New-WordTree.ps1

    [cmdletbinding(DefaultParameterSetName='Default')]
    param
    (
        [Parameter(ParameterSetName = 'Default',
                   Mandatory=$true,
                   Position = 0)]
        [String[]]$Word,

        [Parameter(ParameterSetName = 'Default',
                   Position = 1)]
        [int]$Number = 1,

        [Parameter(ParameterSetName = 'Default',
                   Position = 2)]
        [ValidateSet('true','false')]
        [String]$AddSpace,

        [Parameter(ParameterSetName = 'Help',
                   Mandatory=$true,
                   Position = 0)]
        [String]$Help
    )
    $PSCmdlet.ParameterSetName

Trace-Command.log

PS C:\Temp> Trace-Command -Expression {.\New-WordTree.ps1 Help} -Name ParameterBinderController, ParameterBinding -PSHost
DEBUG: ParameterBinderController Information: 0 :  WriteLine   Argument count: 1
DEBUG: ParameterBinding Information: 0 : BIND NAMED cmd line args [New-WordTree.ps1]
DEBUG: ParameterBinding Information: 0 : BIND POSITIONAL cmd line args [New-WordTree.ps1]
DEBUG: ParameterBinding Information: 0 :     BIND arg [Help] to parameter [Word]
DEBUG: ParameterBinding Information: 0 :         Executing DATA GENERATION metadata: [System.Management.Automation.ArgumentTypeConverterAttribute]
DEBUG: ParameterBinding Information: 0 :             result returned from DATA GENERATION: Help
DEBUG: ParameterBinding Information: 0 :         Binding collection parameter Word: argument type [String], parameter type [System.String[]], collection
 type Array, element type [System.String], no coerceElementType
DEBUG: ParameterBinding Information: 0 :         Creating array with element type [System.String] and 1 elements
DEBUG: ParameterBinding Information: 0 :         Argument type String is not IList, treating this as scalar
DEBUG: ParameterBinding Information: 0 :         Adding scalar element of type String to array position 0
DEBUG: ParameterBinding Information: 0 :         BIND arg [System.String[]] to param [Word] SUCCESSFUL
DEBUG: ParameterBinderController Information: 0 :  WriteLine   CurrentParameterSetName = Default
DEBUG: ParameterBinderController Information: 0 :  WriteLine   CurrentParameterSetName = Default
DEBUG: ParameterBinding Information: 0 : MANDATORY PARAMETER CHECK on cmdlet [New-WordTree.ps1]
DEBUG: ParameterBinding Information: 0 :     BIND arg [1] to parameter [Number]
DEBUG: ParameterBinding Information: 0 :         Executing DATA GENERATION metadata: [System.Management.Automation.ArgumentTypeConverterAttribute]
DEBUG: ParameterBinding Information: 0 :             result returned from DATA GENERATION: 1
DEBUG: ParameterBinding Information: 0 :         COERCE arg to [System.Int32]
DEBUG: ParameterBinding Information: 0 :             Parameter and arg types the same, no coercion is needed.
DEBUG: ParameterBinding Information: 0 :         BIND arg [1] to param [Number] SUCCESSFUL
DEBUG: ParameterBinding Information: 0 :     BIND arg [] to parameter [AddSpace]
DEBUG: ParameterBinding Information: 0 :         Executing DATA GENERATION metadata: [System.Management.Automation.ArgumentTypeConverterAttribute]
DEBUG: ParameterBinding Information: 0 :             result returned from DATA GENERATION: 
DEBUG: ParameterBinding Information: 0 :         COERCE arg to [System.String]
DEBUG: ParameterBinding Information: 0 :             Parameter and arg types the same, no coercion is needed.
DEBUG: ParameterBinding Information: 0 :         BIND arg [] to param [AddSpace] SUCCESSFUL
DEBUG: ParameterBinding Information: 0 :     BIND arg [] to parameter [Help]
DEBUG: ParameterBinding Information: 0 :         Executing DATA GENERATION metadata: [System.Management.Automation.ArgumentTypeConverterAttribute]
DEBUG: ParameterBinding Information: 0 :             result returned from DATA GENERATION: 
DEBUG: ParameterBinding Information: 0 :         COERCE arg to [System.String]
DEBUG: ParameterBinding Information: 0 :             Parameter and arg types the same, no coercion is needed.
DEBUG: ParameterBinding Information: 0 :         BIND arg [] to param [Help] SUCCESSFUL
DEBUG: ParameterBinding Information: 0 : CALLING BeginProcessing
DEBUG: ParameterBinding Information: 0 : CALLING EndProcessing
Default

Transcript.txt

**********************
Windows PowerShell transcript start
Start time: 20151111202617
Username: SIMONS\simon
RunAs User: SIMONS\simon
Machine: SIMONS (Microsoft Windows NT 10.0.10240.0)
Host Application: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
Process ID: 17520
PSVersion: 5.0.10240.16384
WSManStackVersion: 3.0
SerializationVersion: 1.1.0.1
CLRVersion: 4.0.30319.42000
BuildVersion: 10.0.10240.16384
PSCompatibleVersions: 1.0, 2.0, 3.0, 4.0, 5.0.10240.16384
PSRemotingProtocolVersion: 2.3
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Transcript started, output file is .\Transcript.txt
>
C:\TempGet-Content -Path .\New-WordTree.ps1
    [cmdletbinding(DefaultParameterSetName='Default')]
    param
    (
        [Parameter(ParameterSetName = 'Default',
                   Mandatory=$true,
                   Position = 0)]
        [String[]]$Word,

        [Parameter(ParameterSetName = 'Default',
                   Position = 1)]
        [int]$Number = 1,

        [Parameter(ParameterSetName = 'Default',
                   Position = 2)]
        [ValidateSet('true','false')]
        [String]$AddSpace,

        [Parameter(ParameterSetName = 'Help',
                   Mandatory=$true,
                   Position = 0)]
        [String]$Help
    )
    $PSCmdlet.ParameterSetName
>
C:\Temp.\New-WordTree.ps1 Help
Default
>
C:\Temp.\New-WordTree.ps1 /?
Default
>
C:\Temp.\New-WordTree.ps1 PowerShell
Default
>
C:\TempStop-Transcript
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Windows PowerShell transcript end
End time: 20151111202702
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