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Filter by week: 1 2 3 4 5 App hung using COM behind the scenes Posted by Scott S. at 9/28/2006 11:39:01 AM I've got an app that is written in C# using background threads, etc. Two
days ago I added code to try to open an OledbConnection to a SAS file using
the sas.LocalProvider. It seemed simple enough but the app would hang
everytime it tried to open the connection in a background thread.
Afte...more >>
Interop from ASP -> .NET assembly, how to determine caller... Posted by Mwob at 9/28/2006 7:21:07 AM Hi all,
I have an assembly in .NET, that I expose to COM for interop by setting
the "Register for Com Interop" setting for the project to create the
TLB file.
This assembly is called from classic ASP pages (because its registered
with COM), and it is also called from other .NET assemblies t...more >>
Memory problems - something wrong with my code? Posted by Chris Ashley at 9/28/2006 5:49:27 AM I have been getting 'access violation reading location' errors
occasionally in my app. I have debugged this and found it is one of my
interop functions. Am I doing anything wrong here? The unmanaged
function takes a pointer to some bytes in memory and a long, and
returns a pointer which points s...more >>
MFC interop with .net UserControl - RCW non-deterministic cleanup Posted by Aled Hughes at 9/28/2006 1:44:01 AM Hi,
I have an MFC8 application that is using .net 2.0 user controls, either
hosted in a dialog box or a CWinFormsView. However, during this development I
have been experiencing random crashes - especially why I do something like
repeatedly bring up and dismiss a dialog that hosts a .net contr...more >>
IDL Posted by Thomas Freudenreich at 9/28/2006 12:00:00 AM It is possible to generate a IDL File in VS2005 C# if I have a ComInterop
project ? Or is there a tool that convert the existing Typelib into a IDL
Description ?
Thomas...more >>
underlying connection was closed: unable to connect to the remote server: COM --> .Net --> WebService --> Error Posted by Monty at 9/27/2006 9:28:57 AM OK, I had an issue with this and found lots of advice that did not apply, so
I'm posting what I found hoping it might help someone else. Here's the
sitch: you have a COM app that calls to a .Net assembly which in turn calls
a web service. You know the web service is reachable and that the COM ...more >>
disp interface Posted by Roy at 9/27/2006 6:52:01 AM I want to rewrite a legacy MFC COM code in C# and DO NOT want to modify and
compile any client code who uses the component at this time. Here is part of
the interface definition. The idl also expose some enum definitions. Any idea
if it can be do easily and how? Some of the interface do not re...more >>
Stepping through c# code in two different solutions Posted by paul NO[at]SPAM paullee.com at 9/27/2006 3:54:25 AM Hi everyone,
Hopefully someone can help, and that I'm asking in the right place!
I have two sets of solutions, both with source code. The first project
is an executable, the second a DLL. When I place a breakpoint in the
DLL code and step through it, going through
the call stack, the function...more >>
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Automation Error while creating a COM Wrapper object in VB6 COM Application Posted by Murtaza at 9/27/2006 12:00:00 AM I have a .NET managed class designed in C#, created COM Wrapper and am able
to create its object in Visual Basic 6 Desktop application.
I then created this .NET assembly object in Visual Basic 6 COM Application
method and created the object in it. while called the method from the ASP
client, it ...more >>
FreeHGlobal after PtrToStructure? Posted by Chris Ashley at 9/26/2006 1:01:45 AM Do I need to free any memory using InteropServices in this instance?
IntPtr ptrData = m.WParam;
SizeHeight imgType = new SizeHeight();
SizeHeight imgData;
imgData = (SizeHeight)Marshal.PtrToStructure(ptrData,
imgType.GetType());
...more >>
Managed DateTime to unmanaged DATE? Posted by Hyun-jik Bae at 9/26/2006 12:00:00 AM Is there any way to get DATE(typedef as double) value from .NET DateTime
object?
Please reply. thanks in advance.
Hyun-jik Bae
...more >>
Pass COM object as Function Argument Posted by Turtle at 9/25/2006 10:57:22 AM I've got a .NET application which needs to interface with a "legacy" VB 6.0
application. A great deal of the information the .NET application needs is
encapsulated in a class in the legacy application, so it would be great if I
could just pass an instance of the class to the .NET application....more >>
Referenced Assembly Posted by Erencan SAÐIROÐLU at 9/25/2006 12:00:00 AM Hi All,
I have referenced an dll my project. The dll has develop not .NET framework.
How can i create an assembly for this dll.
Please help me.
Thanks to all.
...more >>
CCW/AppDomain unloading Posted by lazerbeam at 9/23/2006 7:18:01 AM Hi,
I have a managed class which is being used by an unmanaged client (via COM
InterOp, Internet Explorer).
I basically understand how this works (IE calls CoCreateInstance(Ex), CLR
gets loaded, AppDomain(s) created, CCW created, yada yada ...).
Question: Is it possible that the host p...more >>
Effecient way from C++ byte[] to CLR object? Posted by Hyun-jik Bae at 9/22/2006 8:04:33 PM What is the effcient way copying byte block from native C++ code to CLR
object?
I know there is C++/CLI array<BYTE>, however, I don't think it will be
effcient because it needs loop and copy for each array element as far as I
know.
Please reply. Thanks in advance.
Hyun-jik Bae
...more >>
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