To reproduce: - Add RadMenu with some items to a blank form. - Initialize the menu like this: Me.RadMenu1.RightToLeft = System.Windows.Forms.RightToLeft.Yes Me.RadMenu1.DropDownAnimationEnabled = True Me.RadMenu1.DropDownAnimationFrames = 30 Me.RadMenu1.DropDownAnimationEasing = RadEasingType.OutElastic - Show the item drop down manually : Private Sub RadMenuItem_MouseHover(sender As Object, e As EventArgs) Dim item As RadMenuItem = TryCast(sender, RadMenuItem) If item IsNot Nothing Then item.DropDown.Show() End If End Sub