Hi all, I had made a windows service program for watching the bmp files in the directory and if there is a files created then the program will change its format into jpg and delete the bmp file. But how to debug this program?? I had installed it. And when I created a bmp file in that directory t...more >>

Hello. I have a GraphicsPath path with some rectangles in it. It is now possible to transform these with a matrix but is it possible to transform just one of the rectangles, leaving the others untouched? I guess this is not possible but I want to be sure. Or someone has a neat trick to achi...more >>

I have made a Windows Service which download a file from a URL and unfortunately this file takes too much time to download and I need to modify the time out value. Does anybody knows how I could modify this value ? ...more >>

Is GDI as fast as drawing gets? I'm writing a program that deals with drawing a ridiculous amount of lines and am finding GDI a little slow, or just maybe how I'm using it. I was looking at some DirectX documents and wondering if that was the way to go. Any help would be appreciated. Th...more >>

I'm having a major problem with a databound listbox in C#. In the constructor for the form I am trying to pre-select some of the items based in information in the database. When I step through the debugger it all seems to be working properly until the Load function is called, and then all my se...more >>

Hello, I have a web method that serializes a class that includes among its public fields a System.Object field to which, at runtime, I assign instances of various different classes. When XmlSerializer tries serializing this public field's real content I get a "The type namespace.classname was...more >>

I have a DataGrid on a form which is disabled and enabled at runtime depending on user's choices. I've noticed that when the datagrid is in enabled mode at runtime, the scrollbar is still disabled. Can't seem to figure out why.. Also, when the datagrid is disabled, I'd like there to be nothing i...more >>

Hi, I'm trying to create an AppDomain and use it to load an assembly with reduced permissions (e.g. the "Internet" named permission set). Unfortunately, the permissions seem to be reduced *too* much, and I can't figure out which individual permissions I need to add back to make this code ...more >>

Hello, for some reason I need to use attributes in ILAsm code and read these attributes in C# code. My problem is with the attribute declaration inside ILAsm code. I know that I define any attribute by using ILasm's ".custom" keyword but I do not understand how to initialize the attribute ...more >>

I want to be able to display the attributes of a jpg file using the fileversioninfo class. I have tried the following code below but it doesn't work, where am i going wrong? does it need special permissions? FileVersionInfo FileProperties = FileVersionInfo.GetVersionInfo(@"C:\test.txt"); ...more >>

Hi, I am wandering is it possible to capture all values posted (Http Post) from a web site to a web service? I would like to do something like following in web form: HttpContext ctx = HttpContext.Current; NameValueCollection forms = ctx.Request.Form; for (int i = 0; i < forms.Count; i+...more >>

Hello, coming from win32 API I recall an ExitThread() call to gently terminate a thread from inside the same thread .... but now all I can see is an Abort call which seems to me a wrapper on the TerminateThread() Win32 API which is a brutal way to end a thread. Is there any other more gentle w...more >>

I have an interface that contains definintions for a method with two different signatures. For example: namespace Paul.DemoApp { public interface IHello { void sayHello(string message, Thing myThing); void sayHello(string message, DemoClass demo); } } I t...more >>

Hi, Our small company is growing quickly, and we need a source control and build tool for all our c# .net code. For build tool, i was thinking Nant. For source control, i was thinking perforce (for Win). Any home runs out there? Thanks!...more >>

Hi, why is the @ not doing it's job here? string sql = @"SELECT InvoiceLine.InvoiceLineItemRefFullName AS ["Product"], Sum(InvoiceLine.InvoiceLineQuantity) AS ["Quantity"] FROM Invoice, InvoiceLine WHERE (((Invoice.TxnID)=[InvoiceLine].[TxnID]) AND ((InvoiceLine.InvoiceLineItemRefFu...more >>

Hi, I'm working on some basic analysis stuff and want to (ultimately) display my data on a chart by a month breakdown. To get each months data I need to run a separate query on the db, but I want to display all the data in a table form, basically with columns representing the month period. ...more >>

Hello All, I want to start to study C# and I don't want to spend to much money with books a this moment. I want to know if there are some tutorials abou this language to help me with forms manipulation and instructions for beginers thanks, Rodrigo. ...more >>

I defined the struct as below. When I try to asign a value to rgxTabs(0), I get an exception that rgxTabs is null. What more do I need to do?? public struct PARAFORMAT { public int cbSize; public int dwMask; public short wNumbering; public short wReserved; public...more >>

I have a winforms app that I compiled and put on my client via .NET setup. I have a webservice on this app. The External address for this webservice was in the app.config file. Well I just did I search on the client and I can't find ANY app.config file. Please don't tell me this is compiled in...more >>

Even if I have an rtb that has the ReadOnly property set to true, if I click on the control, the cursor starts blinking at the beginnig as if it were editable. If messes with the users head. How can I ensure that the control will not be able to have this cursor in it? ...more >>

I've been playing with the RegistryKey class in the Microsoft.Win32 namespace. I can do various things but I can't seem to get the syntax correct to see if a value or a key exsists. I know I need to use the GetValue & OpenSubKey methods I've been trying variations on these methods with no l...more >>

Is there a way in C# to get the windows/media drive/location? I looked in the SpecialFolder enum but saw nothing helpful. Regards...more >>

hi how to update dataset's row thru code i got the new row as a data row in which the primary key remains the same but was unable update the non primary keys Thanks in Advance ...more >>

Anyone know how I can subtract 12 months from the current date?...more >>

look at the sampl <pre using System class Bas public virtual void Print( Console.WriteLine( "Executing the base." ) class Derived : Bas private new void Print( Console.WriteLine( "Executing the derived." ) base.Print() public void Print2( ...more >>

Yesterday, I posted a question about accessing controls on a child form. I had trouble understanding it. I am NOT rewriting this program, and need a way to work this out the way it is. Here is exactly what I'm dealing with: I have my main form(Form1), which contains a third-party main-menu ...more >>

I have a Dataset that filled with data from a serious of flat files. Is there a way to write XML from this Dataset per predefined XSD schema? ...more >>

I have a string with n number of characters. I'm trying to create another string which is exactly 12 characters having leadings zeros and the input string at the end ex: string1 = "7344", I want to format string1 such that it results another string with string1 at the end and leading zeros in fro...more >>

Is there any way to maintain the sort order of a sort on a 2D array? For example: I have the array: 1,a 2,a 3,f 4,a 5,s 6,a 7,z 8,b and sort it by the second column, and I get: 4,a 6,a 1,a 2,a 8,b 3,f 5,s 7,z The results I am looking for would be like: ...more >>

Hello all I want to create a log in the same directory as where the .exe is, what function do I use to find out the absolute path to the .exe's directory TIA Ray K....more >>

Does anyone know how to serialize a dataObject. Is it possible? What I try to do in my application is to allow user drag and drop objects onto a toolbox type of thing, and try to preserve these objects (DataObject) when user quit the application, so they could drop they back to an editor leter...more >>

Backround: I am trying to figure out how to do the equivalant of a classic COM Local Server Singleton in .NET/C#. I created a coupld of simple Class Libs that exposes public interfaces and hosted them in a Windows Forms EXE. Create a Windows Forms client and both the Client and the Host EXEs ...more >>

I'm working on a project where I need to be able to print a single line at a time to a dot matrix printer. Essentially we have a log printer and each time an event occurs on the system I need to have the printer print a line that relates to what the event was. From what I can see of the printer...more >>

Hello, We have a nunit test object. We've set breakpoints on: constructor, destructor, and a method. Constructor is called once, first. Destructor is called next. Last, the object's method is called. How would this happen?...more >>

Hi, I want to get the ANSI value (0-255) of a character. Assume I create a character like this: string s = new string((char) 151, 1); Now I want to get the ANSI value (151) for this character. How do I do this? When using ASCII I, of course get the wrong value: byte[] arr = Encoding.AS...more >>

Hello, in my asp.net app I have declared the following [DllImport("UADLL.dll",EntryPoint="GetTMDataRepositoryUsage",CharSet=CharSet ..Ansi, CallingConvention = CallingConvention.Cdecl)] public static extern int GetTMDataRepositoryUsage([Out][MarshalAs(UnmanagedType.LPStr)] ref string szCompu...more >>

Is it possible to add a folder of VB6 dll's to COM+ without haveing to do it one by one? I have a folder of about 400 VB6 dll's that I need to add under COM+ and really don't want to add them one by one, I would like to do them all in one swoop. thx ...more >>

Is there a typedef in C# or even a substitute for it? Peter. ...more >>

Hi, I want to learn c sharp . I am new to .net Development.I download the following 2 Installations = from the Microsoft site. 1.DownLoad A. Microsoft .NET Framework 1.1 Redistributable (23MB) B.Microsoft .NET Framework 1.1 Software Development Kit = (106). ...more >>

Hi all, I have a datagrid that connects to a DataSource through ODBC and I can't seem to make a datagrid cell update the database with the new value, when I edit that cell... How can I do this? Thanks in advance, Peter ...more >>

Hi I used to use #define in c and c++ to do this... #define Code 1 #define Name 2 then later in program strCode = List.Items[Code]; strName = List.Items[Name]; Then when ever they change around, all I changed was the defines. They would be change in code before compiling. It w...more >>

Hi, I am analyzing Duwamish7 source code boundled with Visual Studio .NET 2003. Could anoybody explain why the Monitor.Enter and Monitor.Exit block is used inside a static constructor? The code can be found in Project SystemFramework within module ApplicationLog.cs. Here comes the sample. n...more >>

I have an asynchronous Server Socket to push data to client (Socket.BeginSend) when data is available, Meanwhile, the client socket use Synchronous Client Socket to receive the data. I have two questions on this 1. When client socket does not receive data as fast as server, does server socket queu...more >>

Does anyone know if there is a spell checking object / feature in .Net to be used with C#? ...more >>

Hi al I am trying the following On a base form I open a new form with a treeview On the base form, there are two buttons Depending on the selection in the treeview on the new form, I like to enable or disable buttons on the base form I do not like to declare and open forms as static. Would be...more >>

Hi I am using a dataset to display my information to a user, however my dataset is in no way matching all of the fields and columns of my ms sql database, I fairly extensively modify the data so that the user can understand it from the raw table. My question is there some sort of mapping inter...more >>

i'm looking for some word which uses my domain name. i have already decided this as " gdk " but i still imply the meaning this word... so could you give me some hint or advice about this word... for example, g : god of d : development k : kit please...help me...it's your turn... ...more >>

A new informal survey shows that Java supports a much larger and faster growing book publishing ecosystem than other languages, including PHP, Perl, C++, C#, and VB. The survey (which I'll christen the Publishing Ecosystem Capacity Indicator - or PECI for short) looked at the number of books pub...more >>

I was wondering if anyone knows of a way to open the device manager, OR system properties? thanks in advanced, Jay ...more >>

Hello all, I need to scan and rebuild logs dependent upon a certain time span, i.e. anything over 4 days older than today. The beginning of each entry is formatted yyyy/mm/dd hr:min:sec. Now, I know I can have a loop of reading in and creating a TimeSpan object from each entry, call it '...more >>

I am in the process of converting some web apps to implement the ADO application block. I have a copy the the applications on a local development server, in which I have successfully installed and referenced the application block classes. From this point the app goes to a staging server, in whic...more >>

hi, i just want to ask how to access VB6 Module's methods in c#. i already converted the dll into interop assembly but i cannot invoke Module's methods thru reflection. thanks. ...more >>

When reading from a data reader I have been using code like this : if (objDataReader.Read() == true) { intNewStatus = Convert.ToInt32(objDataReader["STATUS"]); } But I've seen some code examples using GetInt32 (or GetString et...more >>

Hi I'm trying do create a generic base class for all of my data objects. One of the main requirements for this class is to be able to handle all common db actions without need for implementing them in inherited classes. To accomplish this I need a way to map values of class fields to corres...more >>

Hi, I have three assemblies. In Assembly1 I define an abstract base class called MyBaseClass. In Assembly2 I derive a class from this MyBaseClass. If I asked in the derived class if this class is a sublass of MyBaseClass the function IsSubclassOf returns true, so this works properly. I...more >>

how to read PDF document via code? i found SDK at adobe.com ($200), but i really need something for free... help, please... ...more >>

Hi Guys, Is it possible to create a disk management system using .NET entirely. What I mean by the above is having an application possibly a .NET windows service monitoring the disk, creating and adding users and giving them access to store a limited amount of data. The only thing w...more >>

Is it possible to convert a .NET dll to COM dll. Heard there is a way of doing. It is very much needed. I have to use it in VC++....more >>

I have some questions about the volatile keyword... 1) If I use the volatile keyword with a reference type such as a class like so: public volatile UserTotals totals = new UserTotals(); Are the fields of the class also protected? Or is it just the 4-8 byte reference to the object that is ...more >>