try using System.Reflection.Missing.Value;

Mac Dyer

09-30-2005 04:26 AM
Rag

Hi all, i have a .Net assembly exposing a Com object (basically a CCW). I want to expose the Constants which are strings defined in the .Net...

Ranjeet Bhosale

09-30-2005 01:03 AM
Ranjeet Bhosale

Hi, I have a class in C# that has an IDispatch event interface. I then create a type library for this assembly so that I can create an unmanaged...

Tim

09-29-2005 11:00 AM
Tim

Hello. Don't know if this is the right group, but my problem involves COM interop, hence the post to this group. We have a simple API which we use...

Christer Brinchmsnn

09-29-2005 05:03 AM
Christer Brinchmsnn

Hope you don't mind some questions from an interop newbie ('m not even sure what questions to ask, but I want to learn) ... I'm trying to access a...

Karen Kenworthy

09-27-2005 10:33 PM
Karen Kenworthy

Hello everybody, assuming Windows Media Encoder 9 is installed, this vbscript runs fine: - Set encoder =...

stax

09-27-2005 06:17 PM
stax

Hi there, i hope anybody can help or just give a hint... using C#, i try to get an instance of a COM-class of the ShellAPI, IShellIcon in this case...

taj

09-27-2005 04:10 PM
taj

I’m trying to write an object of which there must be only one instantiated on a PC at any given time. It handles socket based communications, so...

Rob White

09-27-2005 07:25 AM
Rob White

I have a VB.net application which creates two threads (A&B). In Thread A I create an instance of an object contained in a COM dll which performs...

Brook

09-27-2005 06:35 AM
Robert Jordan

Hi, I have a load of COM objects written in C++ with the threading model set to Any Apartment. I am calling these COM components from C# class...

Julian Jelfs

09-27-2005 05:08 AM
Julian Jelfs

Hi I am terribly sorry to disturb you all with this probably very simple question... but I have searched the net for two hours, and there are a lot...

Jan Eliasen

09-27-2005 05:06 AM
Jan Eliasen

Hello ! I hope someone can help me on this : I've a C-written .dll where I do some basic inheriting : /*** START OF C CODE ***/ typedef struct {

Thomas Weiss

09-27-2005 02:36 AM
Thomas Weiss

Hi, I have a .net component that is accessed via COM by an external VB6 application. This component is basically proxying calls to a Web Service on...

AT

09-26-2005 05:34 PM
AT

I'm using some example code from http://www.codeproject.com/csharp/DesktopSearch1.asp?df=100&forumid=190772&exp=0&select=1153650 to parse PDF files...

Brian

09-26-2005 04:10 PM
Brian

I have some legacy C++ code that I'm trying to call from c#, and I've run into a couple of roadblocks. For the most part, the COM interop works...

AT

09-26-2005 03:29 PM
AT

I have a stand alone c++ program that uses SendMessage to communicate with a stand alone C# program. The c++ program looks like this hWind has...

Ken Beauchesne

09-26-2005 03:28 PM
Robert Jordan

Hi I don't want to factor out my public functionality into interfaces, suppress the ClassInterface, use ClassInterfaceType.None...

AT

09-26-2005 07:04 AM
AT

The issue seems to be related with the known issue with .Net framework SP1 http://support.microsoft.com/?id=317109 Office application does not quit...

AT

09-26-2005 04:31 AM
Willy Denoyette [MVP]

Hi everybody, I have some troubles with using my managed C#.Net code in unmanaged C++ code through COM. I have troubles with passing C# objects to...

AT

09-25-2005 06:37 AM
Willy Denoyette [MVP]

Hi, I have a Vb6 DLL Called from csharp which is a report object. It can fetch data properly, however, when I run 2nd, 3rd, 4th time with differenct...

RC

09-25-2005 04:35 AM
Robert Jordan

Hi VBScript reports 'Invalid class string' on execution...

Bart

09-24-2005 01:47 PM
Bart

Hi, I have followed the advice by Adam Nathan in his ".Net and COM - The Complete Interoperability Guide" to develop a COM component in C#...

Bob

09-24-2005 05:39 AM
Robert Jordan

Hi guys, I have an activex component that works well with html it is used for my web camera. I want to make my own custom app using this component;...

gencode

09-23-2005 10:32 PM
gencode

Hi Guys: I'm facing a strange behavior when trying to invoke and open a Word document through my aspx (vb.net) file. I'm working with Office 2003 and...

Kash

09-23-2005 09:42 AM
Robert Jordan

Thanks, Mattias. "Mattias Sjögren" wrote:

Tahir Sultan

09-23-2005 04:24 AM
Tahir Sultan

I have a managed component that I am calling from a vb6 client. I would like the ability to debug both the client and server components. In vs.net,...

dcali

09-22-2005 09:17 PM
dcali

Thanks Mattias. I did this and everything worked fine. I even added a new class, new mthod to the existing class in the .net dll but there was no...

shesh

09-22-2005 04:22 PM
shesh

I have an assembly that was provided to me by a clients developer. This assembly exposes some functionality of a third party Activex object. The...

Harry

09-22-2005 02:26 PM
Harry

I am creating a new app in .NET (VS 2005, C#). A good amount of the underlying code (structures, classes, etc) produced for this project must also be...

rob

09-22-2005 12:32 PM
Vadym Stetsyak

I am developing a .NET 2003 app that reviews Word and Excel documents via a third party component that does NOT require Word or Excel to be loaded...

Michael Jackson

09-22-2005 11:12 AM
Michael Jackson

In other forms of BASIC and even other languages, we have been able to read X byte fixed length records over a field record layout. It seems very...

Lee Gillie

09-22-2005 10:44 AM
Lee Gillie

hi, we have a .net component that we want to call from a vb6 application. The .net component doesn't have a strong name and we don't have the...

Naim

09-22-2005 10:06 AM
Kaustav.

Hello! I got a .NET application (Form). In one of the subforms (panels) I run a thread which is an unmanaged Win32 code. I pass the handle of the...

Macko

09-22-2005 09:52 AM
Macko

I know to call .net code from COM you regasm the assembly and so on, butt... I have a situation where I need to call a .Net assembly from VBScript. ...

EP

09-22-2005 08:57 AM
TDC

Hi everybody: I have a lot of word documents containing mathematical concepts which are created by using Word's equation editor. What I want to do is...

Kash

09-22-2005 06:43 AM
Kash

I need some help with the following: Assume I have a dll that has a function MyStrcpy that does exactly the same as strcpy. The dll was written in...

rob

09-22-2005 02:52 AM
rob

hai groups... Is CCW,RCW are same as the one in the surrogate process(DllHost.exe) ? ie, there is wrappers like factory wrapper(IclassFactory) and...

BabuLives

09-22-2005 02:32 AM
BabuLives

As I understand, there are no PIAs from Microsoft for VBRUN or VBA (Correct me if I am wrong). What does MS suggest you do if you want to sign a...

Brian R.

09-22-2005 01:34 AM
AT

I have to create a dll that: 1) can be used in a VS 2005 windows app project using C# 2) can be used in a VS 6 MFC project (using C++) 3) is not...

rob

09-21-2005 05:49 PM
rob

Hey guys, I'm wrapping a C lib in C#. The C lib has a callback which I pass a C# delegate, which passes me a struct, but the struct has fields in it...

Simon

09-21-2005 01:32 PM
Simon

My VB.net application generates the following error will trying to access the MSHTML class. An unhandled exception of type...

Curtis

09-21-2005 12:44 PM
Curtis

Hello. I need to call a function of a ActiveX-Component which is declared as: short StoreDoc( char * DocPath, VARIANT * Values ) The documentation...

Sebastian W

09-21-2005 09:52 AM
Sebastian W

Hi I'm exposing a simple VB.NET object for use by COM. If I expose the class using the following...

AT

09-21-2005 05:30 AM
AT

Hi, we use tlbimp to generate interop assemblies ,would like the assembly version to be different to the file version. The /asmversion stamps both to...

John H

09-21-2005 04:23 AM
John H

Hi Folks I installed service pack 3 for Office XP a couple of days ago. On my dev box when I opened up my application (which contains web...

Mark

09-20-2005 06:55 PM
Mark

Hi All, Does anyone know of a way (in .NET) to determine if a Word or Excel file is currently locked for editing by another user BEFORE trying...

Mike Loux

09-20-2005 03:53 PM
Mike Loux

I saw this nifty article which describes how to add the .NET framwork itself as a reference to your VB6 project. (Guys don't jump on me, this is a...

Joseph Geretz

09-20-2005 01:48 PM
Joseph Geretz

Hi, I have an WinForm app that is described bellow: 1. The main app 2. A Form that's shown as .ShowDialog() 3. A User Control inside this dialog...

VR

09-20-2005 01:37 PM
VR

Hi All, I'm having trouble figuring this out. I have a C# object, which is exposed to COM, and fires events. I also have a COM object that...

Tim

09-20-2005 11:58 AM
Tim

Good Day, I am having some issues in using a VB6 ActiveX control in a .NET project. The ActiveX control is failing on the following line of code If...

Dan

09-20-2005 08:08 AM
Dan