I have a collection of objects that I store in the session. Then I look in that collection to see if the collection.contains an object. it answers false. If I dont store that collection in the session it answers true. Is the session somehow modifying the collection? The objects look iden...more >>

...more >>

I have browsed the Net and found some library called DevIL which was ported to C# by some fellow but apparantly while itloads some tga files many times it fails, not sure why- no errors thrown just no image displayed in my PictureBox. And this is using the reference app that they made as well....more >>

Hi. I made a method to execute queries in my database (Firebird embedded v.1.5.3). The Database class contains methods to create the database specific objects. public static DbDataReader ExecuteReader(String query) { // Creates the DbCommand DbCommand command = Database.GetCommand...more >>

Hi I stumbled to this : I have a form and in the contructor i put if (this.DesignMode) return; other code here The IDE designer throws an exception and points to a line in the 'other code" block . Any reason why ? ...more >>

What kind of wizardry do I have to pull off so I can capture a mouse click event or a key press event from OUTSIDE my form? Ideally, with either case I also consume the event so that it does not reach whatever app besides mine is currently in focus... but it's not totally necessary if it's ...more >>

Hi all, I'm trying to create an arraylist of a user control class... I'm able to define the list and add objects (panels) to it, but I can access and of the panel properties using an index... Is there a way to do this, or do I need to copy each node into an interim handle of the corr...more >>

Hi guys who just answered me.....it really would have helped if i had written it right. Ok i will use better names to explain my problem. I have this: InterFaceClass ^ ...more >>

Hi All, I had working code that made custom serialization on objects that = inherit from queue in the inherited queue I create my own GetObjectData: public void GetObjectData(SerializationInfo info, StreamingContext ctxt) { lock (this.SyncRoot) { IEnumerator Ienum =3D...more >>

Hey guys i have a set up like this: Interface IMyInt //interface class myClass : IMyInt //myCLass realises that interface class myOtherClass : myClass // a class that inherits from that parent bound to the interface class myClassA : myOtherClass //a ...more >>

I would really like somethign where I can get the RGB value of whatever my mouse is currently pointing at on the screen. How is this accomplished via C#?...more >>

I have a toolstrip button on a windows form. If my form does not have focus, when the user clicks on the toolstrip button nothing happens, and they have to click a second time for the button to operate. A System.Windows.Forms.Button also on the form does respond immediately - even if the fo...more >>

Hi everyone, Is it safe to call a GUI control's members directly from another thread. That is, if I launch a background thread when the user clicks a button on my form, can I safely retrieve info from one of its controls on that thread. I assume that behind the scenes the call will occur ba...more >>

I have a program in C# that needs to access a couple of C++ dlls and libs. Can this be done? Thanks, Tom ...more >>

I have a c# application. When I compile it produces exe file automatically. I want to run it from Query analyser. I tried exec master.dbo.xp_cmdshell 'C:\Inetpub\DOTNETDENEME\AlisverissaatiXMLHTTP\WindowsApplication1\obj\Debug\WindowsApplication1.exe' It returned *The system cannot fin...more >>

I'm trying to track down where objects are referenced because I want to clean up the memory when I'm done with them. I thought I found all references but it doesn't seem that way because calling GC.Collect() doesn't free very much. I ran the built-in profiler and I get a warning: "An abnor...more >>

I'm using c# to called a command line netsh ipsec static.... and the group policy store it on local even those I used "ipsec static set store location=domain" my question is how do I keep the command line is in the netsh eviroment? protected virtual void Init() { //...more >>

Hi everybody! I'm want to check if a certain port is opened or closed. now I'm using try-catch to connect to the port. if it fails, it meas that the port is closed. The problem is that this method is extremely inefficient! anyone has a better idea on how to do this kind of verification? ...more >>

Hi there, Is it possible to write the following function as a template where "EnumFlags" becomes template parameter T (where T will always be an enumerator with the "FlagsAttribute"). Nothing I've tried works, including use of a "where" clause since T must always be of type "System.Enum". T...more >>

I will soon be deploying an application on Windows 2003 R2 64-bit Standard Edition. The app will also be compiled for 64-bit. One of the reasons is that the application will really benefit from having more than 2GB available to it. The http://www.microsoft.com/windowsserver2003/evaluati...more >>

Hi, I am confused with behavior of this two Events in DataGridView control (in .net framework 2.0) when i am adding to grid a new text it calls RowsAdded event, but amaizing is that from time to time it also calles RowsRemoved event, that but that must be called only in deletion case. How can ...more >>

I am using the following C# code to print a PDF to a network printer. The document prints in portrait mode, I would like the document to print in Landscape mode. Is there/What is the argument that I need to supply to accomplish this? ProcessStartInfo startInfo = new ProcessStartInfo(); s...more >>

Hi All, I would like to get the name of the user given their networkID, is this something Active Directory would be useful for?(For intranet users) If so, can you please point me to some sample code/examples? Thanks in advance, Arthur ...more >>

Hi, I am new to the forms world and have a silly doubt. I have form with a DataGridview and an "Add" button. When the user clicks on the add button, one row gets added to the datagrid. Now I want that when the user hits the "Add" button, then new row should be added and all the previous rows...more >>

Is there any property within a TreeNode that uniquely identifies it against all other TreeNodes with the TreeView? I'd like to "tag" several nodes within a TreeView, and then later either add children nodes to them or delete the nodes completely. -- ----------- Thanks, Steve...more >>

Hi, Is there a way to get the current process's child processes? Or given a user, get all the processes that are running as that user using C#? Thank you in advance! Agnes ...more >>

This seems simple enough, Read an XML file, output it to the screen. Yes, I know that doesn't make sense but here's why I need it: I have a sharepoint list that I'm viewing the XML from, the URL is LONG and ugly, it comes from a .dll file. Ex: http://domain/site/_vti_bin/owssvr.dll?Cmd=Display...more >>

What are some examples of good code profilers out there (that arn't from red-gate)? looking for other options. thanks! This is for VB.NET and C# profileing (VS2005) ...more >>

Hi, I have been reading on interfaces working on samples I've run across on the web. For the life of me I cannot seem to grasp them. It appears to me that interfaces are simply blueprints to a class, that when implemented, they require the implementing calss to make sure that each of th...more >>

Hi, I am building application that uses MS SQL 2005 as a backend that stores sensative data (ssn, passwords....). Are there any good articles out there that discusses the options? Thanks ...more >>

Hi, I've got main() running in on a form. When a button on the form is clicked, an object from a class I made is instantiated, and does some stuff. I would like the stuff it does to be reflected in the form's status bar. For example, "Now deleting file 35 of 234." if the object was deleting a...more >>

Hi, I am using C# 2.0 along with MS Access database. All my queries are working perfectly fine, but one inner join query is ocntinously throwing. I ahve tried it both from code and running explicitly throw query builder, but to no avail. Query is "SELECT * FROM COMPANY_ITEM_PRICE as CIP INN...more >>

I cannot seem to locate the System.Net.IrDA namespace in C# express. Where could I get this dll? -- L. A. Jones...more >>

Can anybody tell me how to tell what codec is required for a file programmatically. I will have users uploading a file to our server and I want to limit the codecs we allow because the machine that is playing them back will only have limited codecs available. Also how can I get new codecs p...more >>

Hi, I am using C# 2.0 along with MS Access database. All my queries are working perfectly fine, but one inner join query is ocntinously throwing. I ahve tried it both from code and running explicitly throw query builder, but to no avail. Query is "SELECT * FROM COMPANY_ITEM_PRICE as CIP INN...more >>

Hi All, How do I get the source IP of a packet, not knowing if NAT has taken place. Thanks In Advance ...more >>

Hi everybody, I am looking for a way to create new files of different types (eg. ..xls, .pps, ...) the proper way. Tried to create a new, empty file with the correct extension and use Process.Start() on this file. This works for some filetypes / applications but not for all because not all app...more >>

Anyone know if it's possible to 'project' a (child) form onto a panel/frame of an existing form? (and how to do it?) i.e: Form_A has a panel_A Form_B (with it's content) has to be shown on panel_A (which is on Form_A), not using MDI-style Thanks in advanced!...more >>

I have a method that creates of new form each time its called do i need to dipose of the form when it closes or doe the garbage collector take care of it? code private void button1_Click(object sender, EventArgs e) { frmImportData ImportData = new frmImportData(); ImportDa...more >>

Hi, I'm implementing a plug-in interface and I want to allow plug-ins to add menu items to the host application's menu bar. I've given them a public method that is passed a ToolStripMenuItem but it seems that you can't /copy/ these things. You can only move them. At present plug-in develope...more >>

Hi I got the following error in my xxx.cs file (code behind file) According to the error message, I should add a form tag in the file. But form tag should not appear in a code behind file Can anyone please help. Thanks My Code in xxx.cs ================= protected void Button1...more >>

Hello, Is there any difference between ArrayList and List<object> ? Which one should I use ? Thanks. ...more >>

Hi. Almost every application have to write out some messages to the user. The question is how to store them. For example, while programming for Windows in C++ we could store these messages as string resource and load them using LoadString API function. I'm quite new to C#, and the best thing ...more >>

Hi: when I debug my project , it gives back me a error message, but I can't fix it. project XXXX.exe encountered unhandled exception class System.Runtime.InteropServices.COMException with message 'class not registered'. So can u tell me the reason? thx BRs ...more >>

If my application doesn't have focus and someone clicks on the menu, the menu click is "lost" as the form gets focus, and the user then has to click on the menu a second time to actually activate the menu. Is there a way for this focus click to be ignored and the menu to respond immediately...more >>