Estoy tratando de automatizar un correo electrónico, pero tengo un problema cuando intento enviar líneas desde el cuadro de lista; He intentado algunas formas diferentes, ninguna que estuviera cerca de funcionar. Además, no sé cómo usar la columna. Actualmente estoy tratando de hacerlo funcionar a través de

Dim listboxarr()
Dim i As Integer

For i = 1 To 500
'    v this is a listbox
     With selecteditems
         listboxarr(1) = .List(i, 1)
     End With
Next i

Este código me arroja:

Suscripción fuera de rango

Este es el código para el correo electrónico:

Private Sub addcb_Click()
Dim iCtr As Long

For iCtr = 0 To Me.allitems.ListCount - 1
    If Me.allitems.Selected(iCtr) = True Then
        Me.selecteditems.AddItem Me.allitems.List(iCtr)
    End If
Next iCtr

For iCtr = Me.allitems.ListCount - 1 To 0 Step -1
    If Me.allitems.Selected(iCtr) = True Then
        Me.allitems.RemoveItem iCtr
    End If
Next iCtr
End Sub


Private Sub removecb_Click()
Dim iCtr As Long

For iCtr = 0 To Me.selecteditems.ListCount - 1
    If Me.selecteditems.Selected(iCtr) = True Then
        Me.allitems.AddItem Me.selecteditems.List(iCtr)
    End If
Next iCtr

For iCtr = Me.selecteditems.ListCount - 1 To 0 Step -1
        If Me.selecteditems.Selected(iCtr) = True Then
            Me.selecteditems.RemoveItem iCtr
        End If
Next iCtr
End Sub

Private Sub CommandButton1_Click()

Dim listboxarr()
Dim i As Integer

For i = 1 To 500
'    v this is a listbox
     With selecteditems
         listboxarr(1) = .List(i, 1)
     End With
Next i

Dim OutApp As Object
Dim OutMail As Object

Set OutApp = CreateObject("Outlook.Application")
Set OutMail = OutApp.CreateItem(0)

On Error Resume Next
    .to = "Someone"
    .CC = "Someone else"
    .BCC = ""
    .Subject = "Something"
    .Body = listboxarr(1) 
End With
On Error GoTo 0

Set OutMail = Nothing
Set OutApp = Nothing

Private Sub UserForm_Initialize()

Dim itemsheet As Worksheet
Set itemsheet = Application.ActiveWorkbook.Sheets(6)

For Each itemname In itemsheet.Range("C2:C3285")
    With Me.allitems
       .AddItem itemname.Value
    End With
Next itemname

End Sub