Hiho NG, I've created a tool (tray application) like "keytext" or "shortcut" that is a little tool where you can store text components which you can call from any running app. Such a stored text will then be written on any focused text control. So far, so good. It works quite well. The tool...more >>

I'm trying to update my ability to make something happen in a windows environment and find that a lot of water has gone under the bridge. Apparently, in today's dot net development as opposed to VS6, a fella can mix managed and unmanaged c++. q1) Is that something a prudent person would do ...more >>

C# won't let me do something elegant. I'm creating a class and want to give it "write to file" and "read from file" methods. I'm actually using the XML serializer, but that's not the problem. The problem is that I cannot, after reading the data from a file, assign it to 'this'. So even...more >>

Hello all, I have an application that is accessing files from a mapped drive. I have full access to the share that is mapped and from explorer can delete files as I need. My application needs to be able to delete files once the are processed, but using File.Delete does not seem to be deleting...more >>

Hi All, i need to find the address of a variable which is of the type system.drawing.bitmap which is a managed datatype. how to i get the address of the variable created of that type regards Abhishek ...more >>

Hi, I am pretty new to regex, and I am trying to find a why to do: 1) I have a paragraph "... the black monkey (gamma5) is the one who develop the first inmunoresitance to alpha-23 also there..." 2) I need to match everything (from some point) until a certain word (example until alpha-23)...more >>

Relatively new to C# and I have an odd situation. When I show a messagebox when catching an exception, the message shows briefly then disappears. private void PopulateBrands() { SqlConnection strSQLServer = new SqlConnection(strConn); SqlCommand cmd = new SqlCommand("sel_BrandsEST", strSQLSe...more >>

I'm exploring how to programmatically disable/enable devices in a system using C#. -MH ...more >>

consider the following oversimplified and fictional code public void CreateInvoices(Invoice[] invoices) { IDbCommand command=Util.CreateDbCommand(); foreach(Invoice invoice in invoices) //lets say you have 200 invoices { command.CommandText+="INSERT INTO Invoice(Amoun...more >>

Hi, I have bunch of image files I want to add it to the resource file at the design time and I would like to read them from the resource file. Could soneone point me to a link or give me some advice on how to do this? All the search I found is to add them through programs but I would like to do...more >>

Is there any way to accomplish this? The forms _Load event fires off several other small ones that I'd like to track time for. I can't get either the Mdi Parent form's timer _Tick event or the child form that I'm opening's _Tick to actually fire off. Any help any of you gurus can give me ...more >>

Hi Have a method that rounds a currency value to the closest quarter. It works fine as long as the value is above zero, below zero it rounds to the upper integer. Any working solution is much appreciated. protected void Page_Load(object sender, EventArgs e) { double d1 = 2.73d; Re...more >>

Hi Have these to work with. int counter = 0; //The total item to fill the collection with int increment = 2; //Any number int current = 244; //Quantity int max = 1290; //Max Quantity int min = 0; //Min Quantity, is 0 or the increment value List<int> list = new List<int>(); //A simple ...more >>

I need to write an ASP.NET application which can do the following: 1. Create a socket which will stay alive and continously read data. 2. The data read needs to be displayed on the webpage. 3. As the data is received, it needs to be displayed as its received. I have made an attempt, but hit ...more >>

Hello everone, I am a newbie and I have a recordset that returns the values XXXXMain XXXX1 XXXX2 XXXX3 XXXX4 XXXX5 XXXX6 YYYY1 YYYY2 YYYY3 YYYY4 YYYY5 YYYY6 ZZZZMain ZZZZ1 ZZZZ2 ZZZZ3 ZZZZ4 but I would like the show the results in a tabular format according to the first 4 c...more >>

Does anyone know where can I download icons for representing Forest and Domain in a Treeview representing a network Forest and domains? -- Thanks....more >>

Hello. I'm trying to create an Image so I use something like this: Image newImage = Image.FromFile(filename); Now when it's a bmp file and certain .gif files it gives me an exception that says: "Invalid parameter used". The gif an bmp files are valid image files, I can open them in any gr...more >>

I understand what a unit test is. No problem there. What I'm wondering is what, specifically, do most of you more experienced developers mean by "writing" a unit test. Am I correct to believe that you are referring to some way you *document* your tests? If yes, can you provide some example?...more >>

I posted the question on how to do this last week and got it to work at home just fine. Now on my machine at work, I can't get it to work anymore. I've checked the permissions on the web site root folder and it has script & execute permissions. I also checked to make sure the anonymous user h...more >>

Hi All: I have a .NET webservice accepting an XML request document as a parameter How do I call this webservice with ServerXMLHTTP object from my VB6.0 client? I have enabled the HttpPost and HttpGet protocols in the web.config file. This is the calling part: Set xmlHTTPRequest = New...more >>

Are there any built-in functions, contols or sample code avaiable to implement this? I'm coding a form with treeview on left and listview on right of a container control. It's like the Active Directory's computer, user and groups console. The backward and forward button would change the d...more >>

Hello All: I have an executable that makes several asynchronous calls to a web service. The executable increments a counter for each async Web service call and decrements the counter whenever the call returns. When the counter == 0 (i.e. all calls have returned), I do some clean up and cl...more >>

i have this: new System.Text.RegularExpressions.Regex("^\d+$") // \d by itself failed as well. but the compiler generates "unrecognized escape sequence". so i changed it to this: new System.Text.RegularExpressions.Regex("^[0-9]+$") and it worked fine. What am i doing wrong? A...more >>

I am creating an XML webservice where by I am sending the a string of XML to the consumer. The consumer receives the XML and converts into dataset and able to update the rows to the database. The problem I am having is when I create the intial dataset in XML web service, I use the ADO.net to po...more >>

Are there serious to moderate performance issues to weigh when deciding to use the 'is' and 'as' keywords over - let's say - more explicit checks for null and type? Any best practices or heuristics for their usage? Snippet 1: if ( obj == null && obj.GetType( ) == typeof( MyType ) ) { My...more >>

I compiled *.cs which contains public partial class xxx: System.Web.UI.Page I got errors as below: xxx_cs.aspx.cs: error CS1518: Expected class, delegate, enum, interface, or struck. Please help. Thanks ...more >>

I have been developing in C# for a few months now and thought I knew the language but recently I came accross the code pasted below. What is <Theme>? I don't understand the use of <> other than greater than or less than nor does my C# book have any such code in it. There is a class named ...more >>

I was wondering how to set the default values for a combobox in a DGV. Now, the boxes just show up empty. I tried searching throught msdn, but no luck. Anyone know what property to set? Also, how can I reorder columns in a DGV? When I added the combobox, it put it at the end. I need it in anot...more >>

Hello, I have a newbie question about class scope. I am writting a little program that will move files to one of two empty folders. I am having a hard time understanding scope. So this will be a two part question. Part 1: I have a form with a text box on it that I want to spit out resul...more >>

Hi Everyone I was wondering if anyone could help me out with fairly straightforwards problem I have. I have an XML document (in a namespace) and I would like to loop around one level of the child nodes, and insert a new value to each node. It needs to be fairly efficient too. I guess th...more >>

My website session is timing out frequently. I have modified the web.config file such that <sessionState timeout="60"/> and also at the Page_load, I have assigned Session.Timeout = 60; but my session expires in about 5 minutes. What is going on and how to fix it? Thanks. Jess ...more >>

I know that there is an rtb.SelectionStart and rtb.SelectionLength where you can set the length and beginning index of highlight in an RTB. but, say I wanted to highlight multiple items at once (for example, go to MS word.... type in the same word a few times and then highlight what you typed. t...more >>

Hello, I am new to c# and have become confused about freeing resources. I need to know if using an objects Dispose method does the same thing as setting the object to null? Pen bluePen = new Pen( Color.Blue, 2 ); //use pen bluePen.Dispose(); as opposed to: Pen bluePen = new Pen(Col...more >>

The documentation says: System.Type.DeclaringType ~~~~~~~~~~~~~~~~~~~~~~~~~~ public override System.Type DeclaringType [ get] Member of System.Type Summary: Gets the class that declares this member. System.Type.ReflectedType ~~~~~~~~~~~~~~~~~~~~~~~~~~ public override System.Typ...more >>

I use foreach loop to access rows in a datatable like this: DataTable dt; foreach ( DataRow dr in dt ) { // do something with dr } I want to access the first row in the DataTable without using foreach loop. How can I do it? Thanks. Jess ...more >>

Hi, I developed an MDI Environment with several MDIchilds and i would like to prevent the same MDIClient open twice. User clicks once and opens 1 mdi client window, user clicks again and if form exists calls BringToFront() method else if not exists, recreate 1 new mdi client wnd again. Until...more >>

Hi, I have developed a windows service in C# and I am using a Visual Studio 2003 installer to install it. When I am updating the service, I usually stop the service in control panel, close control panel (if I don't close, the service will often not properly uninstall), use software uninstal...more >>

Hi all, sorry for the newbie question. I'm new to C# and trying to do something like a Java Servlet. My goal is to write an AJAX web client that calls a C# class with an XML Request, and that gets an XML as a response.(Without using the AJAX.NET professional framework) I did something lik...more >>

Hi folks, >From time to time, you've probably seen a dialog box that opens up and has got a button, that enabled user whether to send some sort of data (when an application crashes) to Microsoft. I would like to know that is there anyway to incorporate this functionality to our code? i.e., Is t...more >>

Hi all when I was discovering Visual studio .Net 2005, I tried to put about 50 buttons on a form and run the application, but I had got a strange behavior, that is the buttons started to be painted one after another making a feeling of flicking, I tried to many ways to overcome this by using...more >>

Hi folks, I am building a simple app which uses a splash Screen. As there will only be one instance of the Splash Screen ever running at one time I am thinking that it makes sense to make the Splash Screen a 'static object'. The Splash Screen is a Windows form. Does this sound like the sens...more >>

Are there any restrictions in using MarshalAs when p/invoke-ing from a class library as opposed to a windows application in .NET CF 2.0? The following code will not compile in a CF class library with the error MarshalAs not found. The same code runs happily in both a Windows Applicationa...more >>

Hi everybody, I am not sure where to put this in this forum. So, I posted this at several topics. I created a class library that has two public methods Encrypt() and Decrypt(). I reference this dll to a window application. I used DESCryptoServiceProvider Algorithm to encrypt and decrypt ...more >>

I've found it's no problem to insert instances of named delegates as values into a generic dictionary of the form : private Dictionary<KeyType, Delegate> myDictionary = new Dictionary<KeyType, Delegate); using the standard .Add method of the Dictionary, passing in the name of the del...more >>

can anyone have idea how to read PDF files in C#... or do u have any link to some plugin... that i can use in my program thank u ...more >>

Hi, I want to get all key press messages and for some keys I want to generate extra key press messages to simulate fast typing. For example if someone press 'H' my app should catch and change it with "Hello". It should work system wide. I know little about hooks and playback but it does no...more >>

Hi, Just curious what does the @ system means in c#. Some of the sample codes i read it written as: bool bExists = File.Exists(@"c:\\hello.txt"); but i can get the same result as using bool bExists = File.Exists("c:\hello.txt"); Does @ has special meaning? Thanks ...more >>

Hallo, ich habe eine bestehende Datenbank-Applikation zu unterhalten, welche jedoch Probleme bereitet. Die DB-Anfrage dauert eine Ewigkeit, und sehr oft schlaegt die Abfrage auch fehl. Eine generelle Frage, wird beim Aufruf von: functionxy(selectWorklogCmd.ExecuteReader(), dest); das...more >>

Hi all Is it possible to change date of system in C# without using API?? thanks in advance ...more >>