I was wondering if anyone could answer a couple of questions regarding developing games. I would like to create one for fun on my spare time. I want to know what type of technologies I would have to use. Basically I want to create a sort of board game (for mutual funds). I want to animate thin...more >>

I'm working on a web form that displays the temperature of a certain room and I'd like to display the temperature as a thermometer where I send it the value (eg. 78 degrees F) and the thermometer changes and displays that value. Where can I find a control for a web form that looks like that? ...more >>

Hopefully someone can point me in the right direction. I'm try to construct a table that has the following information about disk drives on 2000 and NT 4.0 boxes. Size, Partitions and Logical Drive information. I've figured out most of it, but here's the problem. The problem that I'm running i...more >>

I have a DataTable in a DataGrid. If I click on the DataGrid, HitTestInfo in dataGrid1_MouseDown returns a Row and Column number. I can use the Row number to say: DataRow dr = dataTable.Rows[Row]; Of course, I get completely the wrong row of data if the user has sorted the table by clicki...more >>

Let's say I've got a forum, where users can be moderators of each forum. Tables look like this: USER -------- user_key name FORUM --------- forum_key name USERFORUM ---------- userforum_key user_fkey forum_fkey (I'm sure you can work out where the relationships are!) My u...more >>

Hi There. I have a SortedList collection that I add objects of a custom class to. Rather then explain my app, my question is pretty general so.... Using a simple clsDog: *************************** clsDog boomer = new clsDog(); clsDog spot = new clsDog(); clsDog benjy = new clsDog(); ...more >>

I need to call a managed C++ dll with a method interface like this: void foo(System::Byte* i_bar); I'm using C#, and I have a byte[] containing the data. How can I pass it? byte[] myData = new byte[]{...}; ManagedCPPClass.foo( ??? ); Thanks, David...more >>

Hi all, Is there any way to use a Java API with C# ? Thanks. ...more >>

Hi all, I've got a DataTable that has a datetime column that is bound to a datagrid. The Datetime Column holds both Date *and* time, but my Datagrid only shows the date. How would I go about getting it to display both Date *and* time? regards, Marco ...more >>

Can anyone tell me how to create at ActiveX control ar run-time in code without using a form? I want to instantiate and use the control from within a non-visual class. Please help! Thanks in advance, Jink ...more >>

Hello, I have an array "aPeople" with people objects which I serialize like this: XmlSerializer x = new XmlSerializer( typeof(People[]) ); TextWriter writer = new StreamWriter( "data.xml" ); x.Serialize( writer, aPeople ); Now I have also an array "aAnimal" with animal objects. Is there ...more >>

I wonder if I am misunderstanding the purpose of the SignalTime property when using a Timer. The Remarks say that the property should be used to determine if the stop method has been called, but that seems misleading and painful to me. Rather than keep track of the time that the stop method was...more >>

I made two versions of a program, one of them deals with euro and the other deals with us dollar. I was wondering instead of creating two seperate projects, is it possible to add a function that tells the compiler what to include in the final exe/assembly? ie string prgmMode = "dollar"; if (...more >>

Hi Everyone, Can someone show me how to go about assigning a ref parameter to a variable so that when updates are made to this variable they are reflected in the calling object's reference parameter. I want to be able to change the value of the referenced variable outside of the constructor. ...more >>

Has anyone successfully used MySQL with C#? I'm having problems using the Update command Here is the code snippet. I am able to connect to the database. However when I try to update the database with the changes in the dataset I get the following error: An unhandled exception of type '...more >>

Is there some thing like sizeof operator that would give me the size of the object? Thanks. ...more >>

I've added the assembly to the Global Assembly Cache, but it is not in the "Add References" dialog. What could be the possible problems that would prevent an assembly that's in the GAC from appearing in the "Add References" dialog box in vs.net? Thanks...more >>

Hello I am having dificulty with this homework question ( I know its homework but I have been trying for a while with this) "generate 50 random numbers between 0 and 6 and count the number of occurences of each value. IT should employ the DAyOfWeek enumeration, where 0 represents Sunday....." ...more >>

how do i add a new line? string a = a + (U+000D); //doesnt work can someone help me translate this html code into a c# string? <font color="red">hello</font>world<br> Thanks in advance ...more >>

Hi, I try to use FAXCOMEXLib in the program. I got errors when using=20 Statement : FaxRecipients cFaxReceipients =3D new FAXCOMEXLib.FaxRecipientsClass() ; Error : FAXCOMEXLib.FaxRecipientsClass.FaxRecipientsClass()' is inaccessible due = to its protection level Any comment ?? Th...more >>

Is there a way in C# to get the name of the computer (ie, rt-clicking MyComputer, properties, computer name) ? I don't mind doing it in ASP.NET or Windows Forms. We don't have NetBios turned on, i don't know if that makes a difference. TY for any help / sample code Jason Shohet ...more >>

Hi, Does anybody know WHY an assembly can't be unloaded individually? In Java the Classloader provides this option, i.e. one can unload one single class. I'm wondering whether Microsoft will provide something equal at any time. Does anybody has more information on this??? - Thanks Sasc...more >>

Hello newsgroup I'm using a library to discover UPnP devices on the network via sockets. Its use is pretty straightforward: private void Discover() DevDiscovery disco = new DevDiscovery (); disco.OnAddedDevice += new DevDiscovery.DiscoveryHandler(OnAdded); disco.Start(); } ...more >>

Hi All, Can somebody tell me the advantage of using SqlParameters over simple putting the paratmeters in the sql string: ie Getsomething(int nSomeNumber) { string sSqlStatement= "Select * From SomeTable Where index = " + nSomeNumber.ToString(); SqlCommand ....etc } vs Getsometh...more >>

Hi: Anyway to get the assembly version info without using the assembly class. ? Assembly localAssembly = Assembly.LoadFrom(assemblyFilename); System.Version ver = localAssembly.GetName().Version; Because one the assembly is loaded, it can be unload, unless quit from the running D...more >>

Hi, I'm looking for a method to cut some avi files to obtain clips from it. Anybody have an idea ? Thanks. -- Alexandre Jaquet Techicien ET Analyste programmeur ...more >>

Hi I am currently involved in a C# Project, whereby we need to give some presentations to different clients over the internet The best solution we are trying to implement is to DISPLAY our Desktop live to the clients in their browsers or some other form of application, where the user can only view...more >>

Hi, I have i utility class contains static functions (and also members) I usually use in may applications. Can i have a static like constructor so any time the app starts, The constructor initializes static class members ? Thanks, Ali ...more >>

Hi, I got trouble when I place a WebBrowser component in a TabPage. When I'm in design I didn't get trouble but when I run the application I didn't see the browser component for example in the first TabPage. Anybody have got this kind of trouble ? I use the VS.NET Whidbey 8.0.30703.27 ver...more >>

Hi, Does anyone have any experience w/ using the Doxygen tool on C# code files? I'm evaluating it and noticed several methods are not appearing in the output. All classes, methods, properties and namespaces use the standard /// XML style commenting that VS 2003 uses natively. Anyone have a...more >>

I have a dataset with stock info Date, Open, Hi, Low, Close. How do I determine the Max value of one column? How do I determine the max value of all columns? Thanks in advance - Dan...more >>

is there a tool that will convert cold fusion code to C#? Or anything out there to help in this process? thx ...more >>

Hello, for "own directives" I will define a preprocessor constant, as it was possible with MFC with the directive "#define". Is it with C# possible for followed C# snippet: } catch (System.Exception clsException) { return 0; } write only, or somethink else: CS ? Tha...more >>

Hi all, I have one .Net assembly (*.dll) written in C#. .Net framework provides one intermediate language disassembler (ildasm.exe) through which you can see all the internal details like classes, enumerations, etc... Is there any way to hide these details for one particular assembly, basicall...more >>

Is it possible to gain access to all those nifty icons in other apps to use in my own? ...more >>

My app is adding a usercontrol at runtime. How is it possible to remove this usercontrol? Have tried Page.Controls.Remove(UserControl);, but that wont do the trick - any suggestions? -Lars ...more >>

what is the easiest way of establishing this given a Year? (short of DateTime.parsing a made up string representing 1/1 to 31/12 blah blah blah) Thanks Giri ...more >>

hi, buddy, I use winspool.drv to write printer directly, I am developing the point of sales system, and I need set up the printer device font(not true type font), so that i could control the cash drawer and printer itself, so, if you could tell me how to and solve the problem, I will pay you $50...more >>

My C# program uses the CDOEX component. It works on my dev machine, but when we deploy the application to the test server, I get an UnauthorizedAccessException. The problem seems to happen when I simply go to instantiate the Message class (new CDO.MessageClass). Any ideas about why this might...more >>

Hi, Can anyone suggest how to go about running a windows application from outside the starting form. ie. making a call to the initial form and then showing it. I have tried this using a separate class file with static void Main() { MainForm mf = new MainForm(); mf.Show(); } Bu...more >>

Why it's impossible to have a static indexer in C#? ...more >>

Hi, In the Process class there is a CloseMainWindow, why is there not a BringMainWindowToForeground or similar method? What would be the best way to do this if we jsut have the process info and MainWindowHandle without PInvoke? Thanks ...more >>

Hi I'm creating a web control whereby I use a resource file to store strings for property descriptions and so forth. The namespace for the control is: Unsd.Web.WebControls all classes in the control use this namespace. The assembly file name is Unsd.Web.WebControls.Banner.dll and the r...more >>

Hi, After a SqlDataReader.ExecuteReader method has returned, how can I get the field names of every column that were returned? It has to be possible, right? I looked through the different methods and properties but I couldn't find anything. Maybe I missed it! Thanks a lot, SC...more >>

We have a ton of code already written in C++ and the code is compiled into dynamically linked dll's. What is the easiest way to call this code, or is it even possible to call the code. We do export serveral classes from those dll's right now. Any direction on this would be appreciated. ...more >>

Hi I try the following program and I get InvalidCastException at the line MyByte b = (MyByte)obj; If I change it to MyByte b = (MyByte)d; it works fine. I need to convert the obj to MyByte type. Do you know a way to do it? Thanks in advance. using System; na...more >>

Hello, Actually, I have a main VB6 application which launches an external c# application through a shell command. Each time the C# application is launched, the framework is "loaded" so it takes time to load and run. What would be the best solution ? - Is there a way to have a C# app...more >>

I want create a string from a row of my db, but for each rows i need a new string and a new name for the variable. exemple: int i = myRow["ID"]; string varName = "news"; createNameVar = varName + i; but i can't eval this in C#, also the strings news1, new2,...,newsN don't exist. How i ...more >>

Hi, in my c# app, I access an collection from a COM componente of mine. The problem is that it brings elements repeated into positions 0 and 1. Does anybody know how to explain this behaviour? Is it something with c# or c++?? tia marcelo...more >>

As subject, if the sp returns a recordset, i can use OlbDbAdapter to get it, but how about just a return value from sp, e.g. 0 - successful; 1 - error like lter proc UpdateJobItemStatus @JobItemID as bigint, @Status as int as BEGIN Begin Tran -- Fail => locked, release locked, increase...more >>

I have 2 classes one is document and another is collection of documents. When i am trying to use XmlSerializer to serialize class which has clsDcoumentIds member variable i am getting an exception "System.InvalidOperationException: The type clsDocumentId was not expected." public class clsDo...more >>

When you use the [Serializable] tag are nested classes also serialized? If so, can you just use a [NonSerialized] tag to exclude them from the stream? ...more >>

I can read a file text, but i load from that file only a string. Can i load several variables directly from the file text without to treat the data before. Thanks ...more >>

I am working with SharePoint 2003. I am using (using C#) an existing webpart as a child control (server control). I need to access/manipulate the HTML that the control outputs prior to rendering it to the the page. The control outputs a list in a one-column table format. I need to acce...more >>

Hi -- I'm trying to find an example of a nested class implemented within the .NET Framework itself but without much success. I don't suppose that anybody knows of such an example off the top of their head, do they? Many thanks! -- Best Regards, Christopher Ireland. ...more >>

Hello, The TAB key is for changing the focus between the controls. Now I want to catch the TAB key event in one of my controls (Form class). I don't want to change the focus in this case. I need the TAB key event within this control. Has anyone an idea ? :?: Regards mike Posted Via Usen...more >>

Why can I not get a decimal value from my double using: double test; test = 1/3; MessageBox.Show(test.ToString());...more >>

H I have a WebService calling a Method in a Remote Object. The Remote method Returns an Object. This Webservice also returns the same object. All things are working fine when this Web Service is running in a Windows XP. But when I am trying to run the same webservice in a Windows 2000 Advanced Ser...more >>

Hello, I've written a wrapper for IStorage and I know the majority of the code is working fine. The only issue is with EnumElements. When its called the function itself throws a COM Exception with the message Invalid Pointer error. My only guesses are that somehow my Interface declara...more >>

I am using dot net with C#, I have a working treeview, how do i do expand/collapse all? thank you...more >>

I'm making my first ever database for my program. I understand the concept of one to many relationships but fail to see the advantage of using a secondary key over a primary one. I have a lot of tables and link them together by one key the CaseKey. What is the disadvantages of this method? ...more >>

I have a C# namespace called SAP_Message_Processor with a class called App with a method called RunstateCreate. I want to refer to the RunstateCreate method from another class called AppMainStartup within the SAP_Message_Processor namespace without using the App prefix. This is possible in...more >>

I have a windows service that does some stuff. It runs a couple of batch files. After the successful execution of a batch file I need to display some sort of notification to the end user that the job did infact complete successfully.(Note: Once the jobs are completed the service simply keeps che...more >>

here's a link: http://thinstall.com/ I want something that allows me to run my .net based apps on locked down pc's at work where we can't install the .net framework. This sounds like it would work, but at one heck of a price. Has anyone seen any similar applications? preferrably for les...more >>

I need to grant a class access to protected fields of another class in the way its possible in C++ with the friend keyword. However I would like to keep the class protected towards other class within the same program/assembly. The two classes are not 'related' (inherited). How can I do ...more >>

I am trying to access a file in .NET code behind using a StreamREader: StreamReader oTextFile = new StreamReader("\\s1 \\Dest\\123.asp"); But when I run the code, I get this error. Could not find a part of the path "C:\fhlbcinsnp1 \Destination\100597\1622686.asp". Note: The direc...more >>

Hi, I am using one webservice from which I am pulling the information of a file like version, date, etc. now when i rename the file am using system.io.file.move to move the file and then i am deleting the file from old path. but, in that case old history is lost which i want to maintain. ...more >>

Hi I am having a problem with the SQL server connected in VC#.net I am using the SQLDataAdaptors to access and fill the data to the DataSets. There are certain pages in sequence which run one after the another as a process based on the user interaction. All the pages (even pages before ...more >>

I try to serialize my object into xml it work, but I can't deserialize it back. I get an exception.. :- An unhandled exception of type 'System.Reflection.TargetInvocationException' occurred in mscorlib.dll Additional information: Exception has been thrown by the target of an invocation. ...more >>

HI, Is it possible to create a floating/dockable form in C# winforms. Something similar to Properties/Solution Explorer window in Visual Studio.net or Search/Index window in MSDN. Any help or input is appreciated. Thanks in advance Isaac Varghese TCS London...more >>

I am confused about the purpose of 'new' in overriding. Consider following example. <code_snippet> using console = System.Console; public class TestClass { public static void Main() { Base oBase = new Base(); oBase.test_call(); Derived oDerived = new Derived(); oDerived.te...more >>

Hello, I have a function in C++ with the following definition typedef HRESULT (WINAPI *PGetData)(OUT BYTE **pabc); and am using P/Invoke method to call this method from C#. I need the output parameter to be stored inside a string variable containing byte value. I have the follow...more >>

Hi, I'm writing an app that will show a scrolling transparent graph and I'm ancountering some problems, explained in the following code: (a VS project explaining the problem(s) can be downloaded at http://www.icat.be/problems.zip ) The code is executed on a timer.tick event: // Draw Usin...more >>

In case any of you have been as frustrated with the Help implimentation in ..NET as me, here's a way around the stupidity of using the current window as the parent for the help window (yes, you can't go back and forth and look in the help file and then do what it says in the program! That woul...more >>

I have been using crystal report in my c# app and now when I want to modify or create a new one it gives me the following error message from Visual Studio 2003 environment "class not registered". What have I done wrong. Help!!!...more >>