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Filter by week: 1 2 3 4 5 dll & VS2005 & C# Posted by rob at 9/21/2005 11:52:32 PM 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 VS 6 C++. The project would look
like this something like:
BOOL APIENTRY DllMain( HANDLE hModule, DWORD ul_reason_for_call, LPVOID
lpReserved){
...more >>
HELP -- Good way to read "fielded" fixed-lenth records Posted by Lee Gillie at 9/21/2005 4:01:53 PM 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 problematic in VB.NET.
What we are trying is to have a 750 element byte array into which we
read with a FileStream. Then we Marshal.PtrToStructur...more >>
.NET optional feature using Word object model Posted by Michael Jackson at 9/21/2005 3:33:20 PM
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 on
the target system. However, we need to be able to retreive document
properties, such as Author, from the Word/Excel file that this third party...more >>
Getting rid of _Object Posted by emma_middlebrook NO[at]SPAM fastmail.fm at 9/21/2005 2:19:47 PM Hi
I don't want to factor out my public functionality into interfaces,
suppress the ClassInterface, use ClassInterfaceType.None and
ComInterfaceType.InterfaceIsIUnknown as attributes just to find that
when I use OleView my pretend coclasses implement some mysterious
interface _Object which my...more >>
PIA for VBRUN and VBA Posted by Brian R. at 9/21/2005 11:58:18 AM 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 VB
control instance via the aximp tool? Is the suggestion to sign our own copy
of VBRUN and deploy it to the GAC for use by our components?
Any ...more >>
How to dispose C# object created via VB6 COM component interop? Posted by natety at 9/21/2005 10:46:25 AM
I am having problems getting a C# component to release itself fro
memeory when calling it from a VB6 COM component via an interop. Thi
is what I am doing:
VB6 COD
Dim oInterOPConnect As Object
Set oInterOPConnect = oContext.CreateInstance("namespace.Interop")
oInterOPConnect.Save(szXML...more >>
Marshal union struct from C callback Posted by Simon at 9/21/2005 10:32:03 AM 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 that are
unions.
I'm having a hard time marshalling this.
Here is what the C struct looks like and how I have declared my version in
C#....more >>
Calling .net from COM (not the obvious) Posted by EP at 9/21/2005 9:15:07 AM 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. The
problem is that the type I need to create does not have a default constructor,
and thefore is not exported by regasm.
Is there any possib...more >>
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Doubt in CCW and RCW Posted by BabuLives at 9/21/2005 4:33:24 AM 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 ObJect
wrapper in the surrogate process...
what is the difference between these wrappers????????
Regards,
Satheesh babu
...more >>
Writing COM component in C# Posted by Jan Eliasen at 9/21/2005 12:00:00 AM 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 of webpages out there with the words n it that I have tried
searching for :-/
Anyway, I need a simple quick guide to how I cna write a dll in C...more >>
Exposing IEnumerable for COM interop with VB6 - Need help Posted by Bob at 9/21/2005 12:00:00 AM 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# which
exposes the COM enumerator thus exposing the IEnumerable as follows:
[
Guid( "84843982-800D-4B5B-84F3-78173EE1731B" ),
Description("The S...more >>
Help: Office XP Service pack 3 has (I think) killed my application :@( Class not registered Posted by Mark at 9/20/2005 10:34:04 PM 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 controls
etc.) I got errors straight away. I got round the errors by changing a
couple of references relating to AxInterop.OWC10 and 11 (sorry for being...more >>
hiding System.Object from COM ?? Posted by emma_middlebrook NO[at]SPAM fastmail.fm at 9/20/2005 7:07:23 AM Hi
I'm exposing a simple VB.NET object for use by COM.
If I expose the class using the following attribute
System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.AutoDual)>
then in the .tlb file I get all the System.Object methods ...
Any ideas...more >>
referencing a .det component without a strong name from a vb6 app Posted by Naim at 9/20/2005 5:50:53 AM 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 code
for the .net component.
Is there any way to call the .Net component from the vb6 application ?
or is it just impossible ?
regards
*** Sent...more >>
Question about default parameters in COM type lib and use in C# after using tlbimp.exe Posted by Mac Dyer at 9/19/2005 9:33:49 PM Hi there. I have a COM DLL that I have converted into an interop assembly
via the tlbimp.exe tool. One function that I am trying to use now in C# has
a default parameter defined in my IDL file:
HRESULT Convert( [in, defaultvalue( "" )] BSTR file, [out, retval] long
*count );
When I try t...more >>
My c# app crashes on closing due to AxWebBrowser - I need some ide Posted by david hodgson at 9/19/2005 6:14:01 PM However it happens after the managed code had been unloaded. The error
message I get says
The exception ( 0xc0020001) occurred in the application at location 0x7c81eb33
this appears to be happening as it's trying to unload the activeX control,
which is then trying to call back into managed...more >>
How to turn-off Timer that calls MSCOMM32.ocx on Form's closing event Posted by VR at 9/19/2005 3:30:28 PM 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 form
4. An instance of MSCOMM32.ocx inside this user control
The scenario is:
1. When the dialog form is loaded, it starts a timer (that has an...more >>
Handling events for FaxServer Posted by Richard at 9/18/2005 1:11:08 AM Can anyone please give me some help regarding how do you handle events for
FaxServer through .NET ie C# . My problem is I would like my application to
be notified of the events that have been fired.
Once I have called connectSubmit I would like the event,
FaxServer_OnOutgoingJobChanged to b...more >>
How to load add-ins into a OWC spreadsheet control? Posted by Shmuel Cohen at 9/17/2005 7:24:15 AM I'm writing an application that embeds the OWC spreadsheet control, but I
also want to load/unload several external excel add-ins (.XLA) - how can
this be accomplished (I'm using C#)?
...more >>
COM calling .NET methods, and inherited interfaces. Posted by Gemma M at 9/16/2005 10:38:58 AM Hi,
I have a COM component which calls methods on a .NET object. However, some
methods originate in an inherited interface. COM cannot "see" the inherited
methods.
In the code fragment below, if a COM component creates an instance of Child
class, it cannot "see" the property ParentKey....more >>
I need to call CoInitializeEx(IntPtr pvReserved, uint dwCoInit); pvReservered = null, so what is the value of COINIT_APARTMENTTHREADED? Posted by Uchiha Jax at 9/16/2005 12:00:00 AM I've been recently getting around a lot of issues with the
DirectX.AudioVideoPlayback.Audio class.
It's a difficult class to work with, bad enough to make someone write this
article:
www.codeproject.com/cs/media/DirectX9_media_playback.asp
I however don't want to use Media Player as the au...more >>
How to pass VBA Collection to/from VBA macro when calling from C#? Posted by Gary McGill at 9/15/2005 11:31:32 AM I have a COM add-in written in c# that calls a VBA macro embedded in a Word
document. (It invokes the "Run" method of the application object using
InvokeMember).
I can successfully pass simple parameters (string, etc.) and receive a
simple return value but what I'd really like to do is pass & ...more >>
Word/Excel check for an existing file lock Posted by Mike Loux at 9/15/2005 7:52:05 AM 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 to
open it?
I am using the DsoFramer control to embed Word/Excel documents into my
VB.NET app, and when a user tries to open a file that is locked b...more >>
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