public void ListLocatorsAsync(object userState) {
if ((this.ListLocatorsOperationCompleted == null)) {
this.ListLocatorsOperationCompleted = new System.Threading.SendOrPostCallback(this.OnListLocatorsOperationCompleted);
}
this.InvokeAsync("ListLocators", new object[0], this.ListLocatorsOperationCompleted, userState);
}