I have a main exe program that have a status window. This exe program loads several dll files with Assembly.LoadFile. I want now this dll files to send my exe program messages so I can display it on my status window. Is there any way I can call a class in my exe program from dll files? The dll...more >>

hello i was trying to find something about it, but without success. What would be the simplies way to implement incremental search in developer express tree list component? thanks for any advices luke ...more >>

Hi, Can anyone recommend any decent .NET UI libraries that work [well with] Managed DirectX? Preferably with C# source available, but this isn't a must. I'm currently checking out a lib called 'MCDX', which looks relatively comprehensive at first glance. Any other suggestions would be very ...more >>

Hi, I have created a custom component in c#, and I have added a new event to it. I have a problem however in getting the event to show in the event list in the properties window. I have declared the event as follows: public delegate void DownChangeDelegate(object sender, bool DownState...more >>

I have inherited an application that I am not very familiar with and I would like to know if there is a way to produce a trace of what methods were called and the order in which they executed for particilar instances. Nothing fancy just something that would maybe log each method to a file as ...more >>

Hi, all: I know it's strongly recommended against, but I believe my application runs much more smoothly if I call GC.Collect() in a worker loop. If I omit the call, I get an OutOfMemoryException from Graphics.DrawImage() halfway through. The loop in question is creating, resizing, and dr...more >>

Has .NET any XML-based validation framework or tool classes to validate parameters passed to an Web Service? I need only couple of types validation - is parameter passed to Web Service method empty - does parameter belong to certain value set which is mentioned earlier somewhere in XML fil...more >>

anyone know why my debugger has stopped working. all i get is the JIT debugger cheers guys shiznit ...more >>

Hi NG ! I use a COM-Lib from Lotus Notes Domino. If I initialize a NotesRichTextItem i get the following exception: An unhandled exception of type 'System.Runtime.InteropServices.COMException' occurred in messagemaintainer.dll Additional information: COM object with CLSID {29131533-2EED-1...more >>

as per ms, we should use 3rd party tab controls (to set background color of control, right/left, sliding animations, etc.) what's a good tab control recommendation? tia, ..V...more >>

Is there a way to receive a message when the monitor turns on/off? Such as in wndProc? I want to run some code after the monitor turns back on. And when the mouse moves or the keyboard moves it turns on the monitor so i will never know when the monitor turns on unless a message gets fired back...more >>

I would like to create add-in for outlook which will add a button to message toolbar. When user clicks on that button I would like to show him a form with some data from database. When user select the right data on that form than I'll save the message to database or some folder on disk r...more >>

as per ms, we should use 3rd party tab controls (to set background color of control, right/left, sliding animations, etc.) what's a good tab control recommendation? tia, ..V...more >>

Hi, Someone suggested I try this, but I still get the error message: No overload for method 'Invoke' takes '0' arguments What am I doing wrong? using System; using System.Data; using System.Data.Common; using System.Data.SqlClient; using System.Data.SqlTypes; using System.Text...more >>

I'm writing a program in C# and found a couple of threads about how to check the status of a printer before sending it any data, to ensure that the printer is ready to print. They say to include the System.Management namespace. This is where my problem is, I have no System.Management namespace...more >>

Did the Quick Console window make it to the RTM version of VS 2005? I can't find it on my VS 2005 Pro menus. Thanks David Veeneman Foresight Systems ...more >>

How can I change a particular char at a given index.... I want to do something like: strText[2] = 'b'; But apparently the "strText[2]" is readonly? Is there another way to get access to a particular character? ...more >>

We are using Visual Studio 2005 to create a .NET Compact Framework 2.0 application. In our solution, we have several projects. Sometimes, when trying to build the solution, we get the following error: The "GenerateResource" task failed unexpectedly. System.InvalidOperationException: Collecti...more >>

Hello, Please pardon my ignorance as I'm sure this is easy to do. I have a datagrid where I want to let the user delete columns. I added a context menu to the datagrid that has a delete option. If the user right clicks on a column heading can I highlight that column and then delete it? I'm ...more >>

I have an object which I want to be serializable. I have marked with with [SerializableAttribute]. The object only has a single data member, which is a LinkedList<int>. This linked list is a private member and cannot be exposed publically without violating encapsulation of the class. If I ...more >>

'Asc' returns an Integer value representing the character code corresponding to a character 'Chr' is the inverse and returns the character associated with the specified character code What are the equivilents in C#? ...more >>

Hi, I have an application bound to a database through ADO.NET, how can it be notified when the database content is updated by a third party ? If you have any idea or link that I could read I would very appreciate. If ADO.NET is not the solution, with which engine can this be done? Tha...more >>

I'd like to automate the process of shrinking .jpg files using C#. I'd like to point at 1000 files, shrink them to 30%, and then resave the new files. I've seen the Graphics.DrawImage method, but this appears to be used for display only? What classes/method would be most useful? Thanks ...more >>

I know that this isn't a C# question, but I can't find a newsgroup specifically devoted to ADO.NET, other than a moribund one that deals with ADO in general. This problem is driving me to distraction. Maybe someone else has run across the same thing. I'm using ODBC to build a joined table i...more >>

I cannot find the cursor property of the form... under the initialization i try: this.cursor = ... but that gives me an error saying it does not have such property. Under the drop down menu that comes down after "this." there really is no cursor property. What am I missing?? Currently d...more >>

I need a cookie to be sent by e-mail. So that by opening such a mail a cookie would be stored in appropriated place by client. Then the subsequent requests from this client to corresponding web-resource would use this cookie. How such an e-mail should be composed? Best regards, Igor. ...more >>

Hi, I want to buy a book for learning C#, do you have any ideas? Tanks, Paulo Praça...more >>

I'm trying to figure out how to query an assembly (in this case an aspx code-behind DLL) for its current version (major, minor, build, ...), and basically expose it as a property... public string Version { get { string version; version = ....; // code to extract version info ...more >>

Hi all, What is my requirement is i want to get the TCPIP data from TCP Port.I had written the code in c#.Net.What i had written the code is pasted below.what i written the code is correct or not according to my requirement.Using this code i didn't get any TCPIP pcakects data.Any one can modif...more >>

I was able to use the different Crypto providers to encrypt data, but this is a little too much. The encrypted strings are too long. I don't need this to be REAL secure. This is what we used in VB.NET, and I would like to convert it to C#..any help would be greatly appreciated: 'The functio...more >>

I have a new software product that I need to promote. I want to get the maximum exposure. This product is very relevant to all the MS Windows programming groups. How can I best promote this new software for maximum exposure without violating any SPAM policies? Thanks ...more >>

I want my app to create a file in a convenient exisiting folder. The logical place to craete it would be the application's installation folder. Is there any way that an application can get the path of its own installation - or, equivelantly, the path from which it was run. (I was going to use ...more >>

(aside: I notice that when moving east you don't check west, so ignore my A, B example, but I can still imagine a circle with 4 nodes) (aside: running with your existing code (i.e. without a major rewrite), you could possibly use an enum instead of a string for dirFrom - it would probably b...more >>

Okay in my coninuing forms saga I have a situation where I am spawning a new form from my main form: ////////////////////////////////////////////////////////////////////////////////////// frmFindReplace frmFind = new frmFindReplace(this); frmFind.Show(); bFRVisible = true; ///////...more >>

Is there any difference in resource usage (or rather disposal between) using (something resource intensive) { DoSomething() } return ....and.... using (something resource intensive) { DoSomething() return } -- Paul...more >>

Hi, I am looking for pop3 proxy in c# or guidelines how to write such. in generel my proxy will delete or alter some messages. Thanks in advance ...more >>

Hi all, I *have* to use unsafe code, but I have a questions : it seems I can't use delete to free something like : int * myarray = new int[size]. What should I do if I wanna create/delte/resize such an array ? I'm afraid I didn't get all about the unsafe code ! Clearly, how should I use the...more >>

I have a question regarding the RECT structure required for PInvoke calls. I was reviewing the Rectangle structure (System.Drawing.Rectangle) and it occurred to me that I may be able to use this structure in place of defining a RECT structure. I would create the RECT structure definition the ...more >>

How to remove only selected item? Hrcko ...more >>

FRIEND, As are you, Brandon and www.ChezBrandon.com are intelligent and awesome. May you have an awesome day. A succinct warning: Elements of the Mossad, sated with cash from the murderous and destructive narcotics trade -- for example, according to Reader's Digest, cocaine alone costs US ...more >>

Hi, Sorry I though that it was quite trivial what I was asking but I guess not, I will explain. :) What I meant is to call methods (and not classes, that was a misnomer sorry) in a class that differ only by a number. The reason as I am looking at it right now (that might change later upo...more >>

Hi NG ! I have already written a task about MVC and I tried to get the best informations together. I would like to implement the MVC pattern and it work on the way I did it. At first i know the MVC-ipmlementation from the JAVA by using the observer-pattern. I used an interface IObservable ...more >>

First of all, sorry if crossposting bothers you -- I don't normally do it, but both of these groups seem relavant to my questions. Alright, the time has finally come to make an investment in time and money to jump start my career again. I am currently a VB6/ASP programmer, but worse yet, I am...more >>

Hi, I need to insert more than 500,000 records at the end of the day in a C# application. I need to finish it as soon as possible. I created a stored procedure and called it from ADO to insert one by one. It is kind of slow (seems slower than using a DTS package to import from a file). ...more >>

Hi, My program has to be able to call on many classes that differ only by a number and rather than use a switch statement I was wandering if it is possible to do it in C# as it is possible in other languages. For example, if I want to call any one of 100 different classes named clsNo1, cl...more >>

The following code hangs at the GetRequestStream after a few loops of succesful execution: while (true) { HttpWebRequest httpRequest = (HttpWebRequest)WebRequest.Create(new Uri(strUri)); //add headers here httpRequest.Method = "POST"; httpRequest.Referer = strReferer; httpRequest.ContentT...more >>

Back in the "old" C/C++ days, I used to declare static variables inside functions. Something like... // just a silly example to demonstrate the technique int foo(void) { static int NextVal = 0; NextVal = (++NextVal) % 317; return (NextVal); } I use this technique/style for ma...more >>

Ciao a tutti, sto sviluppando un applicazione windows, in breve all'interno dello stesso namespace ho un form con una datagrid e un thread che effettua dei controlli e "dovrebbe" caricare i dati sulla datagrid stessa. - nel namespace ho dichiarato un riferimento al form in questo modo: pr...more >>

I post this question last week, no good answer, so I post again. Sorry about this. I use WebRequest.Create/WebRequest.GetResponse to handle HTTP request in a VS2003 project. I got HTTP violation exception on some of the machine. So I did the research, and found to put <useUnsafeHeaderParsin...more >>

I want to get a list of users from a specific AD group. I use this code: **************************************************************************************** SearchResult result; DirectorySearcher search = new DirectorySearcher(); search.Filter = String.Format("(cn={0})", groupName); sea...more >>

I am writing an application using the ASP.NET Configuration Roles and Users. The problem I have, in my C# I need to work out which type of user just logged in. I am currently using: string[] role = Roles.GetRolesForUser(); This give me a string "Administrator" etc. My C# code looks lik...more >>

Does anyone know of an implementation of a web browser that will allow programmatic control? Specifically, I need access to read the cookies collection (session cookies included) and control the browsing to various pages. I'd prefer managed code, but I'd settle for unmanaged as well. I've loo...more >>

I have a DataGrid control on a Form. The data of the control is added by another application by Remoting. It means that a worker thread is invoking a UI thread. Therefore I used a delegate in the Form invocation like this: public delegate void AddDefectEventHandler(string xmlDefect); public...more >>

Is there any way I can find out if there is any user logged on the desktop from a service? ...more >>

I have the following code: private void LaunchForm() { Form1 form1 = new Form1(); form1.Show(); } My question is, where does form1 "go" once the method has exited? Specifically, I'm interested in not having to put try/catch blocks inside every method of my form, but rather have o...more >>

In the Form there is the Control/System menu. I wish to prevent this system menu from poping-up although the minimize, maximize and close buttons is still shown on the Form caption bar. How can I do that? ---------- Thanks Sharon...more >>

Hello All, I am using NumericUpDown control. I have set Decimal places property to 3. Problem is that when I programatically assign it a value which has 4 digits after decimal point , it rounds the value to 3 digits. E.g. 0.0695 --> 0.070 How can I prevent this rounding? I want the value to ...more >>

Hi, I'm developing asp.net web application and doing some part of the Export data to Excel using XMLSpreadSheet Language. But, I'm unable to set some new properties like autowidth for cell and color formats for cell. Can any one give some good links or examples using XMLSS for the ...more >>

I have given multilingual support to my winform application, everthin is working fine, but when i compile my project it generates multipl resource dlls for all the languages. Is it possible to combine or merge all the resource dlls of all th languages in one single dll. Visha -- va_a...more >>

Hi, I need to check the SE_TCB_NAME previlige for the current user using GetTokenInformation api call.i used the api call and get the privilege,but i am unable to go thru each previlege to check whether SE_TCB_NAME is enabled or not.my code is below[C#} using System; using System.Drawing; ...more >>

I managed to put together C# code and have it do the following: 1- Get all the table names that start with the letter "Z" from sysobjects of my SQL 2000 database and put these table names inside an array variable. 2- Loop through each table name inside the array 1 to 1000 tables 3...more >>

hi all, i have a c# application.In that i am using the httpwebrequest and httpwebresponse class to send request and to get the response. In the uri i am directing it to a aspx page.In the aspx page i have generated an xml file.And using the two classes i am getting the result per...more >>

Hi I have some legacy code written in C++ and I am trying to add a GUI (plus some other functionalities) using C#. Thus the problem that I am facing is to have C# and C++ live together. I am thinking that the 2 worlds would communicate using a managedC++ layer. So in C# I have some utilit...more >>