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I am creating a COM Visible C# object to proxy calls to a webservice for VB6 application. I have a method that returns an array of objects. public DocActionReport[] DocActionReportByDateRange(System.DateTime reportStartDate, System.DateTime reportEndDate) { object[] results = this.Invoke("DocActionReportByDateRange", new object[] { reportStartDate, reportEndDate}); return ((DocActionReport[])(results[0])); } When I call this method via VB6, like so: Dim proxy As New QueueMovementServiceClient.ReadQueueInfo Dim report() As QueueMovementServiceClient.DocActionReport report = proxy.DocActionReportByDateRange(startDate, reportEndDate) It successfully executes (I can see that via logging on the web service) but no data is returned to the object in VB6 ( LBound(report) == 0, UBound(report) == -1 ). I have tried a couple of different approaches (changing the method to a void method and passing the collection in as a ref parameter) but no joy so far. What do I need to do to return an array of objects (list, collection, whatever) to a VB6 consumer?

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