How do i get XP Style look and feel for Controls in C# window application. All the controls i am using are Custum controls designed by inheriting .NET Common controls....more >>

I have a base class with a method that is to be called in the constructor of the inheritting classes. Is there any way of determining, say, the Type of the class that is calling it. e.g. class A { public A() { AddStuff(); } protected void AddStuff() { ...more >>

I see a lot of this: public void Dispose() { this.Dispose(true); } protected override void Dispose(bool disposing) { if (disposing) { yada.yada(); GC.SupressFinalize(this); } } My question is what's with the two implementations? Should you do this ...more >>

How to Authenticate NDS server using C# ...more >>

Hi all, I need some advice here regarding passing of collections between visual basic 6. I've got an application in vb and another in c#. I need to transfer the information created in the visual basic to update the application in c# constantly, so that both are synchronized all the time....more >>

How do you read and Write to the reg in C#? -Lou ...more >>

Hi, I have implemented a Service that is responsible for getting messages from a MS MQ located on a remote machine. I'm getting memory leak from time to time (???). In some situation, it is easier to reproduce (e.g.: remote machine not available). After about 1 day, I get a usage of 300MB of m...more >>

Ich habe es nun erreicht, ein textfile einzulesen das nun zeile für zeile im datagrid angezeigt wird. Nun wäre es toll wenn ich das textfile zum beispiel nach jedem blank in eine spalte zerstückeln könnte und meine frage hier wie geht sowas? Ich habe nun das ganze mit folgendem code im datag...more >>

I have a set of parameter names and values (essentially key/value pairs) that I'm reading from a DB. I need to temporarily store these pairs so that I can later format them an write them to a file. I will not need to look up values in the collection - just reading them in and sptting them back ou...more >>

Hi, What's the command(s) to set a parent node then add a Child node? Thanks, JJ...more >>

Hi All, Can anyone tell me how to add the equivalent of DescriptionAttribute for Properties to a public class Method and its passed parameters so it is displayed through intellisense. Have found many references to the fact that it can be done but can up to now find no example of how. Help w...more >>

I created a control that derives from the System.Windows.Forms.Control namespace. I then created an interface to which this new control must adhere, so that I could require future controls to provide certain functionality. In my form code, I'm not going to be sure of what types of controls the...more >>

What is the purpose of Trace.AutoFlush in a window form app? In a window form app, why needed calling "InitializaComponent()"? What're accomplished by such call? Other questions are related to the code below: protected override void Dispose(bool disposing) { ... base.Dispose(...more >>

I have a situation where an app writes data of various types (primitives and objects) into a single dimensional array of objects. (This array eventually becomes a row in a data table, but that's another story.) The data is written once and then read many times. Each primitive read requires unbox...more >>

Hi, I am very new to C#, how do I launch an external program? I mean something like the "_spawnl" functions in C++. I can't find anything in the documentation. Thanks! /p ...more >>

Hi All, I'm having a heckuva time trying to append lines into my multiline readonly System.Windows.Forms.TextBox I was expecting to simply do this: myTextBox.Text += "appending this line \n"; but it doesn't append a newline at the end of my string. It justs adds a little black box char...more >>

Hi, If I have this : public struct SGPoint { public double X; public double Y; } public struct SGRect { public SGPoint Emin; public SGPoint Emax; } How do I define a constant ? Example: public class SGGlobals { public const S...more >>

Hi, I have one question. If I have this product than I can make applications for sale ? I can make commercial programs ? I trying find information about but I can't find. Maybe this is product for education ? Thank's Boniek ...more >>

I've wrote an application that use internet explorer to download some html page, to get the document I use the Microsoft.mshtml library. mshtml.IHTMLDocument3 Document=(mshtml.IHTMLDocument3)this.WebBrowser.Document; This program work fine under windows xp, but under windows 2000 i gives me ...more >>

Ok... This may be the wrong forum, but it's the first place I'm trying. I'm new to C# and just implemented the 3-tier Distributed application from Chapter 1 (the first walkthrough) in the "Walkthrough" book that comes with Visual Studio .NET 2003 Enterprise Architect. My first observation is...more >>

Hello, We are creating an Office add-in. We are able to display the add-in successfully. However, we followed a sample program, and it displays a FaceID = 1044 (which is not the bitmap of the button we want to display). We want to display our own custom bitmap. How do we display our own c...more >>

i write some messages of my project in lithuanian it has some specific characters. The problem is that i can write these characters and i can compile the project and compiled pocket pc applicastion displays the correctly. But the problem is that after i close the project and open it again some...more >>

Here's a scenario I'd like to discuss in order to setup my VS.NET IDE properly and be able to prepare a distribution: a) I have a windows forms C# app using 3 shared assemblies I developed to include various functions. The 3 shared assemblies are strongly named, and some of them are also use...more >>

I'm having a time finding some examples of checkbox results in a database. I first tried setting up the fields as bit in the stored procedures. I have not been able to determine the output of a checkbox selection. It returns a true or false state. I need to know the type that it returns and how t...more >>

I am trying to capture the key combination "Control + Shift + Enter" in a KeyDown event. I am able capture "Control + Enter" using (e.KeyCode == Keys.Enter && e.Modifiers == Keys.Control). How do I check if there are two Modifiers?...more >>

I thought that you it is forbidden to create an instance of an interface. But a help example (search for Explicit Interface Implementation Sample) from visual studio has the following sample code: // Declare an instance of the English units interface: IEnglishDimensions eDimensions = (IEngli...more >>

Hi All, I am using the following: Response.WriteFile(strCompleteFileNameAndPath); Where the strCompleteFileNameAndPath contains something like "C:\\SimpleTest\\Bobtest.doc" and the ContentType is Application/msword. When prompted to save the file, I see the proper file type but the file ...more >>

I'm try to check how CG free up memory in intesive allocation situation. But it seems that after an collection, the memory is a bit larger than last time. For example, from I run the code below for 100,000 cycle after the first collection the size is '28,228' after the last collect...more >>

I have an XSL file that I am using to transform some XML data using this method below. The problem is that if I use an embedded .XSL file in the .NET assembly, I get an error indicating that the URI is invalid, however if I open the file from the harddrive in the current directory, it wor...more >>

how can I trigger an event whenever the mouse is clicked in ANY control, panel, etc in a form? thnx ...more >>

Hi, Since small method calls are inlined when the IL size is 32 or less. Take for example.. // Method (inlined) public bool getVal() { return someVal; } // propget public bool Val { ge { return someVal; } } Which is faster? If the method is ...more >>

Hi All, I have created a oledbdataadapter/OledbConnection and dataset. I would like to cycle through all records that the dataset has to implant into a treeview as nodes. How do i do this? This is a win app. Thanks, JJ...more >>

Hello, I have to retrive 2 columns from the database which have HTML characters like &lt; &gt; (the less than"<" and greater than sign ">")in their data. Is there any function in C# which can do this to convert these characters back to "<" and ">" signs. Please tell me asap....more >>

I have to include a text editor in my project. Do you know any good editor project on the net? Thanks ...more >>

I am trying to execute a Socket.Select() statement on an arraylist of sockets. The problem is that I can only go up to 64 sockets at a time. I know that I have to manupilate the FD_SetSize to increase the limit. How do you do that in C# in the .NET Visual Studio environmrnt....more >>

Is there a way to change the output of the ToString function for a boolean variable to display Yes/No? Thanks, Eric ...more >>

Hi I referenced in COM Dictionary object (like Scripting Dictionary) It has Items method that returns object What should I cast it to??? some collection? Ideas? SRSPLUSLib.SrsClass srs = new SRSPLUSLib.SrsClass(); srs.Startup(); SRSPLUSLib.IDictionary dic = srs.DomainInfo(domain,tld); ...more >>

Hi, I can't seem to find this class that according to the docs is in System.Web. I am using .Net Enterprise 2003 with .Net 1.1. A lot of the classes that are documented as being in System.Web are in System.Net..? Rob. ...more >>

Hello, I'm new to .NET so bear with me as I ask a simple question. I'm attempting to utilise a component developed by another developer. Unfortunately when I try actually create an instance of the class I want I get an access is denied error. The exception stack is as follow; strExcep...more >>

Hi All, I am checkinf to see if there is a way to determine the Response.ContentType of a file residing on the server in order to set that property prior to issuing the Response.WriteFile(FileName)? Thanks in advance!! Bob Hanson Centare Group Ltd. *** Sent via Developersdex http://ww...more >>

Is the irda socket based api for windows platform specific ..the dotnet framework (non-compact :)) doesnot seem to support IRDA based communication.Can any one give me a few hinters as to how to achive this... Regards, Ajay ...more >>

I have an application that uses SendKeys.SendWait(...) to send RTF (formatting and all) to a word. I was hoping it would parse the formatting, therefore retaining the original formatting of the RTF but it treats the formatting information as standard text and displays it as normal. How do I te...more >>

Hello: Can i fill a Report in runtime using my own dataset? Greetings. Leo ...more >>

Hello, When I print out the result of GC. GetTotalMemory(true) it's so much different from the one in task manager. Say for example GC.GetTotalMemory() returns: 721668 (~7MB) while in task manager my process shows at a whopping 50MB!!! This is weird .. am I missing something here? thanks,...more >>

My c# application has gone beserk, it consumes 700MB memory griding my machine to a halt. What is the quickest way for me to find out what's happening? Where do all the memory has gone? /m ...more >>

Hi I use a COM object to interface with domain search from SRS and it returns: SRSPLUSLib.SrsClass srs = new SRSPLUSLib.SrsClass(); srs.Startup(); SRSPLUSLib.IDictionary dic = srs.DomainInfo(domain,tld); They say it is Scripting.Dictionary object ++++++++++++++++++++++++++++++...more >>

Hello, I'm creating an Office Add-in. The add-in works OK (I used the KB Article - 302901). The article states that you can change the add-in list of Office Apps by modifying the following registry key: HKEY_CURRENT_USER\Software\Microsoft\Office\OfficeApp \Addins\ProgID However, the re...more >>

Hi, Does anyone know of a good tool to help optimize C# code. Just basically tell you how long each line of code takes to execute, so you can easily find the bottle neck in the code. - Thanks ------------------------ http://www.xpcoder.net...more >>

I've been trying to dynamically create a class DevT that's derived from a generic base GenBase<T>. It doesn't seem to work. I'm attaching a code sample below that illustrates the problem. CreateType() fails when the base class is a parametrized class, as in DevT : GenBase<int>. CreateType() w...more >>

Hello! I want to drop an email in my C# application. I get the drop event and the dataobject. But i cannot interpret the data in the dataobject. So i cannot get the email. I have found a code sample for getting appendix via drag&drop, but this doesn't work for the email, too. Can somebody give...more >>

Hello, I'm stuck with this question: Lets say I have a DataView with 10 columns, 5 out of which are displayed in DataGrid. Record Id is not displayed - so how do I figure out the Record Id of currently selected row in DataGrid ? Thanks a lot....more >>

Hi all: I have a SQL Data Table with some values of type "float" (set in SQL table design). I am trying to read the values via a SqlDataReader (this app does not use DataGrids) and for some reason I am getting a "Specified cast is not valid" message. Anyone out there know wassup with that? ...more >>

Has C# librarys a class of constants that referr to all the RFC 1766 langauge codes? Ie., "En-us" , "En-Uk" etc ...more >>

Hi, Since we will be getting PARTIAL file types, how will the IDE file listing and class listing highlight this? Would we have to do workarounds in the filenames to indicate partials obviously or will the IDE have some kind of visual cue? Thanks ...more >>

I am trying to automate a series of form posts on a website. This site requires that my session be kept alive through successive posts (it basically tracks me by a sessionid, and if I get a new connection each time, I get a new sessionid). An HttpWebRequest object has a KeepAlive property that ...more >>

I'm always curious on some of these style issues if there seem to actually be objective reasons for doing things one way or the other, so here goes for a little lighter discussion. 1) Default constructors. Do you always write a constructor for every class, even when it doesn't do anything sp...more >>

I originally had all of my C# work on my local PC. Because this is dangerous I moved it off to a network drive. Since I did this I can no longer compile my code - I get the error below. The type or namespace name 'IWshRuntimeLibrary' could not be found (are you missing a using directive...more >>

I need little help in my situation. I am reading a graphic file (jpg) from disk and then resizing it and save resized image. What happens, it gets blured, I want to retain same quality so that small image won't be blur? any tips or idea or technique? Thanks in Advance....more >>

Does anyone know how to read the time and date from the computer clock in C# Thanks, Dunba ...more >>

I want to use the next code: string connString = "Provider=MSDASQL.1;" + "Persist Security Info=False;" + "Extended Properties=\"DSN=&#1060;&#1072;&#1081;&#1083;&#1099; dBASE;" + "DBQ=D:\\C#\\I762_DBF\\DBF;" + "DefaultDir=D:\\C#\\I762_DBF\\DBF;" + "DriverId=533;" + "MaxBufferSize=2048...more >>

Is there an easy way to get the binary representation of an int?...more >>

Is it possible to code VS Macros in C#? By default they all seem to be VB....more >>

Hello all, currently I am building a customized DataGridTextBoxColumn class. I wish to override the GetMinimumHeight() method. I think this method is being called by the DataGrid for each cell in the grid. What I ofcourse want is to resize the height of rows according to their content. Wh...more >>

Will it be possible to have more than one Iterator in a type?...more >>

Hi, i have the problem that a background WorkerThread is calling Objects remote (.NET remoting). Now if the conection is closed my Thread gets an exception. But the Exception should be handled by my Application. So how can i bubble(rethrow) an Exception in my background Thread so that the ...more >>

Hi, i have one file with all the UI stuff and one file with some classes doing several things. One of this classes should handle errors and update a textbox in the ui. How do i access this textbox when my UI is in a class called MainForm?? Thanks for any ideas! Cheers Thorsten...more >>

hi folks which datatype declaration is to be preferred in c# .net? ex. System.String sTemp = ""; System.Int64 = 0; or string sTemp = ""; int = 0; what is differentiated thereby? thanx and have a nice day....more >>

I have added a text file to a C# Web Project. I have placed an oledbconnection string into the text file. I can read the information and place the connection string into a text box which is not visible. When I load the connection string from the text box as follows: string connStr = ...more >>

Hi, I have a problem converting chars that are represented in more then 7F(in hex). I need to convert char to byte. When I cast chars into bytes it is no problem when chars are <= 7F(in hex), however when I do same thing to for example char (%divided by infinity which is 89(in hex) it ...more >>

Due to a HD crash, I had to reinstall VS.net 2002. Now when I build my c# project, the controls on my windows form shrink. Each time I build, the controls shrink. I can resize them, but they still shrink. Anyone have a suggestion as to what the problem is? Thanks, phknox...more >>

I have a class and one of the properties is a string. Stored in this string is the contents of a multiline textbox. All is fine except for when the class object is passed to a webservice to be saved in the database. Once passed to the webservice all instances of \r\n (Environment.NewLin...more >>

How can I download a binary file (like .doc or .pdf) from http to my harddrive using the .net framework? WebRequest objRequest = System.Net.HttpWebRequest.Create(url); objResponse = objRequest.GetResponse(); BinaryReader bsRead = new BinaryReader(objResponse.GetResponseStream() FileStream fs ...more >>

Thanks if you can help me out. It is for the same source I posted already (which I did figure out the problem :))...more >>

Does anyone have any experience integrating with FedEx via C# and ASP.NET? I am really frustrated with the lack of help from FedEx. Their example ASP.NET code consists of an empty form and a C# file that uses their objects. Thanks, Mike Schore...more >>

Hi folks, I'm trying to do the C# equivilent of the following and it's driving me up the wall. // assign base-class portion of an object to a given reference class base { public: int a; }; class derived : public base { public: int b; }; void main(void) { derived d; ...more >>

Why can a method have the specifiers extern and override together in its signature? A extern method is a function called from a native dll. but how could i override a function??? The same is for extern and the unsafe-modifier - aren't extern functions alwys "unsafe" in the sense of "non-dotnet-...more >>

Greeting, i receive from db parameter in bit format and tried to convert it to boolean: bool boolBhcg=(bool)prmBhcg.Value; as result i receive msg: Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more informati...more >>

Is there a way of inserting a mail into OE's outboox? ...more >>