I have a compact framework project with a thread and a blocking function in the thread. How can I abort this thread? Thread.Abort() is not possible in compact framework Thanks Jack ...more >>

Hi all!! II'm trying to set the Text of a TextBox in "Form1" when I click a Button in a UserControl. My code is: [Form1.cs]: public class Form1 : System.Windows.Forms.Form { public System.Windows.Forms.TextBox textBox1; private WindowsApplication1.UserControl1 userControl11; {...} } ...more >>

Does anyone know the difference between these two? The doc for LostFocus says 'Occurs when the control loses focus.' whereas for Leave it says 'Occurs when the input focus leaves the control' The doc also states that for controls losing focus you should use Leave, so I do. Another reaso...more >>

Hi! I have and issue with passing quoted path to a extern application via Process.Start. When I pass argument as: @" -o c:\test.tif c:\_script.txt c:\test.jpg " everything works fine but I have to pass paths in quotes ... it must look like this: -o "c:\test.tif " "c:\_script.txt" "c:\te...more >>

I'm trying to compare two byte[]'s. I think I have to use binary operators. How can I tell if two bytes have the same value? Also, I have a function that is returning a byte[] value. Is there a way to see if the return value isnt null. Thanks! ...more >>

Hi, I'm developing an app with automatic version checking and updating. It must also track what version is installed for each customer in our customer database. I have made a small client to fetch updated file(s) from the net and copy over the old files. I figured this must be done since the p...more >>

[EDIT: Sorry for posting this initially as a new thread but i'm posting via Google (terribly buggy!) as my account for reading NewsGroups doesn't support this particular C-Sharp newsgroup] Just to let you all know, got the issues with the puck straddling the the hit-line's (jerking). The er...more >>

Hi all! Please help me with this, I'm stuck here. I have a command line .exe file which needs a few arguments passed to do it's job. In help there's a example like this: Process.Start("notepad.exe", "something.txt"); This is ok, but what if I must supply .exe with multiple arguments. ...more >>

Hi, I have a collection class derived from ArrayList, it stores colletions of objects from my objet model. I Didn't want to have to create a specialised collection for each object type so I created the following static method. public static MyCollection CreateGenericCollection(DataTable r...more >>

I am currently writing code to execute SQL Server 2000 Stored procedured using the ODBC.NET SQL Server Driver. The particular stored procedure I am using has multiple paramaters which I have created in my code (OdbcParamater objects), these are then being added to the Command objects paramater...more >>

Hi, I have a question about good class design .... In my class I have some properties related to large amount of data. What is the best strategy, to include a reference to those data (and making the object dependent on the client) or copy the data into the object (independent object) ? ...more >>

Some time ago there was post with list of all windows messages for WndProc procedure, but I was stupid enough to lose them :( So if somebody could send this list (with codes) I will be veery happy. Happy New Year to all! ...more >>

Greetings, below is a sample app for connecting to a mainframe server using Sockets for the purpose of using FTP service to interact with it from a PC. I got as far as creating the connection. But how do I pass a username and password? How can I change directories? ----------------...more >>

Hi, All the examples of getting WMI information shows using a foreach loop to loop though multiple entries, like to more than one IP address, etc. If I just want to get the value for single value attributes, like "Manufacturer" in SELECT * FROM Win32_ComputerSystem, how would I get that valu...more >>

Say I have three DateTime variables: DateTime A; DateTime B; DateTime C; How can I assign to C just the date part of A and just the time part of B? Something like this... C = A.Date + B.TimeOfDay; Except that isn't it....more >>

Suppose I have a .Net C# Winforms App with a RichTextBox control and I want to provide an option for the user to open the Rtf in Word, edit it in Word and get the edited value back to my C# app dynamically (not with an external file). Where should I start? Is there a document explaining this?...more >>

This may be a completely stupid question so bare with me... I know some C# but I'm completely ignorant when it comes to ASP.NET. Can someone tell me if it's possible to emulate the capabilities of Macromedia's Flash MX using C# on an ASP.NET page? My first guess is that it would at minimum...more >>

I want to create a object of stdPicture in C#, so that I can render it to other object's prosperity. the VB6 code maybe as follow: Dim pic as Picture; pic = LoadPictureFile(strPath); then, how can I use C# to express the same idea? I want to know what is "Picture" means in C#, and how ...more >>

Hi Is there anyway to get a WebBrowser to work without placing it on a form. I want to be able to instantiate a browser, complete some of the fields and submit, but whenever I try to navigate I get: An unhandled exception of type 'InvalidActiveXStateException' occurred in axinterop.shdocv...more >>

Hi, I have created a asp.net web application and I hooked up page_unload so I can clean up some things when i close it down. The problem is, page_unload gets called when I first load the page, not when I close it. I know this because I put a breakpoint within the method, and it stops when i ...more >>

I have a multi-threaded C# program that hangs for 5-10 seconds intermittently. Are there any built in tools in Visual Studio .NET to somehow instrument my code to see where my performance problems are. It is rough debugging it using breakpoints due to the multi-threading. ...more >>

Could you tell me how to write a integer value in the serial port? Thank you ...more >>

Hi, Does anybody know where I could find Icons for the 'standard' = buttons used in winform ? Im' looking icons to illustrate button in my = winform C# software like : print, preview, save, new file, align, = fonts,..... =20 Thanks, any help appreciated,=20 Steph....more >>

Is it possible given two TimeSpans to obtain the intersection of the two? For example lets say I have span1 that spans Monday though Firday of this week and span2 that spans all of Tuesday, then the intersection would be a span of Tuesday. If they do not intersect at all then an empty span is...more >>

Hello, how do you pass args to a console app? class TestApp { static void Main(string[] args) { // // TODO: Add code to start application here // TestApp testApp = new TestApp(); testApp.Start(args); } public void Start(string[] args) { ... ) } Thanks, Ron...more >>

Hi, sorry I'm not sure if Im posting this to the correct group. I need to include a couple of external applications to be copied to my bin/debug folders at the same time as my solution is built. I'm not sure if/how I can do this in vs .net 2003. These are older win 32 3rd party applications...more >>

Hello, All! When I call some web service method i get following error: System.IO.FileNotFoundException: File or assembly name gvy6umsk.dll, or one of its dependencies, was not found. File name: "gvy6umsk.dll" at System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Bo...more >>

Hi, A newbie question .. I want to use an array of length 4 while each array element is a string of 40 chars. I typed .. StringBuilder title = new StringBuilder(40)[4]; Now I suppose that title[0] is a string of 40 chars; same for title[1], title[2], title[3]. VS .NET complains wit...more >>

I am using an ArrayList named "nodeRanks" of the following structs: private struct NodeRank { public TreeNode Node; public Int32 Rank; } I sort the nodeRanks ArrayList based upon the rank values, and then I would like to replace the rank values with the ArrayList index values. H...more >>

is there a quick way to convert string into byte array or do I have to iterate through and convert each character into a byte?...more >>

I hande a DoubleClick for a combobox.but that event dosen't fire.. I included a source with this message to see it what's wrong with this combo box??? begin 666 test.zip M4$L#! H``````(F()3(````````````````%````=&5S="]02P,$"@`````` MBH@E,@````````````````D```!T97-T+V)I;B]02P,$"@``````BH@E,@...more >>

Hi, I need to pass a reference to a string between a C and C# library. I declare the string in C# function as ref String xyz and the corresponding C code would refer to it as BSTR *xyzz. However i get an error as i feel the string is not marshalled properly. What is the correct way to do ...more >>

hi I have a fatagrid with 3 tableStyle How can i make second TableStyle active to be showed in datagrid??? because alwayes the first tableStyle is showed in datagrid.. ...more >>

I have a MS SQL2000 database from which I pull records for unattended kiosk display. How can I test the active records to determine if they've changed or have been added since the last time a dataset was created? I started building a hash table to store the record id and last edit timestamp, b...more >>

In our application we've used several 3rd party windows form controls that were installed into their own individual directories. We have to avoid using the GAC, all our dlls should be found together in the main application directory. I'm just reading through the many projects and reference...more >>

I have a large collection of custom objects, each representing a period in time with each having a start datetime and an end datetime. I frequently need to query this collection to return a subset of the objects that fall completely or partially between two specified dates. The way I'm doing t...more >>

Hi, I'm looking for projetcs to develop to get ready to pass the mcad, Thanks Ilann ...more >>

I have the follwong code: private void ButtonOpen_Click(object sender, System.EventArgs e) { System.Diagnostics.Process.Start("http://www.google.com"); } which results in the following exception: 'An attempt was made to reference a token that does not exist ' What am I doing wrong? I'm ...more >>

I have a solution with 4 C# projects (P1, P2, P3, P4). The P2 and P3 projects have a reference to P1 project and the P3 project has a reference to P2 project too. P1 and P2 are class libraries and their output path is bin\Debug. P3 is class library and his output path is to local web, ...more >>

i got a xml file which is using a namespace declaration with no prefix, as you can see here ---- <?xml version="1.0" encoding="utf-8"?> <configuration xmlns="http://www.microsoft.com/schema/EnterpriseInstrumentation/v1/EnterpriseInstrumentation.xsd"> <instrumentedApp name="SimpleInstrument...more >>

Hey guys, I have this column 'ShipmentEmail'. Its 80 characters... So, all the ins, upd, and sel commands have this parameter with length 80 chars. The user says 'Bump the length of this field up dammit...', so I go and change it to 255 in the DB. That goes fine without any incidents. ...more >>

is there any way in C# to determine a file's character encoding? I am trying to modify a file but the original program is not liking it, and I think it's due to character encoding. Reason why is I tried just copying the file through my program (not modifying a single thing) and the program sti...more >>

Is it possible to create a DataVew from a DataSet using a filter to matvch on both first and last name? dv = new DataView(ds.Tables["MediaData"],"LastName=Jones,FirstName= Fred","",DataViewRowState.CurrentRows); I've extracted this info using a DataView: dv = new DataView(ds.Tables["Media...more >>

why SharpDevelop has a free c# IDE has classLibrary project to choose from and visual c# 2002 dont have one. ? how do i make a dll in visual c# 2002 ? ...more >>

I'm in a code-behind page of an aspx. And when the user hits a button, I want our Exchange 2000 server to send a test email to someone in our organization. Anyone have any code splices on how to do this? Or places to look. (Also, we're not using Netbios). Might be more of an asp.net q, bu...more >>

Hi guys, does any of you know of a resource that binds up all the little things we should favour in terms of performance in c#? for example... building a string, itterating (foreach vs. for) etc thanx, Picho ...more >>

Hi group, this issue has been brought up a few times now. I am starting to design a client-server application. I do not see any x-platform activity in the future of my application. I understand from various people, articles and posts that remoting is highly discouraged at this point and ...more >>

I am trying to get an exception to occur and consequently found that when adding a target method to a delegates invocation list, a copy of that object is added instead of a reference to the object. Here's what I'm trying to do... I am iterating through the invocation list invoking each dele...more >>

This question kind of follows on from Mike Spass’ posting 10/11/2004; I don’t understand why you can’t declare an implicit operator to convert a base class to a derived class. The text books say “neither the source nor the target types of a conversion can be a base type of the other...more >>

OK, so I have a TcpListener that is waiting for sockets, this piece of code: IPAddress localAddress = Dns.GetHostByName(Dns.GetHostName()).AddressList[0]; IPEndPoint localEP = new IPEndPoint(localAddress, 9000); TcpListener tcpListen = new TcpListener(localEP); tcpListen.Start(); Socket skt =...more >>

Is it possible to bind a switch statement to an Enum such that a compile-time error is raised if not all values within the Enum are handled in the switch statement? I realise you can use default: to catch unhandled cases, but of course this is only at run-time. Example: public enum MyEnum ...more >>

Hi, I have two JPEG Images. Now I wanted to merge them into one image. I am trying to use Image.SaveAdd to do this. But it is throwing an exception "Invalid parameter used." Following is the code: Image mapImage = Image.FromFile (filename); Image legendImage = Image.FromFile (filename2...more >>

Hi there, I have 2 questions to ask. 1) I have this code... XmlDocument doc = new XmlDocument(); doc.Load(myXmlPath); int maxValue = 0; int newValue = 0; XmlNodeList nodeList = doc.SelectNodes("//Product"); foreach (XmlNode node in nodeList) maxValue = XmlConvert.ToInt32(nod...more >>

Hello, I am trying to use the find method to locate a particular record in a table. The code is : object[]findTheseVals = new object[2]; findTheseVals[0] = station_ID; // an integer findTheseVals[1] = dt; // a datetime DataRow foundRow = dsStationDays.Tables["StationDays"].Rows.Fi...more >>

perhaps someone could help a newbie with his big problem. i have an arraylist with objects (class i made with two properties). and i'd like to bind it to a datagrid. there are 3 buttons on the form which should works as add, edit and delete. the problem i have is everytime i use these buttons,...more >>

Hi, I'm using OldDB to connect excel in my Windows application with some SQL statement like ===================================================== string strCom = " SELECT * FROM [Sheet1$] "; ===================================================== If I wana use the UPDATE command to set a particul...more >>