Hi, I would like to subscribe to a magazine/journal that covers OOP and/or = C# subjects. Has anyone suggestions? Thanks Mike...more >>

When I raise an event I have to first test to see if the event has been created. For example: class ClassX { public event System.EventsArgs MyEvent; public void SomeMethod() { if (MyEvent != null) MyEvent(); } } If there a way of creating the event variable (M...more >>

If I have a class that exposes a delegate (see following code), how do other objects who wish to receive notifications be coded? What I mean is the first object to receive notifications must create the delegate by doing a 'new' whereas other objects just need to use += to add to the delegate lis...more >>

I wrote a C# class library with tlb output,so i can call it from C++ codes. My code in C# like: [Guid("...")] public struct item { string key; double val; } [Guid("...")] public interface IFirst { string try(); item[] tryAgain(); } [Guid("...")] public class Fi...more >>

Hello, I want to develop an application to transfer data from sql= server to excel such that , when we create a workbook in excel ,= then we are able to transfer data from SQL Server to excel in a= way that the first three columns of the table (In SQL Server)= move to the First Worksh...more >>

Hello, I have a small application that I need to save data from 7 text boxes in to a csv file. This will entail btnNext_Click function that will create a new csv file and enter the 7 data fields in the csv file; as well, each click on next will return carriage to a new line. Client does not...more >>

Hey, I've got two threads running at a point in time which are generated by this code. Thread oTdFillOffices = new Thread(new ThreadStart(FillOffices)); oTdFillOffices.Name = "FillOffices"; oTdFillOffices.IsBackground = true; this.oThreads.Add(oTdFillOffices); oTdFillOffices.Start(); ...more >>

I'm using the WebBrowser control, Is there any way to handle new window open (popups), and get the url, popup size, location? Can I scroll the active WebBrowser? 2 ...more >>

In my application, i want to play a piece of music (wav or mp3). How to do it ? ...more >>

I am writing a network system for project I am working on. How would I send a class or structure to the clients and recieve one back. Or how would I go about building a packet with a header and other information and then be able to break it apart when I recieve it at the other end. These p...more >>

Hi, I find that when i define a delegate, it gets derived from MulticastDelegate, which provides all funtionality that events would provide (like registering new handlers etc.). Then, apart from being a bit more neater, could there have been any other reason that an 'event' keyword became ...more >>

Suppose I have C# function that call a managed C++ class like this //C# function public csFunc() { new MyCpp("who delete me?"); } //managed c++ class public __gc class MyCPPClass { public: MyCPPClass(String *s); } who will delete that string? Thanks ...more >>

Hi All, Create a Form Add a Button Double Click the button to create its Event Handler ( Button1_Click ) Now come to design view and Cut the Button Then Paste it again Now double click the Button Notice that there is a new handler ( Button1_Click_1 ) just below t...more >>

I have a combobox which contains the different departments at my work place. However, if the user types another name into the combobox, it is accepted. I wish to allow only the names already associated with the control. Also, how can I set the control so that the user can type, for example,...more >>

I'm trying to connect to an access database that has been converted to a .cdb database on my Pocket PC. I'm having a problem getting the connection string right. Does anybody have a clue as to where you put an object on a PocketPC and then connect to it. Does it have to be in a specific pla...more >>

I am really missing something here: ·I Have two unrelated objects X and Y ·These two objects share some of the same method calls I want to write just one function that I can pass either X or Y to which will then call methods on the object. I don't want to use polymorphism as the handling of...more >>

Hi all, I had made a method that will return a string type value. And I invoke this method in a string type delegate .And how can I get the return value when the method finish processing. for example: public string A() { ... return A_value; } public class C_A { delegate strin...more >>

Just wondering if anyone else has noticed that C# is fairly ram hungy, or at least assigns alot of ram? If you have has anyone developed any strategies to combat it? - Mark Harris...more >>

Hi all, How are the programmes' communication in different threads? ...more >>

I am trying to use the Tools.Shell ("somefile.exe") method to open a file. I am using System.Windows.Forms but its not working. Should I be >using< another class ? Maybe you have another way to open files ? ...more >>

Hello: I've seen code in some books for databinding that handles attaching Attributes to Properties during runtime...which is very close (but no cigar) to what I am looking for... The code in the book was basically the following: override protected void PreFilterProperties(IDictionary ...more >>

I installed VS 2003 recently and I did not notice this error until a few days later when I stumbled across it while checking my web pages functionality. http://www.omegusprime.com/light/?Page=Quote It refers to a missing "}" in Microsoft's code. I know this because I did not write ...more >>

Hi, I have the following function to which I need to pass a string variable private string cMask (string sText) { } but ever time I try to compile I get the error 'test.Form1.cMask(string)': not all code paths return a value Any idea? Thanks Ivan Sammut ...more >>

Hi, I have the following function to which I need to pass a string variable private string cMask (string sText) { } but ever time I try to compile I get the error 'test.Form1.cMask(string)': not all code paths return a value Any idea? Thanks Ivan Sammut ...more >>

I have an application for which the main thread apartment threading must be static. This is since it calls a DLL which if I switch to MTAThread it is very slow, and cannot run in a thread as static. Now I want to change my console app to be a windows service and when the service starts, it is...more >>

Hi, is it possible MS SQL Server Agent to make a WebApplication in ASP.NET/C# to send e-mail using MailMessage class? If yes, how? Thank you! Viktor --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.745 / Virus Data...more >>

Can anyone tell me why this doesn't work ds.Tables[0].Rows[0].ItemArray[TITLE] = m_sTitle; ...more >>

Hi, I have a table in MS SQL - NotifyTBL ============== ID int Primary Key SearchID int OfferID int this table is populated when a user Insert values in OffersTBL. A trigger does this automatically. What I want to do is every 30 min to check if there is a new records in NotifyTBL and if ...more >>

Hi, I'm an ex-Delphi developer and I'm used to the ModelMaker Case tool for Delphi. Now I'm starting a large project in C# and I need some help in design. I'm looking for case tools for VisualStudio.Net. Any advise is welcome. Regards, ...more >>

Hi, I'm new to windows forms development. I'm just wondering what the best practise is to deatching events. I have an external object which is passed into a dialog form. The dialog wires up a couple of EventHandlers. to listen for events on the object. Now I have a suspicion that even ...more >>

I want to display in a form all the icons of an icon file, that has icons with both 32bit colordepth and 24bit colordepth, simultaneously. I tried using ImageLists with different colordepth properties but the result was that the icons that were displayed were all 32bit palleted, having my system...more >>

Hi all. This is my remoting client: public class WebClient { static WebClient() { ChannelServices.RegisterChannel(new TcpChannel()); m_GatewayClient = (IGateway)Activator.GetObject(typeof(IGateway), "tcp://localhost:7777/Gateway"); } private static IGateway m_GatewayClien...more >>

Hi, What is required to unwire an event ? I wire it with: this.MyEvent += new MyEventHandler() Do I need to maintain a handle to the eventhandler created so that I can detach it ? The following seems to work, but it doesn't feel right as I seem to be adding one object, but then removing...more >>

The mailto: command is very useful when only basic parameters need to be sent, such as the To field, but not so useful when a large chunk of HTML formatted body text must also be sent. I basically want my app to to create a full new mail message (in the default mail client, usually Outlook), w...more >>

Hi, I am tring to display a form that does not show in either the task bar or when the user alt-tabs. The form is running full screen and is set to have no border. Nick...more >>

Hi, I'm trying to do this: private void SetNF(FileSystemWatcher fsw,int val){ if( (val&4)!=0 ) fsw.NotifyFilter |= System.IO.NotifyFilters.Attributes; // i'v tried this also: // if( (val&4)!=0 ) fsw.NotifyFilter = System.IO.NotifyFilters.Attributes; } and i ...more >>

Hi, In Delphi I could use paramstr(0) to get the full path to my exe during runtime. Does anyone know the C# equivilent? Thanks a bunch, -- Tony Caduto Inexpensive Corporate Messaging AM Software Design http://www.amsoftwaredesign.com ...more >>

Hi, I am doing a console app and I want to pass in a command line argument during debugging, and I am having problems finding this option in the IDE. In delphi there was a parameters option in the menu where I could add param values that the program would grab during debugging. VS must have som...more >>

How do I send some data to serial port (for example COM1:) in C#? It will be nice if you will show me some example. ...more >>

Is there some way i can programaticaly clear the ram the application is running, or force the garbage collection to occur? Also, an application starts off using 8mb or so of ram - when i run RAM Booster this drops to about 1.6mb - thats a pretty huge waste of ram. When a client connects ...more >>

Has anyone tried to control the color changes that occur when a .net control (in this case specifically, a combo box) is disabled? We are trying to limit input, yet not have the control go gray on gray when disabled (or at least be able to control the behavior). Any thoughts on this would ...more >>

Hi guys,Does any1 know what this error is all about, what I am trying to = do is deserialize a XML, below is my code, let me know what I am doing = wrongpublic class test{xin =3D "<?xml version=3D'1.0' = encoding=3D'UTF-8'?><InSession><PassWord>foo</PassWord><UserName>foo@foo.= com</UserName></I...more >>

How do I use any TAPI function like lineInitializeEx() in C++ in C#? It will be nice if you will show me some example. ...more >>

I have 7 comboboxes on my main form, one for each day of the week, and the XML file they read from looks like this: <Shifts> <Shift Time = "OFF"/> <Shift Time = "Day"/> <Shift Time = "Night"/> <Shift Time = "12:00-20:00"/> etc... <Shifts/> I have set the dataSource as ...more >>