Hi, How do I identify whether a service is "Critical" or not? Basically, I am writing a program to stop all non-critical service. AFAIK, the services can be found in "HKLM\CurrentControlSet\Services\<name>". I am getting the names using the ServiceController class (in System.Serv...more >>

Hi, I having created a simple WebService (in VS 2005) with just one WebMethod as follows : [WebMethod] public DataTable GetProducts() { DataTable objDataTable = null; // code for filling up the datatable return objDataTable; } Then, Adding the WebService as a Web Reference to...more >>

Hi @ll, I'm working on a web project which has to use multiple channels to connect to receive several sources at once. The problem is, that I'm not aware of the maximum amount of Threads i can allocate to my channels. Can i open 10 threads, 100 threads even 1000? is there a general answe...more >>

I have a C# program launching an external process, say notepad. I have the process hidden from the user, and want to be able to take screenshots of the hidden program. I have searched around and found people using Printwindow() with a pointer to the application, but every time all I get is a b...more >>

Hi, I have setup a (my first) C# assembly. I am using the COM Interop services to use the assembly from a Delphi program. Is there a way to return a XmlDomDocument object from the assembly to the Delphi program? If I try to return the XmlDocument object itself, I get an error like: Th...more >>

Hello, I am a .NET programmer and I have a JPEG image file (from digital camera) of about 109 KB's in size, when I open it and save it (without making any alterations at all, just going to File --> Save) in MS Photo Editor, the file is automatically shrunk in size to 81 KB's. When doing the s...more >>

Hi, I am trying to start a process hidden. My code: wordprocess = new System.Diagnostics.Process(); ; wordprocess.StartInfo = new System.Diagnostics.ProcessStartInfo(wcmd, args); wordprocess.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden; wordprocess.StartInfo.WorkingD...more >>

What is the recommended pattern for implementing a synchronized (thread-safe) class that inherits from Collection<T>? For example, I want to implement a SyncRoot property [of type System.Threading.ReaderWriterLock]. I do see where I can override (protected) the methods InsertItem, RemoveIte...more >>

I have an aspx web pages which interacts with an asmx service. The calls to web service are done via Javascript. The asmx service method has the following parameters: public string RetrieveContact(string Id, int EntityTypeCode) I am getting the following error when executing oXmlHTTP.S...more >>

My dll belongs to this namepsace: namespace TS3Services.Development My class is called LogError. I have signed the assembly (key.snk). Installing the dll to the gac appears to be successful, but I have two issues: 1. In the GAC, only LogError appears. I would have thought it should re...more >>

Hi! I consider using the Logging Application Block, Enterprise Library, Jan 2006 in a major project. To date, I've found that some of its features are not very well documented. One important thing is logging to a database. I tried configuring a database trace listener in the "Enterprise Lib...more >>

I have save a Excel file to MemoryStream. How can I send this MemoryStream to client's HD as a excel file? ...more >>

How do you get the name of the Registered Company on a computer? Any ideas would be appreciated....more >>

I am writing a multithreaded application that has 6 threads each writing 5 frames per second video bitmaps to a different picture box. I have just found out that only the main UI thread is supposed to interact with Windows Fourms. What is the fastest way to have a non UI thread safely write a bi...more >>

Hi, I am generally new to OOP and in learning and writing code I have developed many of my own reusable methods. A. What is the best way to store these methods for easy reuse later? I was thinking: 1. Word document (e.g. create a "code reference book") 2. create .DLLs to store related m...more >>

Hi, I need a web browser capable of handling video streams and that will stay in front of the Z order. There are a number of video streaming sources I watch that launch a browser window containing the video from another browser page. I am almost always working on something else while follow...more >>

Hello, I have the items of a table bound to a DataGrid control on my web form. How would I go about letting the user click on an item in the DataGrid control to download the content. For example, lets say the contents of my DataGrid control are a list of articles. I want the user to be...more >>

I have an ArrayList ( strings ) of filenames like such: fred.out inctructions.txt luncheon01.jpg luncheon02.jpg luncheon05.jpg luncheon11.jpg HeebieJeebie.cs ...etc.. The user will provide a filename mask such as: *.* *.jpg luncheon0?.* ...etc.. Is there a simple way to do a comp...more >>

We're authoring a VS 2005 app that includes several EXE's and DLL's and also uses a COM component (a customer requirement). The COM component provides a graphic image to be used by the .NET app; the graphic is supplied as a "StdPicture" (AKA, IPictureDisp). How can I convert this to a .NET Ima...more >>

I am writing a web crawler to download all html and jpg files to a directory locally. Since dns lookups present a possible bottleneck, i have decide to incorporate a dns cache in the form of a hashtable. The urls are resolved before they are passed onto the crawler for crawling. My problem i...more >>

Firstly, let me come clean and say I don't really know what I'm doing. Classic tale: I'm using some code developed by a third party who is now uncontactable. Further, he did it in C# and .NET which are a total mystery to me. My bit of the project is done in C and links to his bit which is a DL...more >>

I declared a struct with fixed size buffers to send it to an unmanaged function [StructLayout (LayoutKind.Sequential)] unsafe struct RCSTKAS { public fixed Byte xValue1 [12]; public fixed Byte xValue2 [30]; ... } Before calling the exter...more >>

Hi, I want to implement a common Form with special interface, such as MovePoint(double,double). I create a interface first: namespace ABC.Test { public Interface IMyWindowInterface { void MovePoint(double,double); } } then creat...more >>

Hai All, I am having a doubt in string.split, here the code sample string str = "school college job"; note that there is '\t' spacing between each term in the string str. how can I split this using split method?? Urgent... Please help... Looking forward ...more >>

Hai All, I have one doubt, here is the code sample.... try { for loop { // doing some operations..... } } catch(Exception e) { string str = e.Message; } If an exception occurs within the for loop and it will come ...more >>

Does anybody knows where can I find information about building an application using plugins in c#? Thank you very much ...more >>

Why is there a type float in C#? Working with integers is best, of course. It is like carrying pebbles around in your pocket. But if you need decimal floating point values, in graphics transforms or in scientific programs, you take the highest precision, double. I can understand that lan...more >>

Hi All, I have developed a server application in C#. While running this application, it is not running more than 30 minutes due to memory leak. Could you tell me what will be the problem? Thanks & Regards, Raja.GS ...more >>

Hello. I have written a web service consumer. The web service itself lives else on any machine at our supplier. How to I capture the XML/SOAP communcation between my consumer and the web service. the consumer is written in C#. thanks for your help Kalpesh Modha. ...more >>

Hello, I am somewhat lost in the implicit/expicit possible/impossible type casting in C#... I need to write a class, which among other things, must have wat to read a numeric value type, and internally convert it so that it could be saved in database as real number (float). I plan to pro...more >>

I have no idea what group to ask this in so i will start here. Does anyone have a good way of compressing a 19 digit number down to the smallest possible number? I have a delima of having a uint64 19 digit number that i need to fit into a 10 digit space. I have tried using byte comparisons and...more >>

Hi, Is this possible? Normally, you get a groupbox with the text at the left side. I would like to have it centered. Is this possible? Thanks ...more >>

I have an application that has an interface for people to create plugins and use them. Right now I just search for dlls that use my interface in a specific folder. I want to create a filetype so the user can download the plugin and then it gets added to my application. I'm wondering what is ty...more >>

I created a activex control in c# (vs 2005) -------------------------------------------- [Guid("41D7A3C7-B891-4379-BE33-5195A2CFF913"), ComVisible(true)] public partial class ActiveTest : UserControl { public ActiveTest() { InitializeComponent(); } } ---------------------...more >>

Hello Guys: What am I doing wrong with this code? I can't seem to get it to simply add an attribute to my node. The node already exists. I am simply opening the XMLDocument and creating one attribute to the document. I am not creating the document new XmlNamespaceManager xnsm = new X...more >>

Hi, I have a windows form with a button and a richtext box On click of a button ,I am looping through a datatable which has 3600 rows and i am checking some code for each column in the row.There are 300 columns. So total iteraations are 3600*300=960000 eg for(i=0;i<rows.count;i++){...more >>

I am trying to copy a report that was created in Crystal Reports and attempting to do it in ASP.NET using datagrids, tables, etc. I know I can integrate crystal with ASP.NET but we want to add more customization to it. I have had luck using tables but it is only because it is mostly hardcod...more >>

Hello Group: I am playing with .NET 2.0 Generic. I have a CarsList<T> Generic class, Is it possible that I can control what T could be? I want to ensure the T can only be classes derived from a specific class (lets say Car). I understand that I can create a CarList without using Generic, but...more >>

I am going to write a class that will inherit from SqlCommand and I want to disable certain routines in the SqlCommand and add a couple of new routines. How would I go about doing that? I understand (I think) the inheritance process but I'm worried more about the disabling of the routines. I w...more >>

(Sorry if this is a re-post, don't think it worked the first time) Hello, I am trying to add an ArrayList as a field in my web form class. Here is a sample: using System; using System.Collections; .... ArrayList myArrayList = new ArrayList(); myArrayList.Add("Belleck Colleen Vase")...more >>

Hello, I am trying to add an ArrayList as a field in my web form class. Here is a sample: using System; using System.Collections; .... ArrayList myArrayList = new ArrayList(); myArrayList.Add("Belleck Colleen Vase"); myArrayList.Add("Belinda Bradshaw Cat Bowl"); myArrayList.Add("Nic...more >>

Hello, Can anyone tell me why this won't compile. I'm getting the error: "The type 'GenericsTest.GenericType3' must be convertible to 'GenericsTest.GenericType2<GenericsTest.IInterface2>' in order to use it as parameter 'T' in the generic type or method 'GenericsTest.BaseCollection<T>" ...more >>

The following is defined in VB .NET 2003 ' VB .NET 2003 Namespace MyNamespace Public Class MyClass End Class End Namespace In my C# project, 'using MySpace' causes error that says the type of namespace cannot be found. I added reference to the C# project. Please help. Than...more >>

I have a control that paints a borderless form below it to act as a grid combo box. When the parent for is moved I need the control to detect that the parent form is moving/moved and move the child form along with it. Can someone shed some light on my options here? ...more >>

I know there was a limit of 4gb on for some compression tools. Does this limit exist for System.IO.Compression? ...more >>

Hello NG, I have two structs. The only differnce is the order of the members: public struct DataStruct { public UInt16 Sekunde; public UInt32 BehälterId; public UInt32 WannenNr; public UInt16 Station; }; public struct DataStruct { public UInt32 BehälterId...more >>

Hello Guys: I am having a little difficulty picking up how to perform an XPATH to get a single value for an XML file. <ICSMXML xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <Header> <MsgDelivery> <To> <Credential> <Domain>ICSMID</Domain> <Identity>105</Identity> </Credential> </To> ...more >>

I wonder when an exception raises when I do this: string str= (string)ds.Tables[0].Rows[0]["CODE"] The row is always filled with data If there is a dbnull.value in it, does it raises an error? And for other data? thx ...more >>

According this http://research.microsoft.com/research/pubs/view.aspx?tr_id=841 said, if you pre-allocation space for writing , it will be much faster, but how can i do this? Thank...more >>

I started off by trying to use the HttpCapabilitiesBase.Cookies Property (Note: This property is new in the .NET Framework version 2.0) however it kept on returning true even when I disabled cookies in both FireFox and Internet Explorer. After a bit of googling I found that a lot of people wer...more >>