Create IValidateSetValuesGenerator.ps1

Author: farag2

Dynamic-ValidateSet/IValidateSetValuesGenerator.ps1

@@ -0,0 +1,40 @@
+<# planets.csv
+Planet,Diameter
+ "Mercury","4879"
+ "Venus","12104"
+ "Earth","12756"
+ "Mars","6805"
+ "Jupiter","142984"
+ "Saturn","120536"
+ "Uranus","51118"
+ "Neptune","49528"
+ "Pluto","2306"
+#>
+
+class Planet : System.Management.Automation.IValidateSetValuesGenerator
+{
+	[String[]] GetValidValues()
+	{
+		$Global:planets = Import-CSV -Path "D:\planets.csv"
+		return ($Global:planets).Planet
+	}
+}
+
+Function Get-PlanetDiameter
+{
+	[CmdletBinding()]
+	param
+	(
+		[Parameter(Mandatory = $false)]
+		[ValidateSet([Planet])]
+		[string]
+		$Planet
+	)
+
+	$Planet | Foreach-Object -Process {
+		$targetplanet = $planets | Where-Object -Property Planet -match $_
+		$output = "The diameter of planet {0} is {1} km" -f $targetplanet.Planet, $targetplanet.Diameter
+
+		Write-Output $output
+	}
+}