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Allow multiple parametersetname for dynamicparam #41

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Allow multiple parametersetname for dynamicparam #41

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71 changes: 34 additions & 37 deletions New-DynamicParam.ps1
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
Function New-DynamicParam {
Function New-DynamicParam {
<#
.SYNOPSIS
Helper function to simplify creating dynamic parameters
Expand Down Expand Up @@ -40,6 +40,7 @@

.PARAMETER ParameterSetName
If specified, set the ParameterSet attribute for this dynamic parameter
You can provide a [string[]] array of parameter sets if you need this in multiple

.PARAMETER Position
If specified, set the Position attribute for this dynamic parameter
Expand Down Expand Up @@ -164,7 +165,7 @@ param(
[switch]
$Mandatory,

[string]
[string[]]
$ParameterSetName="__AllParameterSets",

[int]
Expand All @@ -188,41 +189,37 @@ param(
)
#Create attribute object, add attributes, add to collection
$ParamAttr = New-Object System.Management.Automation.ParameterAttribute
$ParamAttr.ParameterSetName = $ParameterSetName
if($mandatory)
{
$ParamAttr.Mandatory = $True
}
if($Position -ne $null)
{
$ParamAttr.Position=$Position
}
if($ValueFromPipelineByPropertyName)
{
$ParamAttr.ValueFromPipelineByPropertyName = $True
}
if($HelpMessage)
{
$ParamAttr.HelpMessage = $HelpMessage
}

$AttributeCollection = New-Object 'Collections.ObjectModel.Collection[System.Attribute]'
$AttributeCollection.Add($ParamAttr)

#param validation set if specified
if($ValidateSet)
{
$ParamOptions = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $ValidateSet
$AttributeCollection.Add($ParamOptions)
}

#Aliases if specified
if($Alias.count -gt 0) {
$ParamAlias = New-Object System.Management.Automation.AliasAttribute -ArgumentList $Alias
$AttributeCollection.Add($ParamAlias)
}

foreach ($Set in $ParameterSetName) {
$ParamAttr = New-Object System.Management.Automation.ParameterAttribute
$ParamAttr.ParameterSetName = $Set
if ($mandatory) {
$ParamAttr.Mandatory = $True
}
if ($null -ne $Position) {
$ParamAttr.Position = $Position
}
if ($ValueFromPipelineByPropertyName) {
$ParamAttr.ValueFromPipelineByPropertyName = $True
}
if ($HelpMessage) {
$ParamAttr.HelpMessage = $HelpMessage
}

$AttributeCollection.Add($ParamAttr)
#param validation set if specified
if ($ValidateSet) {
$ParamOptions = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $ValidateSet
$AttributeCollection.Add($ParamOptions)
}

#Aliases if specified
if ($Alias.count -gt 0) {
$ParamAlias = New-Object System.Management.Automation.AliasAttribute -ArgumentList $Alias
$AttributeCollection.Add($ParamAlias)
}
}


#Create the dynamic parameter
$Parameter = New-Object -TypeName System.Management.Automation.RuntimeDefinedParameter -ArgumentList @($Name, $Type, $AttributeCollection)

Expand All @@ -237,4 +234,4 @@ param(
$Dictionary.Add($Name, $Parameter)
$Dictionary
}
}
}