How do I make my wery own custom log, so that I don´t need to write into the Application Log. I want a log that I can see in computer manament side by side with the three others : Application, Security and System. Best Regards Anders Both, Denmark. ...more >>

I have a dll built with c# in VS.net and Register for COM interop is set to true. This builds fine on my xp development machine and the dll output is used by a User defined function in sql server. This all works fine until I put the dll on a production server (small business server) then regis...more >>

I have installed the .net framework sdk but I cannot find csc.exe file for compiling c#. Is there something I'm missing?...more >>

I am not sure what the suggested practice is for returning reference types from read-only properties. Consider an example: Suppose I have a Point class that is a reference type. I use the Point class from within a Shape class. I want the user of the Shape class to be able to see the location ...more >>

Hello microsoft.public.dotnet.languages.csharp, Are there any good howto sites for use of csc? Maybe a FAQ? -- gnat....more >>

Hello microsoft.public.dotnet.languages.csharp, I have run into a problem (for the second time now). I have been able to use the designer to put together a gui, but now it seems that the compiler won't listen to the designer and does not take new changes into account. The first time i ran...more >>

Hello, How do i get Windows Desktop picture to further put it into pictureBox component? Thank you, Andrey ...more >>

I'm a total novice, so please don't laugh. Is there any way I can make a C# executable that does not rely on the .NET framework? ...more >>

how do i override an event (e.g. Paint)?? i'm coding a class library and i want to do some things on the paint event, which in visual basic .net sends a "e" parameter which contains the Graphics object used to draw anything you want. thanks in advance... Posted Via Usenet.com Premium U...more >>

Imagine a discrete 2D space of any size. Say, you have a 100x100 pixels (.net) panel and you have discrete cells of 10x10 pixels. Thinking e.g. of the game of life. I would like to draw a line in this discrete space, but it can't be smooth, it has to be aliased or in a block-form corresponding t...more >>

In a for-loop, is a calculated expression re-calculated on each pass through the loop, or only once, when the loop is initialized? For example, assume the following loop: for (int i = 0; i < myArray.Length - 1; i++) { // code here } Is "myArray.Length - 1" calculated once, or on each ...more >>

The code worked perfectly fine in VB6 for converting a decimal length to binary hex, but in .NET it only works when the iNum variable doesn't contain a zero. If zero is passed in then I lose everything in the string. Does anyone know how to make the Chr(0) Function work exactly as it did in VB 6...more >>

Hello, I am pretty new to .NET programming and probably my question has an obvious answer: I am starting to port an existing c++ application to c#.NET The first problem i am facing is that the app uses two open-source "c" compression libraries: zlib.lib and libjpeg.lib. I would really wan...more >>

Is There the EOF in C#.? What is the EOF..? Why C# doen't have EOF ..? Thanks..Enjoy Programming!! ...more >>

Syntax seems to say "modifiers is modifiers" and either is valid, but Google searches seem to show that "public virtual" is more common. Is there any sort of (semi) official convention? -- programmer, author http://www.midnightbeach.com and father http://www.midnightbeach.com/h...more >>

hi there i am a beginner to c# and my english is bad, altough i hope you can help me. i would like to have a mainform with tabpages.(like vs-studio handels the tabpages). i would like to have these tabpages as single winforms. now is it possible to make all these forms with the designer an...more >>

MICROSOFT IF YOU WANT TO STOP SECURITY LEAKS IN DEVELOPERS CODE TRY MAKING THE DOCUMENTATION ON HOW TO SECURE .NET APPLICATION UNDERSTANDABLE, TRY WRITING IT IN ENGLISH AND NOT JARGON. ALL I WANTED TO KNOW WAS HOW TO DETERMINE WHICH PERMISSIONS AN ASSEMBLY NEEDS AND HOW TO DENY ALL OTHER PERMI...more >>

Hello, Is there a support in .NET framework to work with BlueTooth enabled devices? Thanks. *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!...more >>

A lot of "Can I do this in .NET?" questions are answered with "Sure! Just use P/invoke!" So I'm curious, are there any good resources that list and discuss the methods in these API libraries? I'm sure it's a broad topic, but I'd still be interesting in browsing through it. Erik...more >>

How does one test to insure a property of an objects exists? The debugger shows the object.property as: "error: 'object.property' = does not exist" using: if (object.property !=3D null) results in: "Object reference not = set to an instance of an object." Thanks for help!...more >>

What directory are stored the icons of Menus/Toolbars of MS Office Visio2003 ? (I checked "Microsoft Common,..." but I dont' see them..... Any idea ? Thanks. ...more >>

Hi, I'm using HttpWebRequest and HttpWebResponse to return a stream of HTML. Looking for advice as to the accepted / easiest / most efficient way to process this HTML in the background i.e. I don't want to display it all to the user, just pull out certain pieces of it. Specifically, I'm loo...more >>

Hi When minimising my app in Win98SE no button appears on the taskbar until I manually switch to the app using ALT + TAB. Is there a way of ensuring that the icon is visible in the task bar always. I see this also when running my app from teh develpoment studio - Visual C#.Net TIA Tony ...more >>

Hi, I have seen some developers commenting that a reference variable is 'more garbage collection eligible' if the programmer set its value to null after using it, like this: public void MemberFunction() { AnyClass refVar = new AnyClass (); // Normal use of refVar functionalities r...more >>

hi, does anybody know how to set the selected index in a dropdownlist when page is loaded for the first time? my code looks like: int iCountryID = Int32.Parse(countryID); dsCountryList = ds.getCountryList(); dropCountry.DataSource = dsCountryList; dropCountry.DataValueField = "ID"; dropCo...more >>

Can someone please help!! I am trying to figure out what a font is? Assume I am working with a fixed font say Courier 10 point font Question 1: What does this mean 10 point font Question 2: How do I determine how many characters I can get on a line Question 3: How do I determine how many lin...more >>

I've notice that some Microsoft's code, uses the "m_" convention to refer t private member fields Check this http://support.microsoft.com/default.aspx?scid=kb;EN-US;32608 http://support.microsoft.com/default.aspx?scid=kb;EN-US;32617 http://support.microsoft.com/default.aspx?scid=kb;EN-US;3261...more >>

Does anyone know if the .NET Framework defines a set of classes that allow you to access Visual Source Safe within your C# programs I know there is some type of COM interface (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnvss/html/vssauto.asp?frame=true) that allows programmer...more >>

Hi, Someone once showed me a C# statement that worked like: myInt = (if <some condition>then 3 otherwise 4) The syntax is totally wrong, (that's what I'm trying to remember). But it worked like that. He called it a 'Unary If' statement (or somthing like that) ie I could assign either...more >>

I thought there should be simple way of setting the column width in the a DataGrid. I've set up a table style (properties tab) that lengthen the columns, but I can't seem to bind this table style to the grid (or it's columns I guess). No matter what I do the grid keeps a standard column size ...more >>

Hi, Is it possible to adjust a column width of a datagrid column in a WinApp? I know how to do that in a WebApp, but a WinApp is still a problem for me. Do we have this method/property to activate an autowidth feature? Thanks, Dmitri ...more >>

im making a tcp server and tcp client to exchange Http messages is it possible? if so how from what i know that Http is an app protocol and sits above TCP so how can i take advantage of that in .Net in building a tcp server app that serves Http requests or messages? *** Sent via Develop...more >>

Enter network password appears when I open a VS Web application and again when I start it before the aspx page appears. IIS is installed on my C: drive but the above project/site is pointing the site to a folder on my E: drive. When I have a project on the C: drive it does not ask for the netw...more >>

Hi, I need to get a maximum column width in a datagrid. I can get it in a foreach row, but how can I get a real text width if a datagrid column in pixels? So, how can we get a real text width in pixels on a Windows Form? Dmitri ...more >>

How do i populate a static hastable without the need to instantiate the class? any ideas? Im confused. class VAErrorMap { static Hasttable _ErrorMap = new Hashtable(); public VAErrorMap() { //populate has here.. but dont want to! _ErrorMap.Add(1, "error in use...more >>

Hi every one, I am trying to create a .NET application that will be called by other smaller .NET applications, can anyone advice me what is the best method/approch to communicate between applications where they have to communicate both way meaning the server recieve and send info from the other ...more >>

Is there a tool that tells me what permissions my assembly requires? I have add [assembly: PermissionSet(SecurityAction.RequestOptional, Unrestricted=false)] to deny all permissions I just want to now grant one I require? Cheers Earth Worm Jim ...more >>

I've searched, read and tried everything until I'm finally frustrated. Apparently this is a known IDE weakness, and I _CANT_ seem to get around it... My problem is working with this line: <A HREF="javascript:popUp('EventLogView.aspx?ID=<%#DataBinder.Eval(Container.Da taItem,"ID")%>')">View</...more >>

Hi All, I coding am application that needs to be VERY time and space efficient. I have a class like: class A{ ushort myNum; ..... } which contains a number datatype. I will have thousands of instances of class A and for the vast majority of instances, the myNum value will fit...more >>

Hi. I wrote a program to get the directory of "Recycle Bin" with SHGetSpecialFolderLocation . It works for "Recent", "SendTo", etc. but it doesn't work for "Recycle Bin". At http://www.dot.net.nz/codesamples.browseforfolder.aspx , and other places, the folder Ids are: /// /// Enum of C...more >>

Hi all, I am looking for a C# code or a third party component that compare two text file and display the difference as the same manner as Visual souce safe showdifference option do thank you for your help ...more >>

Having, pseudo. public bool ! string SearhObject( string obj ) { //Look object in a stack //If found return it (as string,of course) // if not found return false } As workaround (in this case) i create a null string that i returned. But some return values are classes that n...more >>

I remember that there was a study of productivity in the cubicle environment and Microsoft was quoted. Anyone know of it and where it can be found. grs ...more >>

Hi there, I'm looking for something like a ReaderWriterLock, but machine-specific instead of process-specific. Does such a class exist? I can think of various ways to roll my own but am reluctant to do so if there is already a .NET class that accomplishes this. David ...more >>

Hello, I have a C# service that I would like an icon to show in the system tray upon startup. I put a NotifyIcon on the form and changed the properties as follows: Name: ni ContextMenu: (none) Icon: {points to location of icon file} Size: ...more >>

Should I be storing a property in a temporary variable for performance = reasons? Example: Assume MyClass has a Property called Center that is CPU intensive to = calculate. Would this: if (MyClass.Center.x > 0 || MyClass.Center.y > 0) ... take twice as long as this: =20 P...more >>

Hi friends, Is there any advantage or disadvantage (good or bad practice) in using a ref argument vs an out argument or vice versa? Thanks for helping me better understand....more >>

I have severaloverloaded methods that take a multiple combinations of parameters, some which can't be null. I don't want to use try...finally logic all over the place to catch the nulls. I want to create some "catch all" functionality that I can add to every method that will sweep through al...more >>

i'm having trouble assigning a value to a handle. basically i need to perform a mouseclick, wherever the cursor is, on the screen at that time, and i have code that does this using the user32.dll WM_LBUTTONDOWN/UP messages. However, when i run my code, i think these messages are sent, but no...more >>

Hi folks, When we instantiate COM objects from our .NET code and use them, when we no longer need the COM objects do we have to dispose of them explicitly? If so, how? or do the COM objects also go out of scope and get picked up by the garbage collector? Thanks a lot for your replies....more >>

I am writing a DataBase Client/Server pair of applications in C#. The client registers a query, the server populates a dataset and its contents sent via XML to be displayed in the client DataGrid. This works fine. When the data is modified in the client DataGrid, the DataGrid.GetChanges call po...more >>

Hello I have a form (winform) with 2 panels. The first one (panel_cmd) is dock to bottom. The Second one (panel_all) is dock to fill. At design, When i resize the form, the panel_cmd don't follow the new size. If i resize the height, it stay an empty place on the bottom. No panel have be...more >>

I was wondering if someone could quickly tell me what the equivalnet to this line of code in C# would be in VB.... item.IsDirtyChanged += new EventHandler(NotifyParent); Thanks! ...more >>

Hi! I've got a problem when converting a System.String into a System.Char*! Problem: Invalid Cast Operation Here is the source: Type type = Type.GetType("System.Char*"); String val = "c"; Object o = Convert.ChangeType(val,type); val can only be a string, because i'm re...more >>

hi There are 2 concepts one is new in which u redifine the method and override in which u override a method,but when u overide u can also call the base call method using the base keyword. when we use new keyword and redifine a method in derived class can we call the base class method using th...more >>

I am using property grid in C# application. Property grid displays the propeties properly. But I have some problem in displaying custom validation message. I have integer type property. When I give invalid values for the property it is throwing System exception as follows. "Invalid Property V...more >>

Can .Net use File Mapping function without Win32 API ? thanks! ...more >>

If I want to implement an IClonable interface, how can I copy the events from my source object to the target "cloned" object? ...more >>

Is there a control that can display the contents of xslt output, basic html also? Thanks in advance! ...more >>

Hi, Coming from Delphi background, does C# has something similiar to TActionList or TActionManager class ? Thank You in advance., ...more >>

Greetings. For the most part, my reporting solutions have been ad-hoc (usually html for web apps) to the current project. I'm currently trying to figure out what would be a good reporting solution for primarily asp.net apps, but also my winform apps. I know .net comes with Crystal Reports ...more >>

Is there a way to create pure old style DLL's? using C#? I need to use these DLL's in a VC 6 project that does not support managed code (as plugins) But the VC 6 code doesn't use Interfaces to that, just classic dll entry points. ...more >>

I want to append records in a XML file,I use XMLTextWriter,but i found it only create a XML file,not append records in exist XML file.why? ------------------------------------------------- XmlTextWriter myXmlTextWrite = new XmlTextWriter(@"C:\myconfig.xml"); myXmlTextWrite.WriteStartDocument(); ...more >>

I have created a web form with 3 different inputs, 1 drop down and 2 list boxes. The drop down selection populates the two list boxes, and I can get this render once, no problem, I now want to change the contents, of either list box based upon multiple selections in the list boxes. In shor...more >>

Could someone point me to a good reference point (books, websites, etc...) that will show me how to create non-rectangular Windows forms using C# (although I could probably figure things out if the code examples were in any of the .net languages)? Ideally, I would like to learn how to create no...more >>

Hi, I am trying to deploy my app and have added a setup project to my solution. I added the Primary Output and it showed me the dependencies but it didn't have the Framework 1.1 listed. How do I get this installed on client pc as well? Is there anything else I need to install in order...more >>

Hi all, I have a question regarding DataRows in DataTable. My DataTable name is DtTag. I am filtering a row out of the DataTable based on a column name called "TagName". My question here is DataRow[] Rows = DtTag.Select("TagName = '" + tagName + "'"); How do I check the count of Rows...more >>

I am working on an existing .NET (C Sharp) component that had a com interface that was used by a VB component. When it was originally written, it had a class with 12 methods that inherited from that interface. I needed to add two new ones. I was told I would need to create a secondary interfa...more >>

Can anybody give me some advice/feedback on using application blocks? What are the prerequisites? Do I need to install componenets, or, do I need to upgrade to the latest version of the .net framework? Thanks... *** Sent via Developersdex http://www.developersdex.com *** Don't just partici...more >>

I have a static class in my VB.Net ASP app. In this class I want to modify application object variables. What do I need to reference in order for this class to see the application object? Thanks, Brian Bender www.brianbender.com...more >>

hallo ng, i am trying to parse a sql-statement with regular expressions. my goal is to get the parts of the statement. in my thoughts the group-functionality of the regular expressions should do this. my pattern looks like: A) string strPattern = "(select.+)(from.+)(where.+)?(order.+)?"; ...more >>

I'm certain there's a simple way to do this, but I just can't find the pointers... How to get the huge 'drive:\long\path\to get\there\filename.ext' to something like 'D:\Docu...\filename.ext' I searched through help files, but I must be missing something obvious. Any help here? Chuck ...more >>

I wish to draw a line say 10px wide at a 45 degree angle (or any other angle) and have it shaded say from gray to red to gray again (or any other color). I can get the line by using a GraphicsPath object but cannot work out the shading part. Is this also possible for say a circle with an ou...more >>

hello any one can send me sample code to work with dataformats in c#(rtf,html). regards --rammohan...more >>

Hi to forum... If i have this.. protected SqlConnection mycnx; public SqlConnection MyCnx { get{return mycnx;} set{mycnx=value;} } Main method { this.mycnx=new SqlConnection("Data..........") } the value of mycnx is stored in MyCnx automatically? Thanks in advance ...more >>

Hi How do I include DLLs based on a condition. Eg., there are 2 DLLs 'Oracle.dll' and 'SQL.dll'. I need to include ANYONE of the DLLs based on a value. Is it possile in C# Thanks in advance ARZ...more >>

Hi, here are answers for some of the questions I suggested a short time ago for the m.p.d.l.c FAQ Jon Skeet is organizing. It was Jon's intention that these be 'honed' by the group before being included - so hone away. It's my intention that you merely not 'tear me a new one' for any inaccuraci...more >>

Is there any way to actually force a focus to change it's position? E.G TextBox.Focus.MoveRight(1); or somekind of method that can move it? jax...more >>

Hello, Could you please tell me what's wrong with this code (c# office code behind) : protected void ThisWorkbook_Open() { try { MessageBox.Show(ThisApplication.CommandBars.ToString()); MessageBox.Show(ThisApplication.CommandBars.Count.ToString()); } catch (Exception e...more >>

I am creating a ASP.NET website and in doing so, I am going to use "TABS" at the top of the page. These "tabs" are the same for the entire website. Is there an easy way (other than Frames) to "include" these common button/tab controls on the top of every ASP.NET page of mine? Thanks in advan...more >>

Hi, I am primarily a Borland Delphi developer and I'm very new to C# (using VS.NET). Here is my problem: I have three forms: frmLogin frmMain frmChgPass After the user authenticates himself in frmLogin, it's visble property is turned off and the main form shows. In the Main form I ha...more >>

Hi, I am primarily a Borland Delphi developer and I'm very new to C# (using VS.NET). Here is my problem: I have three forms: frmLogin frmMain frmChgPass After the user authenticates himself in frmLogin, it's visble property is turned off and the main form shows. In the Main form I ha...more >>

I'm having trouble returning an object from an AsyncCallback called inside a threaded infinite loop. I'm working on a Peer2Peer app that uses an AsyncCallback to rerieve the data from the remote peer. I have no problem connecting the peers and streaming Network Streams. When the incoming data...more >>

Hi all, I need to print all the data in my datagrid to a printer, and the user must be able to choose whether with the grid lines or without. I am a beginner in .net and I would appreciate any help!!! Thanks, Veronika...more >>

I am trying to display a GUI Process from a C# Service Application, I can see the Process in the Task manager but i canno see the Process GUI window displayed. But if i start the same GUI process from the Normal Application the Window is visible. I use the c# Process class to do this Any suggesti...more >>