So I'm developing an application for my company which uses the MS SpeechLib. I want everyone to be able to use it, so that the machines which do not have the speech library installed will still work correctly, but won't be able to have further functionality provided by the speech library. C...more >>

First, apologies for cross-posting. I'm writing a Visio add-in using the .NET Framework. The add-in displays a number of windows forms as modal dialog boxes. In order to display properly, I set the parent to the Visio Window. I've done this by creating a class that implements IWin32Window. ...more >>

last week i successfully created and installed (with visual studio / ..net 2.0beta and then with the .net 1.1 framework) a DLL i can call from ASP under IIS5 on a machine running the .net 1.1 framework. both development and target machines run w2k and iis5. [c.f. (microsoft.public.dotnet.fra...more >>

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dv_wrcore/html/wrconthreadingsupportinoffice.asp This info (above) means to me that I should not automate Word from a thread. I am currently automating Word from a worker thread, not my main process. However, I thought that as I...more >>

See the thread in csharp group. Please try to help us. TNX ---------------------------------- -- Tamir Khason You want dot.NET? Just ask: "Please, www.dotnet.us " ---------------------------------- Yes, I know this. FooCOM.dll (original com) is in the same directory with i...more >>

I don't want to put the .DLL in a known OS path folder, I'll like to define or load the .DLL from an specific location at runtime. How should I do it? Thanks in advance...more >>

when a function wants an MFC CString? TIA....more >>

Hallo, is it possible to call a remote .Net Application from a local COM Client using .Net interop?? All I have read until now, using remoting requires that you have a Client and a Server writen in managed code so I'm not shure if above scenario can work. Thanks in advance for all hin...more >>

Hello, I would like to call unmanaged code (C++ Library Code) in C# library. When I Call C++ Function with an "int" parameter. It seems that there is a Marshalling problem; because when I put 88 as parameter, My C++ function receives 1240420 How to keep same parameter value between C# ...more >>

Have Excel document that I attempt to open using Interop Assemblies with ASP.NET. Problem is Excel is opened but is not visible from web app. Code used is as follows: Dim oExcel As New Excel.ApplicationClass() Dim oBooks As Excel.Workbooks oBook.Open( "some excel report"...more >>

Hi, I'm trying to build my custom Printer Dialog box. The following code is supposed to Pop up the printer properties form and edit the PrinterSettings. My problem is that I'm able to show the Printer Properties form but I'm unable to write back the settings to my PrinterSettings It either...more >>

Hi! I think the MSDN docs about interop doesn't state clearly enough that there is a character encoding conversion automaticly done from Unicode to the characterset for the computer during interop. This got me really puzzled for a few days. I've got a legacy C-application (dll) that tak...more >>

When running our assembly which PInvokes to an unmanaged dll, I am getting the exception System.Runtime.InteropServices.MarshalDirectiveException : Can not marshal parameter #1: Invalid managed/unmanaged type combination (Int/UInt must be paired with I or U). This exception only occurs when ...more >>

Hi All, I have a compiled Fortran executable that I must execute from a VB.Net windows application. What is the best way to go about this? In a similar application, developed with VB6, I used the ShellExecute Win API function. Is there a cleaner way in .NET? Best Regards, Chad...more >>

In my file manager app I have set up the ability to drag and drop objects (files and folders) between its two ListView panes and also between it and Explorer. I fire off the dragstart event in the ListView: (having set up apipt from the top left of the ListViewItem) JFunc.JCopyFilesToClip...more >>

I need to interface an old C application with C#.NET, I created a IJW C++ bridge, here is a sample code ...... #include "stdafx.h" #include "MyCPPClass.Interop.h" #pragma managed #using <mscorlib.dll> #using "MyCSharpAssembly.dll" using namespace System; using namespace System::Runtime...more >>

I have been trying to use this c++ Windows API function for over a week now, reading MSDN, threads in forums... However, I have made little progres. I used a code example from a thread "http://groups.google.com/groups?hl=en&lr=&threadm= ugy6CyX%24DHA.268%40TK2MSFTNGP10.phx.gbl&rnum=1&prev=/group...more >>

I have a Windows Forms project that embeds Internet Explorer. On my development machine all that is required for the application to run is the 48KB file AxInterop.SHDocVw.dll and the 124KB Interop.SHDocVw.dll. (Btw, what is the difference between these two? Can I reduce this to just one?). ...more >>

Hello all, I'm beating my head against the wall on this problem. Everything else has been really easy. I need to call a COM object, that is implemented in C#, from vbscript. VBScript only knows Variants, so I need to return an array as a variant from one of my functions. [Guid("10612AA1-...more >>

Hi, as I'm not really a COM knowledgeable, but I have to deal with it :), I have some questions. The background: C# COM addin for Outlook 2000. Framework 1.1 SP1. VS.Net2003. Ok, Outlook works in STA mode with addins. Reading here: http://weblogs.asp.net/larryosterman/archive/2004/10/1...more >>

I have two questions: 1. I have written a dotnet assembly and registed it as COM object (using Register as Com Interop in Build). Is there a way to reference this as a COM object in another .Net application? I want to test that COM clients will effectively use this object. 2. When I buil...more >>

I have an application that start plugin client by loading them runtime with assembly.LoadFile. This works very well in itself, but one plugin runs into some problems the second time I start it. The exception is: System.Runtime.InteropServices.InvalidComObjectException with a subtext ab...more >>

Just wondering if anyone has successfully accomplished what's described in http://msdn2.microsoft.com/library/eew13bza.aspx ? I remembered I went over a similar documentation before but I couldn't get it to work. Just want to check before going it over again. Thanks, sorpor ...more >>

I am having problems when a try to convert with interop these functions, any ideas? is correct? Thanks and excuse my poor english. [DllImport ("wsock32.dll")] public static extern int bind (ref long s, SOCKADDR_IRDA name, int namelen); [DllImport ("wsock32.dll")] public static extern int...more >>

Hi, I get the exception ====exception======= An unhandled exception of type 'System.TypeLoadException' occurred in Test.exe Additional information: Can not marshal field si of type ServersOnHost: This type can not be marshaled as a structure field. ====exception======= thrown when...more >>

Hello again, I am going to re-post a question. I got some excellent suggestions from Rob and Mattias on this but their ideas did not solve the problem. Here is the original post: ***************************************************** I am looking for a way to 'override' file security...more >>

I'd like to develop a VB.NET application that creates a Publisher 2003 application object, opens a document and performs a mailmerge. However, I need to update a database for each record that is "mailmerged". Is this possible? Does publisher throw an event for each record that is merged? Or ...more >>

I was looking for some perspectives on implementing an enterprise correspondence solution for custom letters. Currently we use RTF that allows business users to configure the letters with custom text and data elements (pre-defined). We have to jump through some hoops to get the RTF to actual...more >>

Hi, I am trying to replicate a VB6 menu application that is compiled as an ActiveX Exe. The menu application uses a series of plug-ins that are ActiveX DLL's. When the user selects a menu option the menu app creates an instance of the appropriate plug-in and calls a standard interface. This...more >>

( Hi Experts, I am having very Strange problem while developing a VB.net Aplication. My Application uses External .dll FILES(Those are already added into Referances) When I fire a statememnt like this Dim pdbc As New AppForge.MobileVB.Compatibility.PDBLibrary Dim dbhandle As Integer dbhandle...more >>

Hi, I have an application that reads some data from an Excel file and= uses the Excel ActiveX object to do this=2E I have written a= function that opens the document and reads a value out=2E This= function works fine in when called from a console application=2E= However, running in an asp...more >>

Hi, I am new to vb=2Enet and am try to migrate a screensaver= application written in vb to vb=2Enet=2E To capture the key board= and mouse movements across the screen, i have a hook dll written= in vc++=2E I have a windows call back procedure which used to= process the key board and mouse...more >>

I'm trying to implement calls to an existing C-based DLL within a C# program. It sounds straightforward enough, but any calls to the extern functions produce a NullReferenceException. My code looks like this: [DllImport( @"e:\jbhexe\sscam.dll", EntryPoint="BAM_calcs" )] public static extern ...more >>

I have a console application in C#, which need invoke the functions and get events from a ActiveX object hidden. I can not drag the ActiveX directly from Visual Studio.NET Toolbox, due to there is no form in the console application. The question is, can I dynamic create the form hidden and Ac...more >>

Hi All I am adding a reference to the Lotus 123 type library. The problem is that only the interface names appear in the intellisense list where as, as per MS docs, class names should also appear appended with "class". Due to this, I cannot assign object i get using getactiveobject. Also ...more >>

Hi everyone, I am looking for a way to 'override' file security and read the Owner of a file to which I have no access. I am a system administrator, as such I have administrative rights to all the computers in the company. Some of my user base has full control rights to their files and hav...more >>

Hi. I have a simple application which isnertes data into word-document tthrough word-bookmarks. The problem is that I want to move the application from early-binding to late-binding. In the early-bounded application this command I use for getting all bookmarks: IEnumerator en = wordApp....more >>