For some reason the method reverses the array, which is very annoying. If I put in 00001000 which is 8, i get back 00010000 which is 16. If I put in 00000100 (4), I get back 00100000 (32). This means that CopyTo is useless, since I have to reverse it to get it right. public static void Main(...more >>

Is there any way to show/open/load word document in PrintPreviewDialog ???...more >>

I would like to know how to be able to see my line being drawn while i am drawing inside Mousemove.......i only want to see the line or shape i am trying to draw on screen not all these other lines i see as i move my mouse *** Sent via Developersdex http://www.developersdex.com *** Don't j...more >>

Do C# arrays expand their length in run time ? for instance, in pascal, to expand the length with one, I could do it like : Setlength(MyArray, Length(MyArray)+1); Can I do same thing in C# ? Thanks ...more >>

Hello I am trying to write an application (Win forms with C#) that logs into a website (username & password) and after authenticated, navigates to a specific page by following a couple links and retrieve some data from the page. This will be all done programmatically. The user will only input user...more >>

hi all , i am using CodeDom, and trying to generate code that assigns one property to another. code looks like CodePropertyReferenceExpression propertyRef1 = new CodePropertyReferenceExpression(new CodeThisReferenceExpression(), "TestProperty"); CodePropertyReferenceExpression propert...more >>

Hi all, I'm working on some code that creates C#/VB.NET source files. I use reflection to examine some base class methods, their return types and parameter types. When I use reflection I of course get .NET types ('Int32' for instance). The problem is that when building the source code files...more >>

Hello all, I am starting a new yahoo group for college students earning a degree in Computer Science. Some times when you post to groups like this one the reply is I won't tell you because you are a college student and you should learn. Unfortunately this does not help us learn but just frust...more >>

I have Visual Studio .Net loaded and it works fine. I am trying to run csc from the command line in my wwwroot folder and I get a message that says it doesn't exist. I get that from the root also. I would have thought that when I installed Visual Studio, it would have set it up correctly....more >>

What is the maximum string length a textbox will take? Thank you. ...more >>

of course i already tried to find the answer using google. although i = found a lot of pages no one said definitely YES or NO.=20 sorry......more >>

We have a third party application that uses WM_SETTEXT windows messages for interprocess communication. This application sends WM_SETTEXT messages to a window with predefined class name ("NotificationForm", for example). I would like to implement a managed component that would listen to these m...more >>

I am new to C#. I have a dll (writen in C++) which returns a char* from the function getName() char* getName(); How do I access it from a c# application? (It just returns a number,when I call it. I know there is somehting wrong in the way I call it.) Any help welcome. Thank you in advan...more >>

i tried to create a very simple Windows Service using C#, after i install the exe as Windows Service by using installutil ... the Windows Service does not displayed in Services ... can anyone help ? i get this for mcWebService.InstallLog file where [mcWebService] is my ServiceName ===============...more >>

Hi, does something like a realloc() for arrays exist in C# ? (like in C) or do you have to create a new array-object yourself an then copy the already existing values in the new array ? thnx Chris ...more >>

Hi, I try to assign an object of MyDate to an object of Person but don't know well how ? (see code below) The way I have implemented it so far will assign a MyDate-object to a new Person-object, not to an already existing one. I'm stuck. Who can help me ? thnx Chris ******************...more >>

Hello folks I have to get the NTFS permissions of a folder programmatically. I am using C#. Pls hint me if i am missing anything in the code below. private void GetSecurityPermission(string strShareName) { NERR eRetVal = NERR.ERROR_FAILURE; EXPLICIT_ACCESS oEA; IntPtr ...more >>

Hi, I read http://www.dotnetjohn.com/articles/articleid57.aspx and I need the C# version. Here is the VB code Sub ChangeWhereClause(Sender As System.Object, e As System.EventArgs) Dim strWhereClause As String = "" For Each li in lsbEmployee.Items If li.Selected Then ...more >>

Hi, I want to store Database parameters in a resource file and allow the user to change these values through an interface. Can values in a resource file easily be overwritten and if so how? Regards, Steven ...more >>

I have 4 listbox which relate to 4 tables Here is the DB schema Departmen did in departmentname nvarcha Staf sid in staffname nvarcha did int //FK of Departmen Compan cid in companyname nvarcha Contact Perso pid in ...more >>

i got two buttons in the form. One is for encrypting the message read from a xml file and then encrypt the xml and save back to another file. The other button is for decryption. Again, this button read the encrypted file back, and then perform decryption. But i don't know why an exception always...more >>

hello, i want to implement page templates in asp.net and was reading through the following article: http://www.devx.com/dotnet/Article/18011 are there any experts out there that can give any pros/cons to this approach? the reason i ask is because the article says other methods of implementi...more >>

Hi, Coming from another language, I'm getting to unsuspecting surprises. All I want to do is to add some data in run time a grid, These data are not coming from a dataset but manually added by an end user over a C# form by clicking an add button. So, if I want to have a grid with data as bel...more >>

I have a fairly firm grasp of the C# language. I often see Visual Studio add code in square brackets. I've read through "The C# Programming Language" and I don't see any mention of this construct. Normally I just try to ignore this code but now I need to understand what it is and what it is ...more >>

Hi, I want 1) To create a method (event) that gives me Handle of Control under Mouse (tipically controls in a form). 2) To have Control with that handle. my problem is to make a method that send continually an information about the control under mouse for change colors (like Toolbar in IE6 ...more >>

How to use C# code to combine two html files into one. Million Thanks...more >>

Hi If I have a class that has lets say a big byte array or something, can I just have a dispose method with nothing in it yet still use the using statement so that the byte array will get freed immediatly. The other alternative I guess is I could call GC.Collect, but I think the using stateme...more >>

Please, i need to create an app that blocks access to the desktop. I need to block the CTRL+ALT+DEL key, and other system keys. Is there a way i can trap it? tks in adv. Fabiano ...more >>

Please, how can i convert a byte array into a string? i'm using with no sucess: byte[] tmpData = writer.ToArray(); ASCIIEncoding tmpXML = new ASCIIEncoding(); tmpXML.GetString(tmpData); return tmpXML.ToString(); tks in adv. Fabiano ...more >>

Please, how can i convert a byte array into an string? i'm using: byte[] tmpData = writer.ToArray();ASCIIEncoding tmpXML = new ASCIIEncoding(); tmpXML.GetString(tmpData); return tmpXML.ToString(); ...more >>

I've had a problem with getting a small c# app that I've written to run at a particular user login on XP. I've added a reference to it into the registry locations: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run (first attempt) HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Curre...more >>

Is there a way to create a little bigger icons and icons with more pixels than one created using the Visual C# IDE? Any references? ...more >>

I have to use two XSLT files to translate two XML files into HTML file = respectively. However, I need to combine the two html files into = one...HOW to do that??? I cannot change the content of the two = XSLT....Can I use stream concept to store the first result and then = append the second res...more >>

Please help me to the following questions: 1) Is it possible to save the XSLT result into stream?? I have one xml = and xslt file and i need to use the xslt to translate the xml into = another format which it would save as stream and what type of stream = should be used?? 2) how to combine ...more >>

Greetings, I have what I feel is a daunting task ahead of me ... I've been asked to create a web proxy of sorts for an internal web application. I need to develop an ASP .net page that captures both GET and POST commands from the user, pass the commands from the user to a remote site, then...more >>

Hi folks, I am trying to declare a datetime constant as follows: (As a class member) internal const DateTime m_FutureDate = new DateTime (2199,1,1,0,0,0); I am getting a compilation error: The expression being assigned to 'm_FutureDate' must be constant. Please let me know how to declare...more >>

I can't figure out what strings would match this: ^[\w][a-zA-Z'-]{1,128}$ Thanks Colin ...more >>

I have a winforms in whihc a web Browser Control is emnbedded into it. 1) I want to assign some values to some of the controls(textbox, Label....) from my winform code. And i want to do actions form submit and other from my windows forms control. 2) User can select text in the browser co...more >>

ilmerge -- William Stacey, MS MVP ...more >>

Please, i have an object that i need to serialize into a XML String. i don't want to do it using filestream. How can i do using MemoryStream? i created the code below, but when i use the ToString() method i get just the object name, not the real data. RetornoInclusao objRet = new RetornoI...more >>

hi I am new to C#. In VB 6.0 we can find the defenation of any user defined procedure (or function) by selecting right click and Defenation in the menu item. In C# also I can see that, but once the cursor goes to that defination, I want to come back to the calling function also. In VB 6.0 if we ...more >>

How can I generate random number between 1 and 13 inclusive. I''m doing this at the moment by calling the following private int PickCard() { Random RandomGenerator = new Random(); int RandomNumber = new int(); RandomNumber = RandomGenerator.Next(1, 14); return RandomNumber...more >>

I'm considering creating a static "helper" class that will be called by practically all methods in my data access layer (DAL) class. Rather than having every method in the DAL create its own connection object and then open it, I was thinking it might be good to create a static method in the help...more >>

I need some help determining the number of rows returned by any data reader. Thank you in advance....more >>

Forum, Perhaps I should ask a more abstract question: How can I implement application security in a C# application? That is, I have many users, and each user has a role in the enterprise. Each of these roles has responsibilities, and, hence, corresponding permissions. Thus, from m...more >>

I'm in charge of a .NET course, I'm trying to create the program of the course, but I think I need some advices.. If any one knows a good program...Please show me the wa Thanx in advantage...more >>

I have an access table (control) that consists of fields: key fieldname text record examples: 1,firstname,Adam 1,lastname,Smith 1,Age,30 2,firstname,Bob 2,lastname,Brown 2,Age,25 Is there a way to join this field to itself on key so that the result will be: firstname lastn...more >>

How can you get the version of your executable when you have multiple DLL in your solution? ...more >>

How can I check if a URL parameter exists before trying to do something If(Request.QueryString("Whatever") EXISTS??) { DoSomething(); } ...more >>

I must be missing something. Cause I'm adding a new item to a dataTable and I need to increment a specific column. so How do I get the value of a COLUMN within the last ROW in a DATATABLE belonging to a DATASET? For example: dataSet1.Table["Tasks"].Rows[lastRowID].Column["taskID"].Value.ToSt...more >>

Forum, Why can't I extend System.Security.Policy.CodeGroup? I need to create a custom code group to associate with my custom permission, but when I try to compile, I get the following error: 'System.Security.Policy.CodeGroup.CodeGroup()' is inaccessible due to its protection level...more >>

i want to copy a part of source bitmap i need into a new bitmap.of course the new bitmap has a smaller new size. how to do this ? ...more >>

In C# with an access table: (oledbadapter) Table.Select(selectCommand); Is there a way to return a result from a String Field that is numeric? In other words a function like: tonumber() I have a field that is text but that on occasion want to treat it as number. I want to do a search s...more >>

Hi, I need to update one cell in a datagrid. There are 3 columns involved. A calculation is performed on the first 2 cells. Once that value is obtained I would like to insert it into the third column. The calculation has been performed so I have the row and colums. I'm just having a h...more >>

Hi all Please let me know if there is a C# equivalent method for the VB Redim statement. Thanks a lot....more >>

Hello, do we have another methods for getting the size of an object if not using sizeof in C#? Thanks for reading and any helping .... ...more >>

Where can I find information on writing data in XML format? I'm working on a Win application and I'd like to be able to receive all the data that's displayed in my application in XML-format so I can use it in a Web app in the future. My goal would be to manually "convert" the data to xml and then...more >>

Is there a good way to loop through each column of a grid and resize to fit the longest record? Currently, the grid only contains one record with 8 columns. Thanks ...more >>

I'm just starting to convert an Excel addin that was written in VBA to C#. I have two issues I am having trouble with so far... First.... I tried to copy the old VBA code that takes a Range and then does a Find for a specific string within the formulas of that Range. While the Find metho...more >>

Is there any gain in preformace using for(int i=0; i < fooList.Count; i++) { doStuffTo(foo[i]); } Compared to foreach(fooObj oFoo in fooList) { doStuffTo(oFoo); } ...and what about comparing arrays to arrayLists Just curious greetings, mortb ...more >>

Hello dudes, I'm new here and that's because of one question : How can i control the parallel port in C# I just made an electronic interface and i want to control it from C#. Does anyone know this and could anybody give me some lines because i'm a noob in c#. If that works, i would als...more >>

Is there a way to include the .DLL supporting class libraries that my project uses in the single Windows App .EXE? In other words, my app uses about half a dozen class libraries (or more) and I would like to just distribute the one EXE with everything it needs (the ..DLLs) included in it. I p...more >>

How does one obtain the physical dimensions (in pixels) of some text (with a specific font)? I need to write text to a 'Graphics' object that must be centered, and in order to center the text I need to know what it's size will be. Your help is much appreciated! Noah Coad ...more >>

Hi, We're using a third party component which throws and catches exceptions a *lot* (tens of thousands of them). When we run code that uses this component from within the VS.NET IDE it is very slow, but when we run it from outside (eg with CTRL-F5 rather than F5) it is not. It seems like the ...more >>

I need to create a custom control to display a web browser in a C# app without going down the Interop/ Microsoft ActiveX Browser control route. I am not in a position to distribute the interop files to all the desktops as the app is already out. Does anybody know if this is possible or have an ...more >>

I'm sure this must be extremely easy. What I want to do is to grab a text file that is republished on the internet daily, and save this to disk. Can someone point me to a class that I can use to do this? For the latter part I presume I'd need to use a Filestream object to save this file. -- ...more >>

Hi all, I am working on incorporating the C# ping Utility from http://www.csharphelp.com/archives/archive6.html into my own winform program. I had to adjust some things (variables etc) for it to work but never mind that. I am currently calling the function with IP addresses I get out of my...more >>

Hi, I have a need to create a method/property called isInRole(). My question is whether this should be implemented as a method or a property? Is there any particular benefit to be had from doing it one way over the other? Thanks for any advice you can share Simon ...more >>

Hello guys, I am very new to COM+ and I am struggling with something that I think is not possible. What I want to do is have a COM+ component that will have a constructor that will take in TWO parameters. I know it is possible for a COM+ component to have constructor that will accept ONE paramet...more >>

Say I have following method: public string GetName(MyType type) { switch (type) { case MyType.Bananas: return "Bananas"; break; case MyType.Apples: return "Apples"; break; default: // what now? } } What is the best way to put into the default case? Debug.As...more >>

I want to make a program that can receive wave sound stream from microphone and process it (using FFT) in real-time, but I don't know any function can get the real-time stream from microphone? Please help me, thanks. ...more >>

Is there a way to use an input parameter to populate an IN operator (ie. "IN (val1, val2, val3)") in a Where clause? I have a data adapter whose SelectCommand reads: "Select contact_id, firstname, lastname from Contact where contact_id in (<val1>, <val2>, ...)" I need to fill the list ...more >>

I need to create one image of several controls lying "on top of eachoter" (Z-order) at runtime. Theese are a picturebox (lowest), with a textbox, some labels and a richTextBox scattered around on top. What is the best approach to this? Can handles be used somehow? Thanks! - Peder -...more >>

I have an swf-file that I need to open in Macromedias Flash Player. 1) How do I open this file using the default program? 2) How can I ensure a second swf opens in a different player window? 3) How can I ensure a second swf opens in the same window? 4) How do I make a window topmost? ...more >>

1) I'm drawing an image on a Graphics object. Is there a good way to change a full picture's opacity without iterating through all the pixels and setting a new alpha value? This will be used to make the picture fade out. 2) I have a semitransparent LinkLabel. This label will also contain a pi...more >>

Hi there I can document my classes by adding xml tags. Brilliant I generate the help files (Tools/Build Comment Web Pages) Sadly I see no way to add newlines to the document. Suppose I have the following comment ///<returns /// --> true, if .. /// --> false, if .. ///</returns ...more >>

In C++ I used to declare the following macro for deleteing objects: #define SAFEDELETE(x) if(x != NULL) { delete x; x = NULL; } Is there currently a way to do something similar to this in C#? I'm constantly writing... if(x != null) { x.Dispose(); x = null; } and would love...more >>

hi When user selects multiple files and opened our application We are getting only one of the files into argv variable Could some one help in getting all the file names Thank manoj...more >>

hi when a user clicks on muliple files, multiple instances of application are opening We avoided this by checking the process table. But we want to access the variable of the previous process and update in the current process. Is there a way to do it Thank manoj...more >>

hi How to add a custom functionality to the pop menu when a user right clicks on a file i.e when you right click on media file add-to-playlist command will appear for windows media player Thank manoj...more >>

Hi How can I map a network drive Programmatically using c# ? ( without using the scripting host Nadav....more >>

Hi, just learning C# ASP.Net programming, and there's something I don't understand. The book lists a program, and says to put in in the /bin directory, plus a code fragment to insert into the web.config file. The book says this will insert a comment with a timestamp at the start and end of any...more >>

Could someone please tell me....may seem very basic but when drawing shapes on screen how to be able to make a shape appear when drawing on screen.......at the moment i only use mousedown and mouseup when drawing a shape...i want to be able to see the shape as its being drawn.... *** Sent ...more >>

Hi I have an html viewer control (from opennetcf.org) in my app on pocketpc. My problem is that i cannot get hold of the text that has been selected by a user. I can use the DTM_ISSELECTION message to determine whether or not there is any text selected, but then can not get hold of said text. I hav...more >>

Hello, I'm new in this area and I need a good site that explains in details how multifile assemblies works and how it can help by running application that are been launched from a network drive....more >>

Hi all, I'm trying to implement an interface, shared for different classes, with a method that must return an object belonging to the same class that implements the interface. May be an example should be clearer: ============================== public interface IVector { [***] Addition([*...more >>

Hi Guys, How would I know if my socket connection in in TIMEOUT status while receiving data from the server? Where can I set my TIMEOUT=30 in c#. Somebody know this.. please help.. /dabuskol *** Sent via Developersdex http://www.developersdex.com *** Don't just participate ...more >>

When we open any document for printing, Print dialog appears, on it's right corner Property button is given to manipulate properties of the selected printer. Is it possible to show that property window/dialog of the selected printer without opening Print Dialog Box in C#?? ...more >>