Rating Thread / Thread Starter	Last Post	Replies	Views
Triple pointer Can anyone shed some light on how to use p/invoke with a triple pointer? Code: int createfile (int argc, char ***argv){..} Many thanks, JDQ AT	08-21-2004 07:54 PM AT	0	16
COM Interop: jagged array returned from COM server I am using a COM server, in which one of the methods returns a jagged array. Specifically, a variant array of variant arrays. The initial array... KidO	08-21-2004 01:05 PM KidO	0	15
Using CCW with Word I have a COM client (Word XP) which talks to a .NET component (wrapped in a CCW) on the same machine. The latter uses a remote object to access a... sprungli	08-20-2004 01:02 PM sprungli	0	19
P-Invoke + IJW Failure I am seeing, to say the least, some very strange behavior when a C# module is making two very closely coupled interop calls, one through P-Invoke,... Leon Gorbaty [Bentley]	08-20-2004 08:34 AM Leon Gorbaty [Bentley]	1	17
System::DllNotfoundException occurs while loading a mixed dll Hi, I have implemented the ASP.Net Ihttphandler interface. Handler references the mixed dll (both managed/unmanaged code) that contains core C++... Abhishek Goliya	08-20-2004 04:40 AM Abhishek Goliya	0	22
Re: Translating String* to unmanaged strings Hi Juan, I think you may try to take a look at the MSDN for the three methods. e.g. StringToBSTR is useful for custom marshaling or when mixing... Jacky Kwok	08-19-2004 10:51 PM AT	1	16
Type.GetMethod returns null? hi matthias, are you sure? we definitely call methods and properties of COM-objects w/out any interop library: object comObj; // some type-less... Rory Plaire	08-19-2004 07:52 PM Rory Plaire	6	21
C# & Excel: How to set all cells w/in worksheet to 2 decimal places i.e. 234.56, 1.00, 0.00, etc For some reason my users don't appreciate seeing 0.1E-08 instead of 0.00 ... can't understand why. :-) I'm using the Office XP PIA's VS Net... BBFrost	08-19-2004 06:07 PM BBFrost	2	12
Re: type mismatch - string array from c# returned to vbscript client Thanks a lot Brian. You saved me a lot of time. - Alek --- Posted using Wimdows.net NntpNews Component - Post Made from... DotNetJunkies User	08-19-2004 09:35 AM DotNetJunkies User	1	11
Creating an IP Edit box Dear All, I just wanted to know how can I create IP edit box by implementing the base classes which exist in Windows. Yours truly, Alireza Alireza Haghshenass	08-19-2004 01:47 AM Alireza Haghshenass	0	12
RE: Reflection and casting to interface in .NET (C++) Nevermind. Figured it out. The answer? The interface you are implementing should be in its own assembly. The assembly using the interface and the... Harold Blankenship	08-18-2004 05:17 PM Harold Blankenship	0	13
Win32-C++-COM-Client Hy, I've created a very simple .NET-class which shall be my COM-server. Via Com Callable Wrappers (CCW) I want to use the functions of my server,... Ekim	08-18-2004 05:03 PM Ekim	0	16
JMS-style Topics The .Net program I am writing needs to use JMS-style topics. Is there a way to make a MS Message Queue work like a JMS Topic. Or is there a way... Jonathan Allen	08-18-2004 02:25 PM Jonathan Allen	4	14
System::DllNotfoundException occurs while loading a mixed dll Hi, I have implemented the ASP.Net Ihttphandler interface. Handler references the mixed dll (both managed/unmanaged code) that contains core C++... AG	08-18-2004 09:58 AM AG	0	12
Calling VB6 component that has ParamArray parameter I am trying to invoke a COM component (written in VB6) which accepts parameter of ParamArray data type. What would be the proper syntax in C# for... Bruno Miousse	08-18-2004 08:43 AM Bruno Miousse	2	11
Webservice and international chars Hello! I call, using C#, a webservice (UTF-8 encoded) that return a list of products. I get the requested objets. So far so good. But, in... AT	08-18-2004 03:38 AM AT	0	9
Getting System Events Hi Evenrybody, I just wanted to know whether there is a way to get system events(, for example when a process starts or when a process ends , I want... Alireza Haghshenass	08-18-2004 02:17 AM Bart Jacobs	1	10
Re: Crash during GC I forgot to post the function prototype of TestCrash, although it's in attached project. void TestCrash(IntPtr& varReturnIntPtr) dax <dax (AT)...	08-18-2004 02:11 AM Bart Jacobs	1	10
COM vs .NET Hi gurus, Does anyone can point me to a document about the differences between COM and ..NET? thanks in advance Boris. Boris Condarco	08-18-2004 12:16 AM Bart Jacobs	1	18
EnumWindows I have written a Windows service in C# which can start other EXE files in a new process, e.g. protected override void OnStart(string args) { Process... Guido Kraus	08-17-2004 11:44 PM AT	2	21
Can .NETCF and J2ME interop? I've been developing projects - namely user controls - for the Pocket PC using Microsoft's .NET Compact Framework. Someone recently asked me if... Derrick	08-17-2004 07:28 PM Kris	1	15
Exposing WinForm Control (C#) as an ActiveX-Control Hi NG, does anybody know how to expose an WindowsForms Control written in C# as an ActiveX-Control ? I created a C#-Control, gave it the ""... Andreas Stürmlinger	08-17-2004 07:19 PM Kris	1	11
P-Invoke + IJW Failure I am seeing, to say the least, some very strange behavior when a C# module is making two very closely coupled interop calls, one through P-Invoke,... Leon Gorbaty [Bentley]	08-17-2004 05:27 PM Leon Gorbaty [Bentley]	0	13
Finer Points of Passing Null Values Another way is to use the System.Data.SqlTypes structs. An undocumented feature of these is that they are declared "sequential", which means... AT	08-17-2004 02:19 AM AnonymousHelper	1	14
RE: Calling a C function in C# I think that instead of trying to marshal this data structure using P/Invoke, you might want to write a Managed Extensions for C++ function that... AnonymousHelper	08-17-2004 02:03 AM AnonymousHelper	0	21
Class Inheritance I have a base class B, an inherited class A written in C#. As recommended way of interop, I create interface for both B and A. I create type... Christina Huang	08-17-2004 01:47 AM AnonymousHelper	1	10
missing19 methods Hi All, I hope someone can give me an idea as to why it is that, when I add a reference to a particular COM library, several methods (a few but not...	08-16-2004 04:08 PM	0	10
AccessibleObjectFromWindow in C# Hi, has anyone got AccessibleObjectFromWindow (oleacc.dll) working in C#? I'm trying to read the value of another process' RichTextBox. Thanks for... AT	08-16-2004 03:30 PM AT	0	18
interop overhead versus sockets? Hi Mattias, Thank you for your reply. Yes. One possible multiple-client server implementation would be to: * Use a C multiple-client named pipe... AT	08-16-2004 03:10 PM AT	1	13
EnumChildWindows Error I am using VB.NET 2003. I am trying to find a child window with a particular .Text value. I am finding this fine but I get an error when I try to... David Londeck	08-16-2004 09:18 AM David Londeck	0	16
Passing COM object to dynamically loaded Assembly Hi I have a C# ASP .Net Web application that links into a OLE Server application. I would like to add the facility to have plug-ins to allow for... AT	08-16-2004 06:45 AM AT	0	14
What happened to Properties in Access.ApplicationClass in Access 2003 ? I am developing vb.net app that works with MSAccess COM Object library, i generated RCW from VS.NET (Interop.Access.dll) on system with Access... Konrad Rotuski	08-16-2004 04:34 AM Konrad Rotuski	1	10
Wininet InternetSetOption and proxy auth Hi all Thist of all, sorry for X-posting, but the question involves both wininet and C# interop ;-) I wrote a simple FTP client in C# using... Federico Sasso	08-16-2004 03:55 AM Federico Sasso	2	23
free'ing unmanaged memory Hi all, I have some code that's accessing unmanaged code. Basically, it passes some arrays to the unmanaged code and then gets back a single array.... Joerg M. Colberg	08-16-2004 03:55 AM Dan Kelley	5	12
Tracking Kernel32:CloseHandle() Hello all, in a rather complex mixed (unmanaged C/C++, managed C++, C#) application, it happens regulary, that a P/Invoke call to... Ulrich Proeller	08-16-2004 02:49 AM Ulrich Proeller	0	11
Re: How to create a Binder subclass that allows byref parameters? Hi Juan, Do you mean the C# code and the VB6 dll code will both call an unmanaged dll? Have you tried to change the code based on my simple sample... Robert Jordan	08-16-2004 01:51 AM AT	3	14
Waiting for Object Calling UIActivate (from inside the HtmlEditor.dll control) hangs my P4s running Win2K. If I look at the thread using WinDbg/SOS it tells me that... Michael.McD	08-15-2004 05:13 PM Michael.McD	0	13
PInvoke failure Hi, I have run into a problem PInvoking native DLL functions where an argument (or return type) is a struct of four bytes or less. The issue seems... Mike	08-14-2004 06:50 AM Mike	0	14
Marshal C# String to ActiveX DLL I have an VB ActiveX DLL with a function the receives a string parameter. I want to call this function from C#. I made a reference to the DLL in my... Binder	08-13-2004 06:04 PM Binder	0	14
Setting System Time via ASP.NET Hello everyone I want to set the system time via a web user. I have configured the web application to use impersonation and it impersonates an... Aravind @Office	08-13-2004 04:39 PM Aravind @Office	0	8
.NET Class Implement COM Interface Mattias, Sure thing. Here is the relavent parts. PT_Tools is the COM interface defined inside a VB6 ActiveX... Jonathan Van Eenwyk	08-13-2004 02:53 PM Jonathan Van Eenwyk	2	11
Interop calls to Activeds.dll (replacing type lib) Bill, If you make following assumptions: 1. Private key is securely possessed by single party - intended assembly signer; 2. Verifier of signature... Bill Belliveau	08-13-2004 01:45 PM Bill Belliveau	9	24
Using tom interface to search a RichTextBox I want to search a RichTextBox using a Regular Expression. I've tried it using the tom interface but can't make it work. That is, it works for whole... Just Me	08-13-2004 01:38 PM Just Me	0	15
Unexpected behaviour of methods when executed. Hi All I have referenced a COM dll in my .NET assembly. The DLL has functions that interact with the database. When I execute functions that... Rajashekar	08-13-2004 12:30 PM Rajashekar	0	16
Pinvoke RAS calls I am try to GetProjection Info in XP Below are my definitions, but Method call keeps returning RAS error 632(Invalid structure size) can anyone... Frustrated Pinvoker	08-13-2004 09:30 AM BMermuys	1	19
Using interoperability to call a web service Hi! I'm working on an internet application which uses COM and NET components. ASP uses a COM component and that component calls to a NET Assmebly.... AT	08-13-2004 08:45 AM AT	0	16
Wrapping a COM component gives two interfaces Hi I've got a COM component that exposes one interface....IMyInterface. When I wrap the COM componet in C# using interop, and view it in the... Jon	08-13-2004 07:07 AM Jon	0	17
How to import function from unmanaged DLL that returns class pointer I've seen lots of examples on how to import functions dealing with simple user-defined structs. Can someone point me to a sample that shows how... Eskieboy	08-13-2004 06:44 AM barb	1	22
Re: How do I export C++ Class to C# and use constructor? But you can do at least something, to use your C++ class in C#. Here's sample code: // C++ struct MyInterface { virtual void sayHi() = 0; virtual... Alexandra	08-13-2004 05:45 AM Alexandra	1	14
Access violation inside mscorwks.dll after 5 COM interop calls? ..NET 1.1 SP1 resolves this - we cannot repro at all anymore with it. This KB article talks about the exact context our calls were, but in... jwf	08-12-2004 04:01 PM jwf	1	22

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