Copy listview1 to listview2 - powershell

Question

I'm trying to copy the checked item in ListADGroup and copy to ListADGroup2. ListADGroup updates with all the groups but when I try adding them to ListADGroup2 it copies the right amount checkboxes but they are empty. Im not sure what is missing from the button command to copy the data properly.
Add-Type -AssemblyName "System.Windows.Forms"
Add-Type -AssemblyName "System.Drawing"
Add-Type -AssemblyName PresentationFramework
Clear-Host
#== Create a New Form ==#
$TSTAPP=New-Object System.Windows.Forms.Form
$TSTAPP.topmost=$true
$TSTAPP.Text="Test App"
$TSTAPP.Location.x=750
$TSTAPP.Location.Y=330
$TSTAPP.Size=New-Object System.Drawing.Size(750,330)
#== Now Lock the form so it cannot be re-sized ==#
$TSTAPP.MaximumSize=New-Object System.Drawing.Size(750,330)
$TSTAPP.MinimumSize=New-Object System.Drawing.Size(750,330)
#== Group List Label ==#
$GroupL = New-Object System.Windows.Forms.Label
$GroupL.Text = "Select Group:"
$GroupL.Location = New-Object System.Drawing.Point(4,5)
$GroupL.AutoSize = $true
$TSTAPP.Controls.Add($GroupL)
#== AD Users Listbox ==#
$ListADGroup = New-Object system.Windows.Forms.Listview
$ListADGroup.Width = 356
$ListADGroup.height = 220
$ListADGroup.location = New-Object System.Drawing.Point(4,22)
#$ListADGroup.Font = New-Object System.Drawing.Font('Microsoft Sans Serif',10)
$ListADGroup.CheckBoxes = $true
$ListADGroup.Name = "Main"
$ListADGroup.AutoArrange = $true
$ListADGroup.GridLines = $true
$ListADGroup.MultiSelect = $false
$ListADGroup.View = "Details"
$ListADGroup.AutoSize = $true
#$ListADGroup.Columns[0].
$ListADGroup.Columns.Add("Groups")
$AllADGroups = Get-ADGroup -filter * -SearchBase 'OU=Accounts,DC=domain,DC=internal' -SearchScope subtree -Properties Name | Sort-Object Name | foreach{[void]$ListADGroup.Items.Add($_.name)}
$TSTAPP.controls.add($ListADGroup)
#== AD Users Listbox ==#
$ListADGroup2 = New-Object system.Windows.Forms.Listview
$ListADGroup2.Width = 356
$ListADGroup2.height = 220
$ListADGroup2.location = New-Object System.Drawing.Point(370,22)
#$ListADGroup2.Font = New-Object System.Drawing.Font('Microsoft Sans Serif',10)
$ListADGroup2.CheckBoxes = $true
$ListADGroup2.Name = "Main"
$ListADGroup2.AutoArrange = $true
$ListADGroup2.GridLines = $true
$ListADGroup2.MultiSelect = $false
$ListADGroup2.View = "Details"
$ListADGroup2.AutoSize = $true
#$ListADGroup2.Columns.Width = 100
$ListADGroup2.Columns.Add("Groups2")
$TSTAPP.controls.add($ListADGroup2)
#== Add Button ==#
$AddGroup = New-Object system.Windows.Forms.Button
$AddGroup.text = "Add"
$AddGroup.width = 100
$AddGroup.height = 30
$AddGroup.location = New-Object System.Drawing.Point(265,249)
$AddGroup.Font = New-Object System.Drawing.Font('Microsoft Sans Serif',10)
$TSTAPP.controls.add($AddGroup)
$AddGroup.Add_Click({
$itm = $ListADGroup.CheckedItems
foreach ($items in $itm){
$ListADGroup2.Items.Add($items.name)
}
})
$TSTAPP.ShowDialog()

Answer 1

If you try to debug using ISE or Visual Code you will see that the property containing the name is called Text
So replace :
$ListADGroup2.Items.Add($items.name)
by
$ListADGroup2.Items.Add($items.Text)