private void OnLayerMoveDropDownClick(object sender, ToolStripItemClickedEventArgs e)
{
e.ClickedItem.OwnerItem.Owner.Hide();
switch (e.ClickedItem.Name)
{
case "itemMoveTop":
_mapLayersHandler.MoveToTop();
break;
case "itemMoveBottom":
_mapLayersHandler.MoveToBottom();
break;
case "itemMoveUp":
_mapLayersHandler.MoveUp();
break;
case "itemMoveDown":
_mapLayersHandler.MoveDown();
break;
}
RefreshLayerList();
}