Yannick De Koninck's Q&A profile

• Visual Basic mpeg streaming

  Hiyah all I am trying to make a low bandwidth viewer to connect to my video server. My video server exports multiple streams in mpeg/asf format. Id like to be able to watch these streams via the vb.net app i ahev written. I can watch multiple streams fine using jpeg streaming but when using mpeg streaming i need a way to interpret the stream. I have tried using multiple mediaplayer controls but they seem to randomly stall and then get out of ...Show All

• .NET Development EncryptedXml question

  Hi, This is the first time I'm trying to use EncryptedXml class to encrypt my xml file using Rijndael. I was wondering how I can use password and salt to encrypt the file. Here is the code from MSDN, that doesn't use any password or salt. Please help me. public static void Encrypt( XmlDocument Doc, string ElementName, SymmetricAlgorithm Key) { // Check the arguments. if (Doc == null ) throw new Argu ...Show All

• Smart Device Development Unable to connect to the remote server

  i have a simple webservice which i am using in my pocketpc app. and i am calling webservice from pocketpc app. but being error : Error is: An unhandled exception of type 'System.Net.WebException' occurred in System.Web.Services.dll Additional Information: Unable to connect to the remote server i am not calling webservice on pocketpc app..... can i do Received this error in VS2005 after creating a "Web Reference&quo ...Show All

• SQL Server MSDE install on Windows 2003 SP1 application server

  I am trying to install MSDE 2.8 on this OS. When I try to install, I receive the following error: Fatal error setup This setup does not support installing on this operating system Any ideas Are you talking about MSDE (The Database Engine) or MDAC 2.8. MSDE normally matches the version number of the sql server version it was released under. In the case of SQL Server 2005 it is now called SQL S ...Show All

• Smart Device Development Windows Mobile 2005 - Can you reset/clear Database (EDB) sync flags/count to avoid sync with ActiveSync? Serious Bug in WM2005!!

  Hello All, On Windows Mobile 2005 - Can you reset/clear Database (EDB) sync flags/count to avoid sync with ActiveSync   I found a serious BUG with WM2005 because the replication values (bit based) APIs are non functional... Use for this is any type of application that would Backup the PIM (Contact, Tasks, Appointments) and any other databases and restore the database back to it's original value...  Currently there appears to be no wor ...Show All

• SQL Server Ending a conversation in a CLR activated stored procedure

  I've read Remus' article on Fire and Forget tactics when it comes to ending conversations, and I have to admit I am guilty of sending a message to a service and immediately ending the conversation. I've set up a stored procedure to end the conversation on the initiator queue, but I'm guessing it's never being fired because I am not ending the conversation in the target activated stored proc, which is a CLR stored proc. Can you tell me how to ...Show All

• .NET Development How to get the list of usernames in the Active Directory?

  I tried the below code but it returns me the full name while I need the NT User Names. =========================================== System.DirectoryServices.DirectoryEntry entry = new System.DirectoryServices.DirectoryEntry( ); // WinNT://path "LDAP://path" System.DirectoryServices.DirectorySearcher mySearcher = new System.DirectoryServices.DirectorySearcher( entry ); mySearcher.Filter = ( "(objectClass=user)" ); foreach (System.Direct ...Show All

• .NET Development Pattern to use a delegate as argument in a library

  I am designing a .Net library where some methods take delegates as arguments.  This situation also occurs in base class libraries with for example (amoung many others): Thread constructor (requires a ThreadStart). ThreadPool.QueueUserWorkItem method (requires a WaitCallBack). AppDomain.DoCallBack (requires a CrossAppDomainDelegate). Sometime the design requires a parameter (like ThreadPool.QueueUserWorkItem), sometimes no parameter can ...Show All

• Windows Forms ClickOnce - Can't remove shortcuts

  I've created a second version of my ClickOnce installation. I start the original installed version of my application and it asks me if I would like to update the application. I install the new version and it fails with an error report, which claims that is can't remove shortcuts. The 'Publisher Name' is already being used in the Start menu by some of my other applications. If I click on the button to install the update again the program starts. ...Show All

• Visual C++ unresolved external error

  I am copying a program from a book " using visual c++" OLE and com programming. I created autoserver and tried to test it in a dialoge based application (this calls a function (squareroot )in autoserver  through dispatching) when i run the application I getLinking... testcomDlg.obj : error LNK2001: unresolved external symbol "public: double __thiscall IAutoserver::squareroot(double)" ( squareroot@IAutoserver@@QAENN@Z ) Debug/testcom.exe : f ...Show All

• Windows Forms combo box in relational two tables

  I have two tables: order and customer. In order table, only customerID stored in it. I created one-many relationship between two tables. How can I code combo box of customer for add and update  That is it, user can pick up customer and sto ...Show All

• .NET Development Binding a dropdown listbox

  Im trying to bind a dropdown listbox with a table in SQL Server 7.0. Whenerver i use this code , i get value: "System.Data.Common.dbDataRecord". Following is my code : Sub  Page_Load() Dim strSqlCities as String = "Select city from city"   Dim strConnection as String = "server=Maxood;database=watal;user id=sa;password=;"        Dim objConn as New SqlConnection(strConnection)   Dim Cmd as New Sql ...Show All

• Visual Studio 2008 (Pre-release) WPF Visual to Bitmap

  Is it possible to save a visual or path to a bitmap Cheers Simon Yes, check out RenderTargetBitmap . There have been plenty of threads in this forum discussing how to use it, so just do a search if you need more info. HTH, Drew ...Show All

• SQL Server Old Excel files after SQL2000 > SQL2005 migration

  Hello there! We are having some problems over here after our SQL2005 upgrade. If we try to use an excel file that previously accessed the SQL2000 database (same DSN name and credentials), and then try to refresh the data after the 2005 upgrade, we get the errormessage "[Microsoft][SQL Native Client][SQL Server]User 'DOMAIN\username' does not have permission to run DBCC TRACEON." We have tried to delete and recreate the DSN fil ...Show All

• Windows Forms user32.dll Threads Issue from Upgrading from Vb6 to vb.net

  Hi I have a module that handles threading with user32.dll Api. The problem comes when each window calls this pSetForegroundWindow subrrutine to set the Foreground thread. The windows is displayed active but is not refreshed or painted, stays unresponsive. Why is that Can someone help Would I have to declare a system.threading instance to substitute this module functionality And not use user32.dll in vb.net How can I do that I have an ide ...Show All