Hello, I've got a DLL function that return a void * pointer very similar to malloc(), and I need to cast it to a managed type. For this example, I'd be happy to cast it to a string type. Can anyone shed some light on how to do this in C#? Thanks! JW ...more >>

Hello, I have some VS 2005 code in which I am setting up a C# declaration of the Platform SDK header DEV_BROADCAST_PORT. That structure is declared in the Platform SDK header file dbt.h as follows: typedef struct _DEV_BROADCAST_PORT_A { DWORD dbcp_size; DWORD dbcp_de...more >>

Hi all, below is most of my code for my COM InterOp object (For those = following previous posts - I'm not using Inheritance any longer). My class Logging is implementing ILogging and exposing LogToFile() and = LogToScreen(). In the VB6 project the properties are showing up under = the ILogg...more >>

Hi, I'm currently investigating the possibility of upgrading an existing website (ISAPI written in Delphi) to an ASP.NET 2.0 application (Visual Studio 2005 - C#). The website itself communicates with an executable (ColPro.exe) that support COM+. The idea is that for every user (ASP.NET se...more >>

Hello! I have a vb.NET dll that I use from Excel. From Excel the functions in the dll is called. This works and has done so for a long time. But what has stopped working is debugging. After changing computer I can't debug calls from Excel to the component. Of course I have in the property...more >>

Hi everyone, I'm getting the following messages while trying to open a .tlb file I'm generating from VS2005... Msg1: MkParseDisplayName(... ""I:\DEV\CLA_Logging\CLA_Logging\bin\Release\CLA_Logging.tlb""...) failed. Invalid syntax MK_E_SYNTAX($800401E4) Msg2: The command line ("I:\...more >>

Hi. I suppose I'm not the first to ask this, especially given that I searched and found a few similar things posted here. None of them, however, answered my question. My question is this: I'm trying to pass a normal std::string from VC++ 6.0 to a C# DLL. My .cpp file for my VC++ console applic...more >>

Hello, I want to write a unittest that compares the property-values of a managed-object with the property-values of an object instantiated via interop. Background is: I have a vb6-class with many public properties. The properties will be filled by a Read-method from a file and can be written...more >>

Hello, I'm programming an C# application which uses Automation. The problem is when I quit the application a ghost of excel is always running (Can be seen in all processes with th task manager). What is the solution ? Thanks...more >>

I am developing an application which uses TAPI3 and a data modem. I want to receive a call using this application and then the caller will be able to hear some TTS in reponse. I could receive a call using TAPI3 APIS. but i couldn't answer the call. To be specific I could get the IBasicCall...more >>

Hey guys, I'm trying to get Com Interop to work for my class library I have wrote. It works fairly good for .net clients as is. So now I'm trying to add a COM Wrapper for it to expose it to a VB6 client. I have discover the best way to do this is to use the following attribute and an Inte...more >>

Hi, I have recently published an article on WCF at CodeProject http://www.codeproject.com/useritems/edujini_wcf_scart_01.asp It would be great the experts can provide a feedback on the same. Please note that this is my first article in the series. I have submitted Part-2 t...more >>

Hi All, I'm getting the following message in VB2005... "Warning 2 'Microsoft.VisualBasic.ComClassAttribute' is specified for class 'ComLogging' but 'ComLogging' has no public members that can be exposed to COM; therefore, no COM interfaces are generated. I:\DEV\CLA_Logging\CLA_Logging\Co...more >>

I have a project written in C#, which I then create a TLB from. In VC6 I import this .tlb which in turns generates a tlh file. Intellisense gets it's information from this .thl file ( I tested it). The only problem is that in the method declarations it always puts pRetVal as the name of the ar...more >>

I am writing a program to interface with ACT (a crm database ((version 6))) I had this done a year ago. I can't figure out what I did. I have found my old code and it's no longer working. I dont know why. I have since reinstalled the machine, so am not sure if the dll's are the same anymore. ...more >>

Hi! I have a problem with my development machine. The "VB6Object.ClassName" is a VB6 dll component that I have started in the background. Dim objectType As Type Dim obj As New Object objectType = Type.GetTypeFromProgID("VB6Object.ClassName") obj = Activator...more >>

Hi All, I'm getting the following error message while trying to re-build my solution (to create the .dll and .tlb files)... "Error 1 Cannot register assembly "I:\DEV\CLA_Logging\CLA_Logging\bin\Release\CLA_Logging.dll" - access denied. Access is denied. (Exception from HRESULT: 0x80070005 ...more >>

I'm writing test automation for a native dll using manage code. I know that I can use Platform Invoke to call exported, native functions from my managed code. What if the native function isn't exported? Can I still call it using P/Invoke? In this particular case, I DO have access to the s...more >>

Hi, I am building an application that is similar to spy++. I want the user to be able to click on a 'window' (textbox/combo/etc) and have it highlighted. BUT... the window they click on may share common coordinates with another window, so how do i find the topmost visible window, given a top...more >>