public Size Size { get; set; }

Public Property Size As Size

using DevExpress.XtraMap;
    private void Form1_Load(object sender, EventArgs e) {
        MapOverlay overlayWithText = new MapOverlay {
            Alignment = ContentAlignment.BottomRight,
            JoiningOrientation = Orientation.Vertical,
            Margin = new Padding(0, 4, 8, 8),
            Padding = new Padding(7),
            Size = new Size(700, 40)
        };
        overlayWithText.Items.Add(new MapOverlayTextItem {
            Text = "Copyright © 2022. Microsoft and its suppliers. All rights reserved."
        });
        map.Overlays.Add(overlayWithText);
    }

Imports DevExpress.XtraMap
    Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs)
        Dim overlayWithText As MapOverlay = New MapOverlay With {
            .Alignment = ContentAlignment.BottomRight,
            .JoiningOrientation = Orientation.Vertical,
            .Margin = New Padding(0, 4, 8, 8),
            .Padding = New Padding(7),
            .Size = New Size(700, 40)
        }
        overlayWithText.Items.Add(New MapOverlayTextItem With {
            .Text = "Copyright © 2022. Microsoft and its suppliers. All rights reserved."
        })
        map.Overlays.Add(overlayWithText)
    End Sub