public/ListBox.ps1
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<#
.SYNOPSIS A ListBox control that encapsulates the Windows Presentation Foundation (WPF) System.Windows.Controls.ListBox class .DESCRIPTION A ListBox control .PARAMETER Name The name of the control .PARAMETER Contents The contents of the ListBox .PARAMETER InitialValue The item from $contents that is initally selected .PARAMETER Property Properties to extend/override the base properties defined in the function .PARAMETER MultiSelect Sets the selectionMode of the ListBox to "Extended" .EXAMPLE $files=get-childitem c:\windows -file | select-object -first 10 Dialog { Listbox Files -contents $files } -Title ListBox .LINK https://msdn.microsoft.com/en-us/library/system.windows.controls.listbox #> function ListBox { [CmdletBinding()] Param([string]$Name, [Array]$Contents = @(), $InitialValue, [Hashtable]$Property = @{}, [switch]$MultiSelect) $baseProperties = @{ Name = $Name } $l = New-WPFControl -type System.Windows.Controls.ListBox -Properties $baseProperties, $Property if ($MultiSelect) { $l.SelectionMode = 'Extended' } if ($Contents) { $Contents | ForEach-Object { $lvi = new-object System.Windows.Controls.ListBoxItem $lvi.Tag = $_ $lvi.Content = $_.ToString() $l.Items.Add($lvi) | out-null if ($InitialValue -and $_ -eq $InitialValue) { $l.SelectedItem = $lvi } } } $l | add-member -MemberType ScriptMethod -Name GetControlValue -Value {$items = $this.SelectedItems foreach ($item in $items) { if ($item -is [System.Windows.Controls.Listboxitem] -and $item.Tag) { $item.Tag } else { $item } } } -PassThru } |