Hi, I need to add a "onclick" event to an object with a Swf file on my web page There is anyway to use a swf file as a banner thank yo Fabrizio ...more >>

Is there anyway of being notified when a Stream is modified? Basically, If one of my objects is passed a stream, I would like to initialize an object cache. Then when the Stream changes, I would like to update the cache. Does not look like the stream has any event that I can hook. ...more >>

Can I set a x, y value of a mouse pointer (where I would like to set a mouse on the screen). I would like to move a mouse with my program. Can it be done? Thx ...more >>

how do i get a tab char into a string? i tried this and it didn't work... t.Question = "this is the \t\t\t first line" + Environment.NewLine + "the \r\n second broken line"; ...more >>

Here's a simple way to recreate my flicker problem. - Create a new project. - Put a ListBox on the form. - Resize it so that it can accompany 20 items. - Put a button on the form. - Double-click the button to add a Click event handler. - Insert the following code in the event handler: { ...more >>

In C#, the String class has a lot of Methods, such as "mystring".Trim(); I want to add my own Method so that the whole web application can use it. What I want is: "mystring".GetIt(); How do I do it? How do I override the String class so that the whole application knows about the change? ...more >>

In C#, the String class has a lot of Methods, such as "mystring".Trim(); I want to add my own Method so that the whole web application can use it. What I want is: "mystring".GetIt(); How do I do it? How do I override the String class so that the whole application knows about the change? ...more >>

Hi All, Does somebody know how can I include an external file into my C# source file? I need to insert the same strings (about 5-10) into about 75 different files, probably I will need to modify all these strings later, and I see it as a good idea to use an INSERT approach, but C# is not C+...more >>

I'm looking for a way to deny a move from the current listbox item. For instance, if the user is editing the record associated with the current listbox item I want to deny a move within the listbox until they have saved the changes. Is there any way to deny a move from the current item so the ...more >>

Is it correct that Unicode characters with code points above 0x10FFFF are not supported by C# I have a hard time believing this since it would eliminate some Asian languages. If it is true, is there a workaround? Do other .NET languages support code points > 0x10FFFF I appreciate any comments T...more >>

Is it correct that Unicode characters with code points above 0x10FFFF are not supported by C#? I have a hard time believing this since it would eliminate some Asian languages. If it is true, is there a workaround? Do other .NET languages support code points > 0x10FFFF? I appreciate any comment...more >>

Hello I have a thread1 in which i am in infinite loop reading data from socket. But sometimes i want to transmit data using that socket (thread2 decides about it). Can i simply from thread2 call: networkStream.Write(); where networkStream is associated with socket from thread1. That socket ...more >>

I am looking for the best tool to develop a multi-tiered desktop app. I know that C# is a solid choice, but HOW good of a choice is it in the long run? I will have a website (asp.net probably) tied into the app and components including Macromedia Flash, to name but one. Would C++ (or others?) pos...more >>

I'd like to show some XML text into an (editable) text box with some syntax coloring for tags, attributes etc. I don't need a full-blown commercial control, I'd just like to do some coloring on tags and the like. Is there any (possibly free!) C-Sharp control (based onto the RTF control, I imagine...more >>

Hi! Is there an event which will be called, before a ToolTip of a Control will be shown? I have binded with the SetToolTip()-Method of the ToolTip-class ToolTips to textboxes. Now, I want to show in the ToolTip text which is contextsensitive. Now, I think, when there will be a event before a ...more >>

I need to send a message (WM_SETREDRAW) to a windows form. However, I don't have a SendMessage() function, and I don't think C# or the .Net framework have such a function built-in. Can someone provide canonical C# code for such a function in C#? I'd like to avoid recreating the wheel. Thanks. ...more >>

I'm performing a conversion of code from C to C# and I want to perform a callback to a function where the callback is performed at a certain time, like 2 March 2004 at 1:35pm. I realise there are loads of timers in C#, but they all perform repeatable events using an elapsed time which is ...more >>

Hi All, I am a VB 6 programmer who is now trying to learn C#. In doing so, I am trying to convert some of my VB modules to C#. I routinely user Reg Expressions in VB and am having some trouble trying to use Regex in C#. Basically, I have a fixed format text file which I need to validate prior t...more >>

Hi all, I am trying to install a service using dynamic naming. I wrote values in the configuration file, and trying to assign one of those values to a string, and using this string as the name of the installer <?xml version="1.0" encoding="utf-8" ?> <configuration> <appSettin...more >>

Hi, Using VS.NET 2003, the following code fails compilation (as expected): ------------------------------------------- using System; class App { static public int I { get { return 1.0f; } } // Cannot implicitly convert type 'float' to 'int' static void Main() { Console.WriteLine...more >>

Hi, May someone tell me how can i use the C# XML classes to read an xml file? I need to make a class with the structre of the XML files and to rean number of xml files from the same directory and put them data in the class represent them, How can i read a number of xml file`s (with the same...more >>

Hey guys, I've a method as below, which searches for some text or strings into an XML file. I pass an XPath query like: //*[contains(.,"Smith")] Which works fine! the problem: It only finds Smith not "smith" or "SmItH". I know there is an xml translate function but don't know how to use...more >>

hi, i have this situation: 1 gridDocs binded to a table, 1 gridRev + several controls binded to a dataset, which does not contain the above mentioned table; i want that when i select a row in gridDocs, get the id of the selected document and pass it to the RowFilter of the gridRev; then, the...more >>

Hi. I have a very custom image format that I have to save as a bitmap file. It is a black/white image. Also, I need to load a bitmap file and convert it to my custom format. What would be the easiest way of implementing this in C#? Thanks. Ole-Johan Ellingsen ...more >>

Hello All, I have seen code snippets like try { ..... } catch { throw; } What I wonder is that in this type of syntax, how does one log (on the console) the exception before throwing it? since we are not using any name of the exception? Thanks for your help. regards, ...more >>

Hi all I posted this question earlier today. I did not get many resposes. Please help me out with this problem. Thanks a lot. ---------------------------------------------------------- I have two .NET applications, one is a C# class library that interoperates with COM and the other is a C# ...more >>

I'm using several C functions (in a dll) that receive a struct as parameter. Since I'm doing it in C#, I assume I need to recreate the struct in C# in order to call the function with the required parameter. What would I need to do in order to convert a struct that looks like this: typedef str...more >>

I want to show the number on the screen, while the program is in loop, at real time... But the program shows the number after loop ends... My program do nothing before loop ends... How can I prevent this? I don't want my program to stall while it is in loop... Thank you... ...more >>

Hi.... I am adding my own table and column style to my datagrid, but when i = view the form the field width isn' what i set it too in my code? A snippet of my code is as follows... DataGridTableStyle TSTblStyle =3D new DataGridTableStyle() ; TSTblStyle.MappingName =3D "tbl"; DataGr...more >>

Hi, I have 'some' experience in VB. I would like to learn C-Sharp and would like to know if the following book is any good or not. Thank you. Microsoft Visual C# .NET Step by Step - Version 2003 by John Sharp and Jon Jagger ISBN:0735619093 ...more >>

Hi, When I try to stop my C# Windows Service I get the message "Couldn't perform the requested operation for service ....". Other posts suggest that it has something todo with the config file (putting RemotingConfiguration.Configure(AppDomain.CurrentDomain.SetupInformation.Con figurationFile)...more >>

I think I have understood Arrays incorrectly in C#. I declared the following int[] myIntArray = new int[5] { 1,2,3,4,5 }; I assumed that this has created an Integer Array, and to access any element I would have to do the following : myIntArray[4]; However I see that there is also anothe...more >>

Hi all I have two .NET applications, one is a C# class library that interoperates with COM and the other is a C# windows application that tests the C# class library. My test application was working fine and so was my class library. Earlier, I had problems with my C# class libary, so I had ...more >>

We are trying to implement a dual list box selection where you have two list boxes, You highlight items in the right side list box, click a button and this moves those items over to the left hand list box. The problem is that if there are many items selected (thousands), then removing the items ...more >>

I have this connection void Page_Load(Object sender, EventArgs e) { SqlConnection myConnection = new SqlConnection("server=1.1.1.1;uid=;pwd=;database=mdMuseumStore"); SqlDataAdapter myCommand = new SqlDataAdapter("SELECT * from Paintings_vw", myConnection); DataSet ds = new DataSet(); ...more >>

Hello all; I have created a custom component, whose properties (let's call them myObjectA and an collection of myObjectB) I'm trying to set via a GUI. I have the GUI running after the user clicks a Designer Verb, and it gets the values for myObjectA and myObjectB correctly. The designer cr...more >>

The update seems to fail becorse of the fieldname in my DB One of the fields is called "Zone" in my MDB If i change the fieldname in both the database and in my test application, the error is gone.... Any explanation ? ...more >>

Hi all, I'm a noobie to C# and am having probs with tyring to convert some legacy C++ code to C#. I've attached some psuedo code to try and explain the problem: ---code-- int headersize, bodysize, nLibIndex; HEADER_STRUCT* header = new HEADER_STRUCT(); header->member = value; .... a...more >>

I'm trying to call a DLL function that receives as parameter a user-defined structure created by the company that made the dll. When I call the function from my main form, I call dllCalls.addVer("string1", "string2") -this is how I created the method in the class. Now, in this static method t...more >>

I am attempting to remote debug a process (C# application) whose execution time is less than 2 seconds. When attempting to attach this process from the client machine, I am unable to catch the process in time. Any suggestions on how to fix this issue? I understand once the process is attache...more >>

What is the C# code to post a simple XML document to a URL? Thanks. ...more >>

Hello, I was wondering if anyone can help me out. I am trying to send mail from a c# app thru my ISP pop3 mail server. I figured it would be similar to using SMTP, but use my username and password for authentication. I guess what I am trying to do is the same thing that outlook express doe...more >>

I have a non-COM, non-.NET DLL, apparently written in C++ but for which there is no source available (so I am told). I have tried the DumpBin utility and Dependancy Walker to examine the exported functions so that I can P/Invoke them from C# but I only ever see the names of the functions, never...more >>

Hi, I need to launch a c# dialog from an application written in c++. I'm running into the problem that the c# dialog behaves as if its a different application. Clicking anywhere in the c++ application, including the main window hides the c# dialog. How do I get it to always stay on top of the ...more >>

I would like to start a process from C# code as another user. The C# = code is executed as the ASPNET user because it relies in a Web Page = class, and I would like that the process will run as another user to = gain the required rights for execution (the external process needs to = create a mai...more >>

i'm writing some events that need to be NonSerialized and to get it to work i ended up doing something like: [field: NonSerialized] public event OnEventHandler myEvent; because [NonSerialized] public event OnEventHandler myEvent; didn't compile. my question is: what does the 'field:...more >>

I am using a datagrid to present data in a WINDOWS application. If the user click on a cell within the grid, the datagrid allows the user to edit the value. I want to allow editing on certain columns, but disallow it on others. How do I do this? I am using a DataGridTableSyle to identify t...more >>

Hi all I am trying to call my C# class library from COM. My C# library works perfectly in the .NET environment. I have registered my C# component using regasm and also placed it in the GAC. But for some reason my VBScript COM component can't interop with .NET. I am calling my .NET component...more >>

Hello Can i use wsprintf in C#? is there any similar function ? Thanx ...more >>

Hola Cómo puedo saber el momento que un usuario de Windows ha cerrado la sesión?. La implementación de ésto debe ser desde un servicio de Windows que corre bajo la cuenta de Sistema Local. Muchas gracias por su ayuda ...more >>

Hello I have classes (definition and body) in several .cs files, each .cs file for each class. How can i 'include' them in my main project, so i could use that class ? Thanx ...more >>

I want to return string values like below public enum PropType { All = "A", Mature = "M" } Is this possible at all? Is there any elegent way to return string values using enum?...more >>

Even a ListBox causes large amounts of flicker when adding items: private void TestListBox() { listBox.BeginUpdate(); listBox.Items.Clear(); for (int i = 0; i < 20; ++i) { listBox.Items.Add("test"); } listBox.EndUpdate(); } Removing the BeginUpdate()/EndUpdate() calls has no...more >>

I'm trying to sign a message using CrytpoAPI (I can't use CAPICOM because I have Biztalk could verify this sign). I'm traslating the example in MSDN library at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/security/security/example_c_program_signing_a_message_and_verifying_a_me...more >>

I have a seating chart web form that has over 50 entry field controls (tables/booths) where I use a DropDownList box to select a single company name from a single large list of organizations (200 plus conference attendees). All web form datavalues will be one of the same 200 organizations in t...more >>

H My application creates two files , i have to zip these two files to a a single file, how to use winzip functionality in c# Is there any builtin functions available with visual c# the two file are in text and binary formats , is it possible to Zip them and unzip in c# -----need hel ---------...more >>

I want to include icons as resources in my final C# .exe file in the standard Windows format. I added two icons to the project and set their property Build Action to Embedded Resource. This did not do the work. I managed to add the icons with the built-in resource editor but I will have to do...more >>

Hi I want to customize our IDE. I developed some Add-ins and would like to create command bar to access them directly. I'm not sure if the term of "command bar" is appropriat. I mean with it a group of icon like the standard one of VS.NET to create a new project or a new element .. How can I to...more >>

i'm planning to develop a client server system the client and server both able to upload picture client will upload the picture to a folder that reside in the server while server user can also upload picture to that folder also and then client and server can retrieve the picture from there. ...more >>

Hello, I'm a software engineer for a Dutch company and I am working on the improvement of a already made program and I've found a very curious problem. It consists of two parts, explained below: When one of my functions is called, the program works as it is supposed to do, but when I ...more >>

I've just recently messed with .NET /controls/, and I can't say I'm impressed. Several of them appear to be *highly* inefficient when it comes to screen updates (see my thread "ListView Unbearable" for a major example of this). These tests were run on a *brand new* PC, too. I can't bear t...more >>

Hello. I'm developing Windows.Forms based applications, and each will need per-user persistent data consisting of user preferences, last form size/position, and the like. Is there a standard or recommended approach to this? I'm aware that such data is often stored in an appropriate HKCU\Sof...more >>

Hi all, I want to have a number in a certain format. I took a look in the msdn and was happy to find the format-number Function. This works fine. But unfortunately, I can't find the format pattern specification. In the msdn I found some samples like format-number(5351,"#,###"), but not a de...more >>

Hi I would like to replace a string to an another into a text file (not a XML) Have someone a example that I can take a look ti Samuel...more >>

Has anyone else noticed ListView's unbearable flickering? I have a project containing a list-view with the following: - View: Details - Columns: 5 The following code causes the list-view to flicker: private void TestListView() { const int Num = 20; const string Text = "Test"; ...more >>

I need some example I have a dataset populeted through a dataadapter fill method i can add rows to my dataset , but i have an exception when calling the dataadpters update method. I already spent 7 hours to solve this, yet i still am no step further. I might be missing something around the ...more >>