I was asked by my boss to create representation of data by Graphs in VB 6 application. I checked the features of VB6 Graph control as well as Excel graphs. They are not good enough. I tried to find any third party ocx and all I found do not look good enough either. I found several .NET cont...more >>

Hi! Do .manifest files support 'Implemented Categories' entries of COM components? I could not find anything about it in the MSDN or internet. Cause these Implemented Categorie registry entries will be created the DLLRegisterServer function of my COM component. I don´t know how to merge ...more >>

I'm trying to slowly bring development of one of our web applications to .NET, so for the time being I want all additions to be written in ..NET. I figure we'll just create libraries for all new functionality and slowly move the framework over to .NET and before you know it we'll have a full .N...more >>

Hey All, I want to create an assembly in .Net that I can reference and use in VBA. I have a sample assembly that I've strongly named and that is loaded in the GAC. However, I can not see from within Excel. Please advise? Thanks & Regards, TC ...more >>

I have a COM dll which exposes the function as shown below DisplayPic([out] LPPICTUREDISP* pVal, [out] BSTR* text); When i use the object browser in Visual Studio 2005 this function shows up as Sub DisplayPic(pVal As stdole.IPictureDisp, text As String) I need to convert pVal given as stdol...more >>

Hello! I did some performance testing with ADODB interop object creation, and noticed that interop objects are created much faster on windows applications than ASP.NET. I tested it with this function on both platforms: Private Function CreateObjects() As TimeSpan Dim rsData As ...more >>

Hello, Maybe this problem has been discused many times here but I've spent several hours to find the answer with no luck. Basically, I have a c# class library exposed to COM. The client is written in unmanaged C++. One method of my c# class have a StringBuilder parameter. This parameter is ...more >>

I have two asp.net applications running on the same web server. Each application calls upon its own foxpro com object (dll file) that does some processing (they are not the same com object). Each of these com objects has its own strong named wrapper dll around it. Unfortunately, I cannot ru...more >>

Dear All , This is my first post - please go easy...! I have a DLL written in C++ that has the following function exported from it -: char** ListHandles(int *processID); The processID parameter is used to find all associated open file handles , this value is then written to to return...more >>

Hi, I'm currently using interop to expose functionality in a .Net assembly (written in VB.net) to vb6. Everything works fine and the exported TLB works. However, I'm not able to find the correct "helpstring" attribute that I can use to decorate each public method so that it is copied ov...more >>

Hi, I have a COM interface in C++ that it is used in my WebApplication ASP.NET. The question is: what the best way of release this com object. I already using something like this (each time I create an instance and then no needed her): Public Shared Sub ReleaseObj(ByRef obj As Object) ...more >>

Hi I know how to call external c functions in c# through DllImport. Now, i'm trying to call a c++ (unmanaged) class method, defined in an external .dll as static int myClass::myMethod, and i wonder if it is possible. I have used the VS utility dumpbin /exports "myDllPath" in the post-build e...more >>

All, Can anyone supply an example or reference to an example of using reflection to determine the data types contained in a stucture in C#? TIA, Bill ...more >>

Hello, First of I am very new to .NET 2.0... sorry if the question is very basic. Here is the deal. We used to develop in COM (VS 6.0). We have a bunch of objects that use the same interface. The interface is in an IDL file, shared between the projects. Now we're switching to .NET 2.0 (VS 8.0...more >>

Hey All, Just wondering if anyone else has experienced the same bug that I have in MS Word: Create a single class module called WordEventClass as follows: Option Explicit Private WithEvents m_appWord As Word.Application Private Sub Class_Initialize() Set m_appWord = Word....more >>

I have a machine with .NET Framework 1.0, 1.1 and 2.0 installed along with Microsoft Office 2000 (another machine with Office XP displays the same behavior). I have a managed COM add-in built with C# in Visual Studio 2005. Excel and Word are using CLR 1.1 so my add-in fails to load. PowerPo...more >>

I have a .net 2005 component that I want to distribute so it is accessible via COM. During development this works fine. I check the “Register for COM interop” on the compile tab of the .net project’s properties window and then build my project. Using a VB6 test project I can add a ref...more >>

Hi there, this is a newbie question. I have written an ActiveX Com object in VB6. Compiled, now I have my dll file; I have written in VB.NET 2003 the server application that handles it. But.. I don't know how to distribute the whole project! I mean. I don't know how to create an installation ...more >>

Hello, OK, I understand the whole .NET garbage collection idea. Specifically, C# destructors are actually finalizers which are called when the GC gets around to it. I created a C# class and made it's interface available as a COM object. I created a Visual Basic 6.0 application which us...more >>

Hi, I need to port COM DLL from Borland C++ Builder to C# (VS 2005). Can you please point me to a tutorial or an example of COM DLL in C#. Thank you. Gregory Khrapunovich ...more >>