public static Layer GetSafeStdLayer(string shopID, string layerID)
{
Layer layer = FindLayer(shopID, layerID);
if (layer == null)
{
layer = CreateHelper.CreateLayer(shopID, layerID);
string key = GetLayerKey(shopID, layerID);
InputMart.Instance.Layer.Add(key, layer);
}
return(layer);
}