Private/ValidateCimClassNameAttribute.ps1
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class ValidateCimClass : System.Management.Automation.ValidateEnumeratedArgumentsAttribute { [string]$PropertyName ValidateCimClass([string]$PropertyName) { $this.PropertyName = $PropertyName } [void]ValidateElement($Element) { if ([string]$Element.CimClass.CimClassName -ne $this.PropertyName) { throw ('{0} != {1}' -f $this.PropertyName, $Element.CimClass.CimClassName) } } } <# function test-validator { [cmdletbinding()] param( [ValidateCimClass('Win32_Bios')] [ciminstance[]]$cimInstance ) $cimInstance } test-validator -ciminstance (Get-CimInstance Win32_Bios -computername localhost,localhost) #> |