Folks, We ran into a pretty significant performance penalty when casting floats. We've identified a code workaround that we wanted to pass along but also was wondering if others had experience with this and if there is a better solution. -jeff ..... I'd like to share findings r...more >>

Hi, I'm a Win32 programmer trying to develop a vb.net app, and I'm trying to find out what the vb.net equivalent method is for WaitForSingleObject. I need a way to wait for an object for a specified timeout. Since I'm used to Win32, naturally I would use WaitForSingleObject, but this is not...more >>

I have a class with a 3 point array which I want to protect through encapsulation. Unfortunately, the following does not do what I want: private PointF[] vtx = new PointF[3]; public PointF[] Vtx { get { return vtx; } set { ...more >>

Hi, I have a c# app that binds to a port on the host machine. How do I determine the IP address of the active network interface? On a PC with multiple NICs I can obtain a list of IP addresses as follows:- string hostName = Dns.GetHostName(); IPHostEntry local = Dns.GetHostByName(hostName); ...more >>

Can someone help me? I am writing a book and saved it last night on my pen drive and when I opened it this morning all the text had turned into lines of boxes. I can't figure out how to change it back. I tried all this but it did NOT work: If all the text appears garbled or as question marks, ...more >>

hello all i am trying to make a pluggable application which can use plugin dll savailable at some particular folder. i have searched for samples on the net and have found some but am not very clear. if any of you can help me with an easy example that would help me a lot. thanks and regar...more >>

Trying to install Framework 3.5 on WinXP home edition. Fails! Tried to uninstall MSXML 6.0 - framework installation downloaded it from internet, installed into system32 folder and then - again the same error.. Please, help - i need to install visual studio, but can't... P.S. IIS is uninstal...more >>

I have a code that is compiled and runs in VS 2003, which i believe runs 1.1 frameworks, I want to know if we can do any of the following 1. I want to compile the code in 1.1 framework but run on 2.0 framework in the same machine, as I believe it is not possible to configure VS 2003 to run ...more >>

I look for the code in vb.net to interface with a regulated, and in the middle of the screen an area that represents a white area of design...more >>

How do you link an numeration to a combobox? I have an enumeration which I want to appear as the data source in the combo-box. Do I have to skip the enumeration and create a bindable list object instead?...more >>

When I try to open my email after clicking on hotmail, I get a blank screen and it says "done" at the bottom. This is the second day this has happened. I recently did a spyware and virus scan and things look ok there. This is the first time I have not been able to open my email. I have XP a...more >>

I have custom control, with my own render function, but i don't know how to make my control to Refresh itself?...more >>

My control panel says I not only have .NET 3.0 but also STILL have 2.0, 1.1 and security fix for 1.1. I want to remove all but, of course, the 3.0 as the rest (especially 2.0) takes up a lot of space. BUT is this safe? or am I missing something? HELP! john ...with thanks in advance...more >>

Hi all, Can anyone tell me exact use of idisposable interface. I read that to release unmanages resources its better to implement idisposable interface and call its dispose method. But what if without implementating interface idisposable i write method dispose and call that method to rele...more >>

I'm not using One Touch or OpenNetCF, so none of the workarounds offered by those search results work. What I do have is a .NET 1.1 EXE which runs as a service on a machine without IIS, and it used to work fine until I had to install .NET 2.0 because of another application being installed. ...more >>

I am implementing a UDP server to retrieve and process GPS coordinates from a client application installed in various vehicles. Right now there are around 10 UDP clients sending data with that figure expected to grow to hundreds in the future. The basic architecture is as follows: 1.) Clien...more >>

My XML knowledge is extreemly limited but learning not quite fast enough! I am getting some XML back from the USPS web service as a string <?xml version="1.0"?> <ZipCodeLookupResponse><Address ID="0"><Address2>6406 IVY LN</Address2><City>GREENBELT</City><State>MD</State><Zip5>20770</Zip5><...more >>

BeginInvoke returns an IAsyncResult, but in cases where the caller doesn't care and couldn't do anything even if it did care, I don't assign the returned value and assumed it would be garbage-collected. Some bloggers say that this pattern leaks resources. MSDN doesn't seem to see a problem...more >>

How can I do it in NET? http://www.alvas.net - Audio tools for C# and VB.Net developers + Christmas discount ...more >>

Hi Everyone, System.timers.timer control is triggering every minute and it is updating the application variable. But i am not able to send a mail when it triggers. please see the code below (Global.asax): Sub Application_Start(ByVal sender As Object, ByVal e As EventArgs) ...more >>

All I've just stated playing with the MVC framework included in the ASP .NET Extensions release, but I'm hving trouble with the default settings. I have created a default ASP .NET MVC Web Application, which includes a default controller (HomeController) and two default views (Index and Abo...more >>

I'm New to using .net and have downloaded and installed the 2005 Visual Studio Express applications. I currently have .net 1.1 & 2.0 framworks installed and am thinking of downloading and installing the .net 3.0 framework. Is it advisable to install to 2.0 sdk first? Do they all operate an...more >>

I recently downloaded new software and in order to install it, .Net Framework 3.0 is required, which was part of the installer. During the installation process it presented a window that said "Microsoft .Net Framework has encountered a problem during setup. Setup did not complete properly." ...more >>

I am making a HttpWebRequest. In my reponse stream I get an object tag. How can I instanciate that object? -- Arne Garvander Certified Geek Professional Data Dude...more >>

I would like to see a .NET Framework 3.5 or 2.0 example of how to query the DHCP server using WMI to list all current clients and lease begin and end datetimes. I want to make a simple web page that shows this information. Thanks. ...more >>

How OS diffentiates COM dll and assembly??...more >>

How to calculate the difference between 2 dates in days, months and years? http://www.alvas.net - Audio tools for C# and VB.Net developers + Christmas discount ...more >>

Dear WPF specialists! I am currently using Piccolo.NET as a ZUI (zooming user interface) Toolkit. The problem with it is, that I need to implement lots of GUI elements by myself. WPF seems to be very I very new to WPF and I don't know if it is worth the effort to dig in so deep just to know if...more >>

I have used reflection to dynamically invoke methods and properties of the classes(business logic)(each class has more than 20 prop's and methods...), Entire application is designed using core values of reflection. Now i want to implement the same in client's environment. Will this leads to pe...more >>

How can i recommend client that .net webservices are better than J2ee webservices...more >>

Not sure if this is the correct area, but nothing else was more appropriate. I have class libraries that may or may not load dlls via reflection. The definition of how to load these resides in a file.config.xml (but not the dll). Because the libraries are ubiquitous, they can be GACd (preferr...more >>

Hi, When I bind a BindingList<> to a DataGridView and then call RemoveAt(n) on it, I get ArgumentOutOfRange. Could someone explain why? Sample: public partial class TestForm2 : Form { private BindingList<Person> _personList = new BindingList<Person>(); public...more >>

Got from MSDN that there's an element - assemblyIdentity in the application manifest which describes and uniquely identifies the application owning this application manifest. What I'm puzzled is following attributes with this element: 1- processorArchitecture (optional), which specifies th...more >>

Need Telnet client Library for .Net. http://www.alvas.net - Audio tools for C# and VB.Net developers + Christmas discount ...more >>

I know that a callback function can be used to run the EnumWindows function of WIn32 API in VB.Net. My question is however...is there a strictly VB.Net way of doing this, not using a callback function and the Win32 API? i.e. What is the .Net *way*...or is there one? Thanks...more >>

Hello, I have a asp.net application that works fine locally, but when I try and deploy it, it breaks with the error Type 'List' is not defined on the line Public allFields As List(Of FormField) = New List(Of FormField) I have imported generics Imports System.Collections.Generic I ha...more >>

i am very nw user of visual studio. i am trying to install visual studio in my laptop . i have tried several times but there is always some problem or the other. i woud like to to give me a good link where i can install visual studio 2008 and list of all the components which is needed to install...more >>

Bonjour, Je voudrais savoir si avec le DotNet framework 2.0, il serait possible d'écrire une application windows service qui incorporait un serveur HTTTP "embedded"( via code) sans passer par le serveur web IIS en local. Le but de l'application serait de consommer des messages SOAP sur HTT...more >>

We are trying to install the .Net 2.0 framework on a Windows 2000 Pro machine and it keeps kicking us out saying Windows Installer 3.0 is not installed. However, even after we installed Windows Installer 3.0 it continues to give the same message. We tried reinstalling Windows Installer 3.0...more >>

Every time I run a .net application I receive the error box that pops up and says the application has encountered a problem and needs to close. I receive an Event ID: 1023 in the Application log from the source .NET Runtime with the description ".NET Runtime version 2.0.50727.1433 - Fatal Exe...more >>

Hi, I have my 2.0 web application running in VS 2008. I added a web setup project to the same solution and selected the template while creating the project as: .Net Framework 2.0. After creating the .msi, I tried running it on a different machine, which has .net framework 2.0. It prompts t...more >>

I created two benchmark applications. One does a discrete Fourier transform on a data series and the other is an implementation of quicksort. Before entering the main section where all the work is getting done, I save the start time using their respective tick count function. When the work is co...more >>

Hi, I have a question about System.Process of .NET in C#... in this code: static void Main(string[] args) { string filename = args[0]; Process p = new Process(); p.StartInfo.FileName =filename; p.StartInfo.UseShellExecut...more >>

Hi, My question is, when exactly window is being created? Let's assume that we have user control placed on any form. Form's contructor create user control and adds it to its controls collection. But when exactly this window is created? When form window is created ? I thought that it's crea...more >>

All I'm still grappling with assembly binding - hopefully I'll grok it soon :) I create a strong named assembly. I add a reference to this assembly to a project in Visual Studio. When I view properties for the assembly reference in Visual Studio, I am informed (correctly) that the assembly...more >>

Hi! Simply put, the following code: bool systemOk = true; for (int i=0; i<10000; i++) { double s = double.Parse("-606,11"); if (!s.ToString("0.00").Equals("-606,11")) { systemOk = false; Console.WriteLine("On iteration #{0}. '606,11' was parsed as {1}", i, s); } } if (s...more >>

Here is a type safe unit of temperature that can be used to enforce type safety at compile time. http://www.geocities.com/jeff_louie/OOP/oop38.htm Regards, Jeff *** Sent via Developersdex http://www.developersdex.com ***...more >>

How to convert normal digital photos to high definition on Windows XP? I need to change them so I can enter a competition. Is this possible...more >>

Hi All, I got a treeview object. I extended its TreeNodes to ExTreeNode and then added ExTreeNode to Treeview control and binded to screen. And then, when I try to read treeview it returns TreeNode instead of ExTreeNode. When I try to cast to ExTreeNode, it throws Invalid Cast Exception. H...more >>

What is the frequency the garbage collector to clear the non-referenced memory? eg. every minute? ...more >>