winutil/functions/private/Add-SelectedAppsMenuItem.ps1

    function Add-SelectedAppsMenuItem {
        <#
        .SYNOPSIS
            This is a helper function that generates and adds the Menu Items to the Selected Apps Popup.

        .Parameter name
            The actual Name of an App like "Chrome" or "Brave"
            This name is contained in the "Content" property inside the applications.json
        .PARAMETER key
            The key which identifies an app object in applications.json
            For Chrome this would be "WPFInstallchrome" because "WPFInstall" is prepended automatically for each key in applications.json
        #>

        param ([string]$name, [string]$key)

        $selectedAppGrid = New-Object Windows.Controls.Grid

        $selectedAppGrid.ColumnDefinitions.Add((New-Object System.Windows.Controls.ColumnDefinition -Property @{Width = "*"}))
        $selectedAppGrid.ColumnDefinitions.Add((New-Object System.Windows.Controls.ColumnDefinition -Property @{Width = "30"}))

        # Sets the name to the Content as well as the Tooltip, because the parent Popup Border has a fixed width and text could "overflow".
        # With the tooltip, you can still read the whole entry on hover
        $selectedAppLabel = New-Object Windows.Controls.Label
        $selectedAppLabel.Content = $name
        $selectedAppLabel.ToolTip = $name
        $selectedAppLabel.HorizontalAlignment = "Left"
        $selectedAppLabel.SetResourceReference([Windows.Controls.Control]::ForegroundProperty, "MainForegroundColor")
        [System.Windows.Controls.Grid]::SetColumn($selectedAppLabel, 0)
        $selectedAppGrid.Children.Add($selectedAppLabel)

        $selectedAppRemoveButton = New-Object Windows.Controls.Button
        $selectedAppRemoveButton.FontFamily = "Segoe MDL2 Assets"
        $selectedAppRemoveButton.Content = [string]([char]0xE711)
        $selectedAppRemoveButton.HorizontalAlignment = "Center"
        $selectedAppRemoveButton.Tag = $key
        $selectedAppRemoveButton.ToolTip = "Remove the App from Selection"
        $selectedAppRemoveButton.SetResourceReference([Windows.Controls.Control]::ForegroundProperty, "MainForegroundColor")
        $selectedAppRemoveButton.SetResourceReference([Windows.Controls.Control]::StyleProperty, "HoverButtonStyle")

        # Highlight the Remove icon on Hover
        $selectedAppRemoveButton.Add_MouseEnter({ $this.Foreground = "Red" })
        $selectedAppRemoveButton.Add_MouseLeave({ $this.SetResourceReference([Windows.Controls.Control]::ForegroundProperty, "MainForegroundColor") })
        $selectedAppRemoveButton.Add_Click({
            $sync.($this.Tag).isChecked = $false # On click of the remove button, we only have to uncheck the corresponding checkbox. This will kick of all neccessary changes to update the UI
        })
        [System.Windows.Controls.Grid]::SetColumn($selectedAppRemoveButton, 1)
        $selectedAppGrid.Children.Add($selectedAppRemoveButton)
        # Add new Element to Popup
        $sync.selectedAppsstackPanel.Children.Add($selectedAppGrid)
    }