/// <remarks/>
public void BillOutstandingAmountAsync(BillOutstandingAmountReq BillOutstandingAmountReq, object userState) {
if ((this.BillOutstandingAmountOperationCompleted == null)) {
this.BillOutstandingAmountOperationCompleted = new System.Threading.SendOrPostCallback(this.OnBillOutstandingAmountOperationCompleted);
}
this.InvokeAsync("BillOutstandingAmount", new object[] {
BillOutstandingAmountReq}, this.BillOutstandingAmountOperationCompleted, userState);
}
/// <remarks/>
public void BillOutstandingAmountAsync(BillOutstandingAmountReq BillOutstandingAmountReq) {
this.BillOutstandingAmountAsync(BillOutstandingAmountReq, null);
}