Hi, I'm having trouble using a RCW for a dll I created, I receive the "Access is Denied" error message from my ASP.NET application. In my MCP 70-315 book I read that the directory containing the COM dll needs to have write permissions for the User. -- I haven't seen this advice anywhere on t...more >>

Hi again, I created a thread some days ago, while I was trying to access a C++ DLL using my C# program. First of all, I want to thanks all the guys who helped me. But I still have a problem... My C++ DLL has a function which has the following prototype: long FF_Function(void...more >>

Greetings, I'm trying to join a computer to a domain by using NetJoinDomain from netapi32.dll. I found the signature on pinvoke.net, but am having difficulty getting it to work. I was hoping someone could check my code to make sure that I am doing it right -- (this is one of my first forays...more >>

Is there a program to view all the functions in a dll ? For example assume that I want to see all the available functions in kernel32.dll... Gabriel Lozano-Morán ...more >>

I'm dealing with a legacy C DLL and I need some help & guidance with one of the structures and functions. We have a link list structure defined as: typedef struct OurLinkList { OurLinkList* pNext char chValue[1]; } OurLinkList; To allocate a node in our C code, we ...more >>

I'm wanting to create a quick interop version of a COM ocx and am doing so using tlbimp.exe. The problem is that now, I want the output to be readable by my progam so that my program can write the .Net vesion of the events inside my program. I had hoped I would be able to simply use xsd an...more >>

I posted a message on 11/17 and as a Microsoft Certified Partner, when using this alias, we are supposed to get a guaranteed turnaround. Does anyone else have problems with Microsoft recognizing and responding to partner posts? I double checked and my alias is connected to my account, which ...more >>

Hi, I've got a problem storing a string into unmanaged memory, witch can't be restored to managed code. I've build a NT Service manager, witch acces the Service properties throug advapi32 calls. I'm pretty sure the string is stored correct into the unmanged code, because thru the default window...more >>

Hi, I have created an assembley in vb.net by adding a class based on the component tempate to my project. I have a public function called send that has some parameters and returns a long type. I have built the project and used regasm.exe to generate a type library that is a COM Callable Wrapp...more >>

I am in a situaion where I have a set of idl files that I am building a ..NET assembly with. using midl and tlbimp. The problem that I have is that some of the interfaces return S_FALSE which I need to detect in my C# program. I can't modify the the idls and I don't want to do the ildasm/il...more >>

Hello, I received a C++ DLL and I must include it in my C# programm. The problem is that I don't know how to convert the parameters from C++ to C#, specialy when there are pointers in it. There are 2 fonctions I would like to convert. The first one has only one parameter, b...more >>

I did this: Dim objWord = New Word.Application and developed a spell check app based on it. For the above I found I had to add a reference to Microsoft Word 9.0 Object Library Now I'm wondering if someone running my app might have a Word that would work but is not Word 9.0 ...more >>

Hi, Too often I am presented with an HRESULT that I don't recognize. I know winerror.h has some, but where can I find ALL of them and up to date? I am now using VS 2005. -- Thanks in advance, Juan Dent, M.Sc....more >>

Gentlemen, I am considering writing a COM object I could use in a C++ 6.0 environment. Is .NET Framework required to be installed on host machine when using my ..NET COM object? Or is there an automated way of only having to register the mscorlib.dll? I would appreciate some enlightenment. ...more >>

Hi, I was wondering if anyone had any success in loading and unloading the .net framework from a process. I can successfully load the framework, load types into the default domain, and interact with those types. When the time comes to unload the framework, I call ICorRuntimehost.Stop (h...more >>

Hi, I want to obtain the name of the domain associated with the computer in the way it is displayed by the My Computer's Properties dialog. I've been using the native NetWkstaGetInfo method but it does not return the full name of the domain. Ex. Properties dialog display: Domain: web...more >>

I have a VB.NET app. calling to Excel using an interop assembly and am having huge, unreasonable performance issues. To save a workbook takes 5 to 6 times longer than under VB6. I've read up on the issues, but it's hard to believe that _any_ issue related to threading or marshalling could be l...more >>

I am trying to disable the the default behavior (pop-up) when doubleclick on object within Excel Chart. I created a program to try out Chart1_BeforeDoubleClick(). When run, This event behaves differently than the description described in the VSTO document. I use Cancel = true in the code....more >>

Hi I have a set of classes written in eVC++ Now what I need to do now is to export this classes to Dot NEt C#. So how do I do it? ...more >>