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all groups > dotnet interop > june 2005 > threads for june 8 - 14, 2005

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migration vb6 to vb.net
Posted by DavideR at 6/14/2005 2:19:01 AM
I Am trying to migrate a vb6 project to vb.net but in the upgrade wizard the conversion crash with a critical error (vbu.exe unspecified error ....) when the wizard is loading type library stdole I have vs2002 sp1 Framevork1.1 sp1 What can i do? Best regards Davide ...more >>


Hosting the IE browser in a UserControl
Posted by Glass Half Full at 6/13/2005 4:38:09 PM
I've created a very simple user control that basically hosts the IE browser. The purpose was to abstract some of the logic of setting the content of the browser from a string. I have a small problem with this control. When I use this control with a tab control (placing my browser control on ...more >>

ilasm and delayed signing
Posted by Brian R. at 6/13/2005 4:08:01 PM
I have some IL that I need to reassemble back into a primary interop assembly. I want my developers to be able to do this on their own, but I don't want them to have the private/public key pair. They have access to the public key. How can I have them assemble the IL (using ILASM) and dela...more >>

Showing Dialog form in Excel
Posted by test.file NO[at]SPAM gmail.com at 6/13/2005 1:34:24 PM
I'm working on a project (SDK 1.1) where we're automating Excel XP. We have an ExcelService class which is responsible to maintaining Excel object states and cleanup. The class also acts as a sink for the click events of several buttons that it creates in Excel Commandbars. Some of these but...more >>

getting window handle..
Posted by ve at 6/13/2005 1:33:51 PM
Hi, i am developing an application which me to call c++ code from c#. basically i have created idl for that in c++ and it worked fine. Now i want to pass window handle to the c++ code. I got the handle then i am passing Handle.IntPtr() to the c++ code. Basically in the c++ code i need to d...more >>

VB6.0 dll
Posted by Devs at 6/13/2005 12:59:02 AM
how i can use vb6.0 dll in vb.net -- mohan ...more >>

interop: Passing pointer to COM to efficiently receive large data chunk
Posted by Robert Schnitzer at 6/12/2005 9:21:18 AM
I'm writing COM to expose some unmanaged imagery generation functions to c#. My question is how to best (easiest, clearest coding style) pass a managed pointer to COM to receive back a loaded image: example 1: using safearray COM: process([in,out] SAFEARRAY* bytes) C# call: byte[] bytes = ...more >>

passing string array to C++
Posted by Bruce Parker at 6/11/2005 6:11:01 PM
I have an unmanaged api I need to call. The definition for it is the following: DLL_API int Adapt( Global* g, char** strings, int numStrings); I need to wrap this api in C++ and then pass a string array from c# to the wrapper api. Here is my attempt: C++ wrapper DLL_API long MyAdapt(...more >>



AppDomain.Unload leaks ?
Posted by greg at 6/11/2005 12:00:00 AM
Hi all, Can anyone tell me why the code below leaks? Here is what I do: 1) create new AppDomain 2) create an instance of AppDomain2Class in it, 3) call a AppDomain2Class.Run() method 4) unload AppDomain No additional assemblies are involved ( even if they were, unloading AppDomain suppose...more >>

Marshaling 2-Dim Arrays
Posted by rmacias at 6/10/2005 3:22:55 PM
I am currently writing a C# app replacing an old app written in VB6. Part of the app save it's structure contents to a binary file. The old VB6 app dumps the structure into the file via: Put #Fnumb, , MyVB6Structure It is critial for my app that I write to this binary file in the sa...more >>

Converting IDL interface to C#
Posted by peter.moberg NO[at]SPAM gmail.com at 6/10/2005 12:39:38 PM
Could someone please help me to convert this IDL interface to a c# interface. The thing Im having problems with is to convert the different parameter types.. interface IComponentAuthenticate : IUnknown { HRESULT SACAuth([in] DWORD dwProtocolID, [in] DWORD dwPass, ...more >>

Struct to API Problems
Posted by Joel Cade at 6/10/2005 12:25:03 PM
I'm trying to wrap calls the USPS Address Matching System API. Am I missing something in my call to the API? My calls to the API are declared as follows: <DllImport("zip4_w32.dll", BestFitMapping:=True, CallingConvention:=CallingConvention.StdCall, CharSet:=CharSet.Auto, _ E...more >>

The check of the signature failed for assembly...
Posted by rr_dot_net at 6/10/2005 12:07:13 PM
I have this working in vs.net 2002. I'm now moving to vs.net 2003. vb6 exe calling vb6 ocx which references vb.net dlls. vb.net dlls are delay signed so I can obfuscate before strong naming. vb.net dlls reference a few activex controls and dlls that I've imported and strong named (in frame...more >>

Failed to send the message - EM_GETCHARFORMAT to a running instanc
Posted by ptran at 6/10/2005 11:37:09 AM
I am trying to get the font size of a running instance of WordPad (based on Rich Edit). When I called the following function in my Windows Form which is shown but not activated (SW_SHOWNOACTIVATE), WordPad crashed with the dialog message - "WordPad MFC Application has encountered a problem a...more >>

DragDropHelper / OLE Drag Drop problems...
Posted by taj at 6/9/2005 9:22:19 PM
hi there, i'm trying to make use of the IDropTargetHelper interface using it's implementing class DragDropHelper to have drag images from windows explorer shell using c# und .net framework 1.1SP1 using WinXP-SP2, and guess what, i don't it to run... i gaining the interface using the foll...more >>

ActiveX Control
Posted by Dan at 6/9/2005 12:21:02 PM
Good Day All, I have a series of Active X user controls that I am going to be needing to use in a .NET project. However, I am running into an issue with the Wrapper that is generated for the controls. All of these controls expect that their parent implements a give interface. That is how th...more >>

Connected users list
Posted by Mircea Pleteriu at 6/9/2005 9:54:31 AM
How to get the list of the users connected to my system? ...more >>

Impersonate and Activator.CreateInstance
Posted by tomas.kallsen NO[at]SPAM endir.se at 6/8/2005 1:35:45 PM
Hi, I'm creating a Powerpoint Application object for use in Powerpoint automation (Powerpoint 2003) like this: Type t = Type.GetTypeFromProgID("PowerPoint.Application"); object app = Activator.CreateInstance(anApplicationType); ...which works like it's supposed to, and I can use the obj...more >>

Byte[] from an IStream
Posted by Chris Capson at 6/8/2005 8:43:35 AM
I have a C++ .NET application where I need to place an IStream* into a Byte[] and pass this back to a C# application. Something like this I guess: void MailAttachments::GetAttachmentBinary(MAPICDO::Attachment* pAttachment, Byte b[]) { IStream* streamUnk = NULL; //attSize is size of th...more >>


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