/source.cs | Removed unused usings and updated outputs to interpolated strings. |
| snippets/csharp/System/Type/BaseType/testbasetype.cs | Updated output to interpolated string. |
| snippets/csharp/System/Type/BaseType/remarks.cs | Removed unused using System; and normalized empty Main formatting. |
| snippets/csharp/System/Type/BaseType/basetype3.cs | Normalized indentation and updated output to interpolated strings. |
| snippets/csharp/System/Type/Attributes/attributes1.cs | Normalized indentation/spacing and updated outputs to interpolated strings. |
| snippets/csharp/System/Type/AssemblyQualifiedName/fullname1.cs | Updated type keywords and normalized a few object/type instantiations. |
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Contributes to #12713.
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