Although I program in C# and all of the projects I work on are in C#, I was just wondering why someone would choose VB .Net or C#. Since VB .Net is as similar to VB6 as C# is toVB6, why would a programmer choose one over the other? The reason I chose C# is because it's somewhat similar to C (and...more >>

Hi, I would like to know why an object Label cannot be used on 2 different object Forms at the same time? It has the impct of run-time error. Thank you very much. regards...more >>

have written an app to query a heterogenous network of Win98/WinME/XP/Win2000 machines. I can connect to WMI using the WMI CIM Studio but I get an ExecutionEngineException whenever I try to connect to a Win98 box from C# code. The following snippet works fine when run on Win2000/XP client...more >>

(addition to my last question) I want to make it possible to move a window with out a titlebar USEING a mouse. Thanks in advcance ...more >>

Hi, I'm working on a tool to do text indexing on documents and want to include support to index PDF files as well. Does anyone know any tool or method of extracting the text from PDF files into a .NET app? Thanks, Rukmal. ...more >>

How do I move a window without useing the titlebar (the blue bar on the top of the window). Thanks in advance ...more >>

Amazon wins patent for ordering forms, Collapsing and Maximizing Form Areas.... NAME OF PATENT Method and system for displaying and editing of information # 6,615,226 http://tinyurl.com/m7v8 **** CLAIM #10 **** __________________________ 10. A method in a computer system for ed...more >>

I'm new to .NET/C# and I've been programming C# for a month or so now. I'm not a C++ programmer, but I like knowing how stuff works, so I started reading a C++/COM/ATL book. I got about halfway through it before I started doing C#, and now I'm wondering why I should ever learn COM/ATL. An...more >>

Hi everybody, the previous error was my mistake but right now I changed the code to: private void btnUpload_Click(object sender, System.EventArgs e) { WebClient mClient = new WebClient(); try{ mClient.UploadFile(" http://mymachine/Pars/Images/Cop.jpg ","D:\\Cop.jpg"); ...more >>

I need to load a hashtable containing millions of records. Has anyone seen an example of a virtual hastable that pages buckets in and out of ram on the fly? Thanks. ...more >>

Hi newsgroup Does the c++ compiler generate faster code at execution time than the C# compiler? Does the c++ compiler have more optimisations than the C# compiler? Thanks in advance! ...more >>

Does anyone know of a SAML api for C#? I know about the Java & C++ APIs at the OpenSAML site. /harry ...more >>

I often run into situation where I would like to have a method such as that has derived behavior similar to destructors in c++, is that possible? public BaseClass { private int m_dataInBase; public BaseClass() {m_dataInBase = 0} public void SetDataBase( int val ) { m_data ...more >>

Hi everybody. I try to create COM server. I have interface interface Font { ... object Color { get; set; } ... } I expect that i will see interface Font : IDispatch { .... [id(0x60020004), propget] HRESULT Color([out, retval] VARIANT* pRetVal); [id(0x60020004), propput] HRESULT...more >>

Hi I'm using a typed dataset to transfer data between the layers of my application. I need to add attributes to some columns ( a flag true/false) . I have a method that will take a dataset as the parameter and modify the values of the columns that contain the attribute. The problem ...more >>

ROW Accountnr Amount 1 1001 12.00 2 1001 -12.00 3 1002 40.00 4 1002 -12.00 5 1002 -28.00 6 1003 30.00 7 1003 -30.00 8 ???? ...more >>

I don't get it. What's the main differences between overriding a base class's methods vs. hiding them? Thanks, /m ...more >>

I am using the Activator class and creating an instance by passing the type I want to create and the paramters for the constructors. My question is: Lets assume we got Interface A, and Interface B, and a class C that implements both. If I have two contructors, one takes an instance of a class t...more >>

Hi All, Reformulating a problem from a previous post: How can I access an application variable from a static method? When I try: string myString = Application{"thisString"].ToString; whithi a static method, I get the message: CS01020 "In order to use a non-static field, method, o...more >>

http://www.skidmore.edu/~h_blackw/finally.gif I can only catch the exception thrown in the finally code section. even if I do catch(InvalidOperationException) ...more >>

Hi Is there a way to get the IP address of the client who is using a web service (inside the web service?) Regards ...more >>

I have a datagrid with a dataview(created from a DataTable) bind to it. = It displayes coordinates and I have a toolbarbutton that will create a = set of new coordinates just like the existing ones, accept that the = x-values is mirrored. It's also possible to remove these coordinates, by = a me...more >>

For a c# web application, I created a user control that includes a form in control. The idea is, on the main Page, when the user clicks Submit from the master form, that makes the user control visible and gives it new functionality, but retains the look of the top half of the master page....more >>

hi, I am developing a Player like windows media player. I added some components from WMP. I want to load a playlist directly when .wpl file is loaded , can some one tell me how to do it. for example to add a song :: Playlist.appendItem(Player.newmedia(url)));...more >>

I am getting this and I have no idea what it means. All I did was install VS.Net 2003 and re-load my 2002 version project and re-compile Thanks, JIM Signature of the body and declaration in a method implementation do not match. Type: MyType. Assembly: MyApp, Version=3.0.1355.26622, Cu...more >>

If anyone knows how to do this. Thanks in advance,...more >>

Hi everybody, I am trying to upload a file to my local server (http://mymachine) using the code below, what I get as error is: "... ---> System.ArgumentException: URI formats are not supported. ..." I have also tryed the destination without file name (ommiting "Cop.jpg") and got the sam...more >>

Platform : Asp.Net/C#, Framework 1.1 -------------------------------------------- I have many overloads of constructors/other methods in most of my classes. I want to provide some descriptive help when people cosume such classes, just like MS does say when I say : new DataSet( and I get a ...more >>

If I write a C# routine and compile it as a DLL then place a reference to in in my Web App (called: myapplication) it gets deployed onto the location: [web root]\myapplication\bin\mydll.dll If this C# routine opens a file called: abcd.txt (note there is NO PATH INFO - just the file name) Wh...more >>

NEWS.COM Amazon wins patent for ordering forms # 6,615,226 http://tinyurl.com/m7v8 http://news.com.com/2100-1017-5070569.html In its latest patent, the online retailing giant outlined a method for expanding portions of the ordering form, then collapsing that portion of the form and re...more >>

Is there a command where I can check ( putting a tick mark ) all the nodes within a treeview when the user checked the topnode of the tree ?? thanks regards. ...more >>

Hi. I have created a templated control, and I want to know how i can set it up so that the projects consuming it will have all the same intellisense benefits of using any other server control. It will be used by multiple projects. ...more >>

The following struct, DataStruct, is only part of a larger one that contains additional fields and arrays. I need the explicit layout because this struct is really a union, where some of the missing fields and arrays overlap. What's shown here, though, is sufficient for explaining the error. ...more >>

I have a form with several textboxes, checkboxes, and comboboxes that I want to dynamically databind to a column in the DataRow being passed in when the form is intantiated. I have named the fields the same as the column names that will hold the values. I am stuck. This is what I have s...more >>

New to C# - previous use of C++/MFC OK - there apears to be no similar construct to the ASSERT( ) that MFC used to use - TRUE or FALSE ( sorry - true or false ). Also I create a derrived component ( assembly ? ) and use it on a form - OK so far. Component and form are part of the same...more >>

Hi there! Is it possible to get the values of an image in an image servercontrol. Remeber its not the size of the control, but of the image that has been loaded in the image control. thanks in advance -Lars ...more >>

Back in the Old days, I compile a C++ executable, copy the dll's used by this executable to the same folder. Go to another computer, copy that folder locally, double click on the exe file and off we go.... Today, I have a C# .NET executable, I copied the used .NET dll into the same folder. Wen...more >>

hello, how can I programatically switch on/off the browsing images and playing sounds in IE ? I need to change the check boxes which are at "Tools->Internet options...->Advanced->Show pictures" thanks. Vladimir ...more >>

I upgraded my 2002 project to 2003 and I am getting several of there errors on my forms xxxForm.resx Resource transformation for file 'xxxForm.resx' failed. Possible Version mismatch. Type System.Globalization.DateTimeFormatInfo has 38 members, number of members deserialized is 35. Now, whe...more >>

Hi, I want to do the following- But it is giving me an error- mySB.AppendFormat(" Hello " "How Are You{0}", strName); I was able to do this in C++. Thanks Jay ...more >>

Is there a benefit to using C#? ...more >>

For examples sake I have made up a very simple example. I have an object called foo1 which is of type foo. I want to be able to call a funtion called myfunc as follows: myfunc(ref foo1) here's the function : public void myfunc(ref object foo) { do some stuff } I get the follow...more >>

Hi I would like to center align the menu that gets displayed when right mouse is clicked. In MFC, the function TrackPopupMenu takes a parameter that determines the alignment of the menu (left, right or centered). How do I do that in C#? Regards Sundar ...more >>

I have a instance of a StreamWriter and I need to get the path and filename to which it is attached to. This sounds easy.... I feel a bit idiot not finding it! José ...more >>

I would like to know if I use C# instead of Vb.Net for Server components, will there a performance improvement ? TIA, Gary ...more >>

I have a collection that can have a reference to various types of arrays. String was easy: ... string[] sPropertyArray = (string[])oReturn[oProperty.Name]; foreach( string sItem in sPropertyArray ) { ... How do I handle a UInt16 array? I have tried( and various permutations)...more >>

Below a rather simplistic example of a list view routine. Say I want to have "over" appearing in red on the display, how would I do that? Many thanks, Patrick. patrick.de.ridder@hetnet.nl *************************** using System; using System.Drawing; using System.Collections; using System...more >>

When I paint a image, the image disappear when a use a selectiontracker on it, is it possible that the image stays visible when i use the selectiontracker? I found a stupid solution, it isn't good because it always repaint the same image and it flickers during the use of a selectiontracker......more >>

Hi All: If I want to connect to an Access data base, the aspx page and the database are located in the same folder, how would I refere to the database? I got an error when refere to an Access database if the string connection does not provide absolute path. eg: OleDbConnection myConnection...more >>

If I start off with a string which contains comma separated ints. I want to move this into an int array so i can do sorting. I thought I might get this to work: int[] test = {textBox1.Text}; What would be the best way to accomplish this? This is what i came up with: private void b...more >>

today we've found a critical issue regarding the ListView from Windows.Forms. it was confirmed on several machines with Win2K and XP. here's the problem: create a ListView with about 50000 rows. now use task manager to see the GDI usage of the process. everything seems normal. now catch the ...more >>

Hi everyone, I would like to hear your opinions about a design solution I am contemplating. The problem I am following: Write an editor for a data structure that is recursive in nature. In other words it is a tree, where child nodes can contain links to parent nodes. And there multiple kin...more >>

Hi, I have quite a lot of metadata in a WinForms app that I'm currently storing within a hashtable, which is fine as long as I know the unique ID of the track (Im storing info on media files). Up until now I've been sending the track info to a seperate server app using serialization/sockets whic...more >>

Hi all, I have two doubts about datagrid in winapp 1 how know when a cell change to edit state and to navigate state? 2) how align the caption text to center? Thanks a lot André ...more >>

In the exampe below, the constructor of the container class is passed the string called "foo". Within the container class, I would like to create an instance(s) of foo and add them to the ArrayList that is returned. (Once I figure this out I will use reflection on the instance to do other stuff) ...more >>

Hi, When i do this in my programma, in the contstructor of the form: g.DrawImage(i,new Rectangle(0,0,i.Width,i.Height),0,0,i.Width,i.Height,GraphicsUnit.Pixel); it doens't paint it ;( but if I make a button with the same, after the click it paints it, why the problem, i can't get out of it....more >>

I don't undertand what does it mean this exception A not managed exception of the type ' System.Resources.MissingManifestResourceException' occurred in system.windows.forms.dll Additional information: Impossible to find resources suitable for the specified culture (or the neutral culture) o...more >>

A few pieces of information first: * I have a class called Folder which represents a row of data in a database table. The data access side of things is not an issue. * The table has a parent column which references itself (ie. Adjacency or parent/child model) * I have a public property ca...more >>

How can I get the memory address of a string in C#? ...more >>

I have a problem with the marshaller calling a vb6 dll from csharp. here follows the code that is similar in structure to what i want to call. rem vb6 dll type a b1 as byte b2(2) as byte end type type compoundstruct c1 as byte astruct(1 to 4) as a end type function dosomething(byr...more >>

I can find no references to checked builds for either Windows Server 2003 or the .NET Framework. Do they exist? Michael Roper ...more >>

I'm having a problem with the ImageButton class. I want to set the ImageURL to an asp page, like: Thumbnail.ImageURL = "getpicturefromdatabase.aspx?INDEX=52&GALLERY=12"; The problem is, when the control renders, it renders the url incoded as "getpicturefromdatabase.aspx?INDEX=52&GALLERY=1...more >>

OK- I volunteer to be shot if this question is stupid... BUT, is there a way to, when you catch an exception in the catch{} handler, resume to the same line of code that generated an error while you are debugging within IDE...? Here is an example from VB: Private SomeFunction () On Error GoT...more >>

hi, Can some one tell how to minimize a window. I want to create a custom button to which i want to connect minimize function.I couldn't find any such function. thank you, pradeep...more >>

Hy, i have an app and i must disable this combination: ALT+F4; CTRL+ALT+DEL; CTRL+ESC;ALT+TAB like this: i find something on Internet and i can block ALT+F4 protected override System.Boolean ProcessCmdKey(ref System.Windows.Forms.Message msg,System.Windows.Forms.Keys keyData) ...more >>

Hi Guys, I am new to C#. I have a xml string and I want to read a value of a particular element. I do not want to use dom for this purpose. I think Regular expression will solve this. the code snippet goes like this... string strMsg ="<MyTestXml><First>One</First><Second>Two</Second><Third>...more >>

Hi. Sorry if this post might be a little off the topic, but just in case anyone knows... Given a size, a position, a start angle and a sweep angle, i want to draw a bezier curve. I will need to compute the bezier control points (start point, point A, point B, point C). I have had some p...more >>

Hello, if an PrinterSettings-Instance is not set-up correctly (for example just by using the default-constructor), then the "ToString()"_method will throw an exception! Unhandled Exception: System.ArgumentException: The value '0' is not a valid value for the enum 'Duplex'. at Sy...more >>

I am calling javascript function from my VC# application that returns me an index. Now, how do I get that parameter back in C# from javascript. There shud be some way through which we can accept parameters in VC#.net returned from javascripts. Plz. help ASAP. Its urgent....more >>

How can i write classes with multiple inheritance...more >>

Well, I'm not really interested in PacMan. I'm curious about whether C# is good for java-type graphic-oriented 'applets' that will play in a browser (from a web page). If so, is this covered in any books? Most of the web-based C# apps that I have seen are text-based HTML/ASP....more >>

I have an array of filenames, which are paths to the .NET assembly DLLs I built. I know for sure that these assemblies have public method, Execute(). In the run-time, I want to be able to instantiate these assemblies from my CS code and invoke the Execute function. Can I do this without setting...more >>

Hi, The good old Borland JBuilder has very good support for patterns (GoF) and refactoring. Does such support exsist for VS.NET and C# specifically ? The type of support I'm looking for is to be able to point at a class (either in the editor or the class browser) and apply for instance...more >>