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Filter by week: 1 2 3 4 5 Marshalling problems Posted by Daniel at 6/14/2004 6:09:02 PM Hi, I'm having trouble converting a C++ structure to C#. This is the
definition of the C++ structure:
struct PLUGIN_PUBLISH_LIST
{
int nCount;
char sName[50][128];
char sValue[50][128];
char sHelp[50][256];
};
So basicly its a array of 50 strings for each, with a 128/256 ch...more >>
C# unable to ByRef a variant parameter where VB.NET can Posted by Nate at 6/14/2004 4:32:53 PM Hello,
I am using an ActiveX control in a C# (vs 2003) forms based application.
There is one particular method that I can't use in C#, but strangely I am
able to use with VB.Net.
The method (actually a function that returns a Long) is called
"WriteMultiVariables" and takes 3 parameters:
(i...more >>
TypeLibTypeAttribute is not exported to TLB when using tlbexp! Posted by Hani Atassi at 6/14/2004 2:50:01 PM When using the tool tlbimp, it uses the attribute TypeLibTypeAttribute where applicable to set additional flags on types.
I was wondering why when specifying TypeLibTypeAttribute on my classes then generating the TLB using the tool tlbexp, the attribute is ignored?
Is this a bug in tlbexp or ...more >>
How do I deploy my RTD Server (Registered for COM Interop)? Posted by mburkhart NO[at]SPAM mail.com at 6/14/2004 1:41:58 PM What's nice about RTD (vs. DDE) is that excel can start the RTD/COM
server just by typing "=RTD("myserver",...)" into a cell.
I've written an RTD server in C# that runs great on my development
machine, but I'm having a heck of a time figuring out how to register
it correctly for COM interop on...more >>
transforming lparm to a Rectangle structure Posted by kurotsuke at 6/13/2004 5:05:40 PM Hi,
I'm working with C# and I'm overriding the WindowProcedure the catch
the WM_MOVING message. How can I convert the lParam object passed by
the Message to a Rectangle so that I can change its dimensions and
pass it back to lParam?
Any help will be appreciated.
Thanks.
Andrea...more >>
Differences in ways to wrap .NET objects for use in COM Posted by Everett Conrad at 6/13/2004 4:33:01 PM I am curoius about the different ways to create .NET components for use in COM (in particular, VB6). What is the difference between using the IDE template to create a COM-compatible class (example below):
' BEGIN CODE
<ComClass(TestCOMClass.ClassId, TestCOMClass.InterfaceId, TestCOMClass.Even...more >>
Automation Server in .NET? Posted by Max Samookha at 6/12/2004 1:32:12 PM Can anybody tell a newbie how to create in a .NET language an Automation
Server, so that it's running instance could be accessed from VB with
GetObject(, "MyServer.Application") like an Office application. Maybe
any docs on this topic? Thanks
...more >>
Retrieving URLEcho from IE using C#? Posted by Dave Gustafson at 6/12/2004 12:02:24 PM Is there a preferred way of monitoring activity in IE from a .NET based
application? It used to be possible to register for URLEcho events with a
DDE server. Since DDE isn't directly supported by .NET, it seems that there
should be some relatively straightforward way to do this, but I can't fin...more >>
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MAPI and P/Invoke Posted by David B. Bitton at 6/11/2004 7:48:59 PM I am coding an Outlook 2003 plugin in C#. It has become apparent that the
only way to get at the data that comprises an email attachment without
saving it to disk first is to use the MAPI. The call to MAPIInitialize is
no problem and returns with an S_OK. What I'm not quite sure how to do is
...more >>
Static Methods in Interop Posted by Chandru R at 6/11/2004 1:33:06 PM Hi,
Is it possible to access static methods / properties of a .NET object using
COM Interop? If so how would I access these methods in VB?
Thanks
Chandru
...more >>
'Class is not licensed for use' COM Interop Exception Posted by Sameer Motwani at 6/11/2004 12:31:34 PM Hi,
I have written a .Net Application in C# which does database replication for
Access 97 databases.
In the app I used COM Interop to use the ActiveX DLL Dao350.dll. I tested
application on both Windows 2000 and XP and it was doing fine.
I even deployed the application on one of our client mac...more >>
RegAsm warning Posted by Ram Kumar via .NET 247 at 6/11/2004 4:32:09 AM --------------------------------
From: Ram Kumar
Hi All,
I am getting the following error when I am trying to register a=
=2Edll file=2E
"RegAsm warning: Registering an unsigned assembly with /codebase=
can cause your assembly to interfere with other applications=
that may be install...more >>
Second CoCreateInstance for .NET component failing Posted by Sandeep Limaye at 6/10/2004 10:31:14 PM Hi,
I have created a .NET assembly using C# and converted it to a dll for COM
interop (by setting the option for COM interop to true in the IDE project
properties window). It has got registered, and I am able to CoCreate the
component from a VC6 client as well.
But, the problem arises when ...more >>
gurus! can someone please translate this article? Posted by Amadelle at 6/10/2004 6:08:33 PM Hi all and thanks in advance, please bear with me as I will try to explain
my problem:
I have a .NET dll which I have created (written in C#). which I would like
to access through T-SQL's extended procs. I have successfully managed to do
this on my local machine which is running SQL 2K + XP ...more >>
CryptRetrieveObjectByUrl parameters? Posted by Jon G at 6/10/2004 4:44:59 PM Hi,
I´m trying to call the CryptoAPI-function CryptRetrieveObjectByUrl from my
C# project. At the moment I´m using a C++ - dll in order to call the
function with the following parameters:
CryptRetrieveObjectByUrl( My_LDAP , CONTEXT_OID_CRL , dwFlags, 30000 ,
(LPVOID *)&pMyCRL, NULL , NULL ...more >>
.NET dll works on one server and not another Posted by Amadelle at 6/10/2004 4:42:21 PM Hi all,
I have a C# assembly which I am trying to access as a COM object through
classic asp code. I have achieved this successfully on my own local machine
(isn't always like that? "works on my machine!"). However after installing
it exactly the same way on another server, the same asp code f...more >>
Retrieving COM Interface Posted by Jody Gelowitz at 6/10/2004 9:16:45 AM Has anybody been able to determine the interface of a COM component based on
a path?
Essentially, what I am looking at doing is passing the path to a COM
component into my VB.NET application. The output that I want will contain
all public Classes, Methods, and Properties. I understand that t...more >>
ADODB and ADOR interop Posted by Raghu at 6/10/2004 8:58:45 AM The ADODB is exposed as .net component in .net framework. However I could
not find related .net component for ADOR. Is there a way to get or create
this for use with .net framework?
Thanks.
Raghu/..
...more >>
Consuming .NET components from VC++ 6.0 Posted by Lee Gillie at 6/10/2004 8:37:14 AM I've been banging on this for hours, and beginning to think there may
be problems in the approach.
A class was implemented in VB.NET which performs encryption. It has
been tried in both a test harness, and at least one .NET application,
and seems solid. I've been told to use this functionality...more >>
Passing strings back from COM server when using late binding Posted by Jacek Krolikowski at 6/10/2004 6:21:32 AM Hi,
I'm trying to access a COM object that only supports late binding.
This is how it works using VB6:
'Create an S_PLUS application object
Dim pApp As Object
Set pApp = CreateObject("SPLUS.Application");
Dim v1 As Variant, v2 As Variant
v1 = CVar("3D")
v2 = CVar("3D Line Plot")
bSucces...more >>
WinForms component parented as an MDI child in a Win32 app? Posted by MarkB at 6/9/2004 4:05:48 PM We have a WinForms component in it's own assembly which is used in our .NET
desktop app; the window is set by the app to be an MDI child in the app's
MDI window.
The component can also be used by other .NET apps that set a ref to our
library. Lastly, the component can also be used as a standal...more >>
aximp and delaysign Posted by Sunny at 6/9/2004 4:03:56 PM Hi,
I'm trying to prepare ActiveX wrapper with delaysign. I use the
/delaysign and /publickey: options, but I receive:
AxImp Error: The /delay option should be used with /keyfile or
/keycontainer.
I'm using VS.Net 2003 and framework 1.1
In the docs it is written that I can use delaysign ...more >>
Excel Reference in .NET 2003 Posted by hzgt9b NO[at]SPAM nopost.com at 6/9/2004 2:18:02 PM In my Project explorer, under my project I have a listing for references. Under references I have one for Excel - when I do a right-click properties I see that the name of the reference is "Microsoft Excel 10.0 Object Library" - which corresponds to Office XP's version of Excel on my machine (right?...more >>
regasm could not load type Posted by Steven Campbell at 6/9/2004 11:46:04 AM I have a .NET DLL that has the following inheritance structure (each object
inherits from the object above it):
BaseObject (VB6 COM DLL)
COM Interop DLL (.NET)
Abstract BaseObject (.NET)
Abstract BaseObject2 (.NET)
Concrete Object (.NET)
To complicate matters, the Concrete .NET Class nee...more >>
QueryInterface for interface xxxx failed Posted by Scott at 6/9/2004 11:07:05 AM I am somewhat new to .net so if this is a stupid question please forgive me. I
have a dll that was written in VB6, that I am trying to use with asp.net. I have
been developing the site on my local machine, and have deployed to our test
environment successfully. Now I am trying to get this to work...more >>
Excel Reference... Posted by hzgt9b NO[at]SPAM nopost.com at 6/9/2004 6:57:02 AM In my Project explorer, under my project I have a listing for references. Under references I have one for Excel - when I do a right-click properties I see that the name of the reference is "Microsoft Excel 10.0 Object Library" - which corresponds to Office XP's version of Excel on my machine (right?...more >>
Invoke default method on IDispatch returned from "object" property? Posted by Robin Tucker at 6/8/2004 2:36:52 PM
Hiya,
I'm using the WebBrowser control to embed an OLE object on my VB.NET form.
My VB code manages to find the object I'm interested in from the WebBrowser
object model via. the IHtmlObjectElement.object property. This, I assume,
returns a pointer to an IDispatch interface. How can I invo...more >>
How to interop VARIANT return type in C++ COM client? Posted by roynorthyork NO[at]SPAM yahoo.com at 6/8/2004 7:08:51 AM Origional method is:
public Object GetAttribute( String attrName )
After interop, the method in TLB is:
VARIANT GetAttribute([in] BSTR attrName);
but when I try to call this in VC++ COM client app, I met run-time
error:
Run-Time Check Failure #0 - The value of ESP was not properly saved
...more >>
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