private/Controls/Test-UiDataGridOwned.ps1
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function Test-UiDataGridOwned { <# .SYNOPSIS True when the grid owns its collection (vs a supplied -ItemsSource). Prevents performing maniuplation that would later break an unowned observablecollection. #> [CmdletBinding()] [OutputType([bool])] param( [Parameter(Mandatory)] $Collection ) if ($null -eq $Collection) { return $false } return $Collection.GetType().ToString() -eq 'PsUi.GridOwnedCollection`1[System.Object]' } |