37 lines
1.8 KiB
PowerShell
37 lines
1.8 KiB
PowerShell
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function Initialize-InstallAppArea {
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<#
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.SYNOPSIS
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Creates a [Windows.Controls.ScrollViewer] containing a [Windows.Controls.ItemsControl] which is setup to use Virtualization to only load the visible elements for performance reasons.
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This is used as the parent object for all category and app entries on the install tab
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Used to as part of the Install Tab UI generation
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.PARAMETER TargetElement
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The element to which the AppArea shoud be added
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#>
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param($TargetElement)
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$scrollViewer = New-Object Windows.Controls.ScrollViewer
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$scrollViewer.VerticalScrollBarVisibility = 'Auto'
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$scrollViewer.HorizontalAlignment = 'Stretch'
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$scrollViewer.VerticalAlignment = 'Stretch'
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$scrollViewer.CanContentScroll = $true
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$itemsControl = New-Object Windows.Controls.ItemsControl
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$itemsControl.HorizontalAlignment = 'Stretch'
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$itemsControl.VerticalAlignment = 'Stretch'
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$itemsPanelTemplate = New-Object Windows.Controls.ItemsPanelTemplate
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$factory = New-Object Windows.FrameworkElementFactory ([Windows.Controls.VirtualizingStackPanel])
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$itemsPanelTemplate.VisualTree = $factory
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$itemsControl.ItemsPanel = $itemsPanelTemplate
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$itemsControl.SetValue([Windows.Controls.VirtualizingStackPanel]::IsVirtualizingProperty, $true)
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$itemsControl.SetValue([Windows.Controls.VirtualizingStackPanel]::VirtualizationModeProperty, [Windows.Controls.VirtualizationMode]::Recycling)
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$scrollViewer.Content = $itemsControl
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[Windows.Controls.DockPanel]::SetDock($scrollViewer, [Windows.Controls.Dock]::Bottom)
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$null = $TargetElement.Children.Add($scrollViewer)
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return $itemsControl
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}
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