/// <remarks/>
public void retrieveSignatureProofOfDeliveryLetterAsync(SignatureProofOfDeliveryLetterRequest SignatureProofOfDeliveryLetterRequest, object userState) {
if ((this.retrieveSignatureProofOfDeliveryLetterOperationCompleted == null)) {
this.retrieveSignatureProofOfDeliveryLetterOperationCompleted = new System.Threading.SendOrPostCallback(this.OnretrieveSignatureProofOfDeliveryLetterOperationCompleted);
}
this.InvokeAsync("retrieveSignatureProofOfDeliveryLetter", new object[] {
SignatureProofOfDeliveryLetterRequest}, this.retrieveSignatureProofOfDeliveryLetterOperationCompleted, userState);
}
/// <remarks/>
public void retrieveSignatureProofOfDeliveryLetterAsync(SignatureProofOfDeliveryLetterRequest SignatureProofOfDeliveryLetterRequest) {
this.retrieveSignatureProofOfDeliveryLetterAsync(SignatureProofOfDeliveryLetterRequest, null);
}