Public/Set-WPFListBox.ps1
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function Set-WPFListBox { <# .SYNOPSIS Function to edit the behavior of a ListBox Control .DESCRIPTION Function to edit the behavior of a ListBox Control .PARAMETER ListBox Specifies the ListBox control .PARAMETER ScrollToCaret Specifies that you want the listbox to go to the bottom of the list .PARAMETER SelectionMode Specifies the selection mode. Default is Single Extended: The user can select multiple consecutive items while holding down the SHIFT key. Multiple: The user can select multiple items without holding down a modifier key. Single: The user can select only one item at a time. https://msdn.microsoft.com/en-us/library/system.windows.controls.selectionmode(v=vs.110).aspx .EXAMPLE PS C:\> Set-WPFListBox -ListBox $ListBox -ScrollToCaret Go to the bottom of the listbox $listbox .EXAMPLE PS C:\> Set-WPFListBox -ListBox $ListBox -SelectionMode Extended Change the SelectionMode to Extended. .NOTES Francois-Xavier Cat lazywinadmin.com @lazywinadm github.com/lazywinadmin Syystem.Windows.Controls.ListBox #> [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.Windows.Controls.ListBox]$ListBox, [switch]$ScrollToCaret, [System.Windows.Controls.Selectionmode]$SelectionMode ) BEGIN { Add-Type –assemblyName PresentationFramework Add-Type –assemblyName PresentationCore Add-Type –assemblyName WindowsBase } PROCESS { IF ($PSBoundParameters['ScrollToCaret']) { $listBox.SelectedIndex = $listBox.Items.Count - 1 $ListBox.ScrollIntoView($listBox.SelectedItem) } IF ($PSBoundParameters['SelectionMode']) { $ListBox.SelectionMode = $SelectionMode } } } |