Hello, I have a problem with Marshal.GetLastWin32Error() Every call returns 127 (ERROR_PROC_NOT_FOUND) even if the previous call = was successful. For example, given: namespace Utils { public class Win32 { [DllImport("user32.dll", SetLastError =3D true)] publi...more >>

I'm trying to pass info between two components using xml. To produce the xml I'm using an xmltextwriter, and in the receiving end I use an xmldocument and its Load method to load the output of the writer. If I use an intermedary file I have no problem, but if I use a MemoryStream (one of it...more >>

I have an Exit button for my application. Within button_click event, I have the following code. me.dispose() me.close() After I click the button and the application is closed, but I still see an active instance of the application on TaskManager. What else am I missing from my co...more >>

I have just finished my first windows application throught VB.NET. Doesn't VB.NET allow us to create .exe file? If not, how can I deploy my application to a user? Enlighten me, please. Thank you....more >>

I've been doing some googling without success. Does anyone have any ideas of detecting if the time was changed from a Windows Service that cannot interact with the desktop? This elminates using the SystemEvent.TimeChanged event. I need react when daylight saving time kicks in or someone chan...more >>

Hello, How do I send data from a textbox into a word document, ie, You type a paragraph into a textbox or RichTextBox. You click a send button and word opens and the text from the RichTextBox is imported into the document? Thanks, Chuck ...more >>

Hi, Has anyone succeeded iin getting Faxing to work on FrameWork 1.1 running on a Win 2k box. The example code in the help fails. I adapted it to the sniippet below but FaxDoc.send is returning invalid data. This is a cross post from dotnet.languages.vb because I saw in that in the archives o...more >>

Hello, Does anybody use his idea and components (CSLA) to build a 3-tired system with central database for about 150 online users. http://www.lhotka.net Greeattings, Hawix ...more >>

Supposing I have a class "UserControl1 : System.Windows.Forms.UserControl" in an Assembly "UI.dll", now I create an Application project and want to use the "UserControl1" in another AppDomain, private void CreateUIInAnotherDomain() { UI.UserControl1 ui = (UI.Cls)domain.CreateInstan...more >>

Is there a way to use a Mutex (or something) to block access to a file between different running applications. The situation is this - I have more than one application running, and they all share the same XML file. What I want to do is block other apps from writing to the file when one app...more >>

My VB.NET application spins up a secondary GUI thread. This thread hosts a Custom User Control (which owns the window handle) and some COM objects which interact with a Third Party Application. When a method call to one of the COM objects results in an error, the .NET Interop throws a System....more >>

Hi, Is a .net mscomm control available? Josh ...more >>

Hello, Is there a known way to replace a pressed key by an other. KeyPressEventArgs.KeyChar is read-only so is there a work arround. I want to change the decimal point of the numeric keypad into CultureInfo.CurrentCulture.NumberFormat.CurrencyDecimalSeparator at anny time. Greet...more >>

Right now I'm checking the presence of the USERDNSDOMAIN environment variable. Is there a better way to see which windows network, NT 4, Mixed ADS, Pure ADS a user is logged into? ...more >>

Hi, I am using .NET Remoting in a client server environment, and I have to pass an XmlSchema object to the client using remoting. As this class (XmlSchema) doesn't extend MarshalByRefObject and not even serializable, what could be a work around for the same ? best regards sijo ...more >>

Question: Is there a site that lists (or share your opinions, please) the relative strength/weakness of programming in C# or VB? Question: Is there a site (or share your opinions) that lists the relative strength/weakness of a PC app vs a Web app? The assumption here is that the app will be fo...more >>

Is there any way I can get the HttpWebRequest object to accept headers with only \n in them? When I go towards a particular url I get a ProtocolViolation error when the headers in the received data only has \n to separate the fields. If I make me a proxy and intercept the packets and change ...more >>

Hi, I want to get a unique ID of a computer instance. This ID has to be unique across domains, sites, and remain the same after OS, domain and hardware upgrades. Any ideas how to get this or how to compose it? Thomas ...more >>

Hello In a C++ class library project, the following code: public __gc class A { public: ~A(){} }; public __gc class B: public A { public: ~B(){} }; gives me: error LNK2001: unresolved external symbol "void __cdecl __CxxCallUnwindDtor(void (__thiscall*)(void *),void *)" (?_...more >>

Same question as the subject and that is will MFC be used to 'wrap' future versions of Windows API or will the .NET framework 1.1 be the replacement?...more >>

Hi there, i have an object O1 in a thread context C1. This object BeginInvokes() a loop-oriented method M2 on a second object O2 thereby creating a new thread context C2 for O2.M2. O1 has before registered on an event eventually fired by O2.M2. This eventually results in executing the handler...more >>

Hello, I'm going to try to explain my problem. Excuse my English. There are a DB stored at a server that is placed at another city. I've the external IP, the ID and the Password. If I do a ping with my pocket I obtain response. I've an object connection (SqlClient.SqlConnection) whose propert...more >>