MoreEnumerableTraceTSource(IEnumerableTSource, String) Method
            Traces the elements of a source sequence for diagnostics using
            custom formatting.
            
Namespace: MoreLinqAssembly: MoreLinq (in MoreLinq.dll) Version: 4.1.0+0e154ef592f33ce0f6f3d534a9eedee273f0ce72
public static IEnumerable<TSource> Trace<TSource>(
	this IEnumerable<TSource> source,
	string? format
)
<ExtensionAttribute>
Public Shared Function Trace(Of TSource) ( 
	source As IEnumerable(Of TSource),
	format As String
) As IEnumerable(Of TSource)
public:
[ExtensionAttribute]
generic<typename TSource>
static IEnumerable<TSource>^ Trace(
	IEnumerable<TSource>^ source, 
	String^ format
)
[<ExtensionAttribute>]
static member Trace : 
        source : IEnumerable<'TSource> * 
        format : string -> IEnumerable<'TSource> 
- source  IEnumerableTSource
 - Source sequence whose elements to trace.
 - format  String
 - 
            String to use to format the trace message. If null then the
            element value becomes the traced message.
            
 
- TSource
 - Type of element in the source sequence
 
IEnumerableTSource
            Return the source sequence unmodified.
            In Visual Basic and C#, you can call this method as an instance method on any object of type 
IEnumerableTSource. When you use instance method syntax to call this method, omit the first parameter. For more information, see 
Extension Methods (Visual Basic) or 
Extension Methods (C# Programming Guide).
 
            This a pass-through operator that uses deferred execution and
            streams the results.