public void BeginSetBinary(byte[] aValueBin, CallbackAsyncComplete aCallback) { Invocation invocation = iService.Invocation(iActionSetBinary, aCallback); int inIndex = 0; invocation.AddInput(new ArgumentBinary((ParameterBinary)iActionSetBinary.InputParameter(inIndex++), aValueBin)); iService.InvokeAction(invocation); }