I would like to dynamically build a list of arguments to pass the string.Format method and I am not sure how to do it. Basically, I would like to dynamically build a list based on the results of a regular expression match ie: private string[] FormatContent(string pContent, string pExpressi...more >>

Hi, Using Add-In project, I can't find how to make my public functions available in Excel ? Thks for help. ...more >>

Hi, I'm sending multicast messages UDP socket and C#. But the receiving clients are not receiving all the messages. Receiving clients are missing out some messages. When I debug the server side, the messages are being sent correctly, but receiving side side is missingout some messages. ...more >>

Has anyone come across a decent algorithm for implementing word wrap features in .net printing? I have a small component that uses basic printing techniques (i.e. e.Graphics.DrawString in a PrintPage event of a PrintDocument object) to send some formatted text to the printer. However, if t...more >>

Hi all, I'm still working on my Caller ID software. As it sits in the traybar and basically does nothing, after a few minutes the screen saver kicks in and it still works, but I have to go move the mouse or something to actually see what's being displayed. Is there a way I can force the scre...more >>

Can anybody point me to some documentation or examples on how to play MP3 from memory. (I receive a MP3 stream from an USB device and like to play it without having to save it to a file first) Thanks Lutz ...more >>

Hi, I'm deveoping a Client/Server application. I want to send information by using structures. I want to have a standard header structure, and variable lenght data. for example, --------------------------------------- public struct Header { public int sequenceNumber; public i...more >>

I have written as a test a customer class that has all the necessary field handling and formatting routines in it that I need. I have dataaccess class that controls reading and writing the class into the database. However, I am now getting to the user interface layer and a little confused as to...more >>

I have a combo box. I would like to show a toolip for each item in the list when you put your mouse over it. Is this possible? Thanks, David ...more >>

Hi, I wrote an application that creates Excel objects in the background. I would like to dispose these objects once I know they won't be used again. I call the Excel quit function, and the objects stay there until the creator application is closed. I also tried calling GC.Collect to force c...more >>

I am loading a 4X5 picturebox matrix using a bitmap file template. As each cell in the matrix is being loaded, I append a text string using the DrawString function to complete the cell's image. The problem is that the DrawString function seems to work only on the desktop and not on the hx47...more >>

In my Windows Forms application, while executing a process that takes some time, I am changing the cursor to the hourglass by setting Cursor.Current = Cursors.WaitCursor. This is working just fine, except that any mouse events generated during this wait period (such as clicking on a button,...more >>

I am novice .NET and C# user. I am mainly C++, COM develoeper I have written my first C# Windows applicaiton where I am using my COM component. in one of the C# method I have instantiated the global variable as below public xyz.abc obj public form1() { obj = new xyz.abc; } pr...more >>

I have seen this article: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/e2k3/e2k3/_hosting_createpublicfolder.asp I can't seem to make the conversion to C# - I don't see how to even do something as simple as create a new folder object. The intellisense after "CDO." doesn't...more >>

Hi together, I am trying to center a MessageBox based on the form wich is calling the Show method. This means: After calling the Show() method I don't want the dialog window in the center of the desktop instead I want it in the center of my form. I have already tried to pass the actual f...more >>

Hi I am designing a class (Q) which will contain provision for dynamic complex properties. For example, these properties could be any or all of the following complex properties: a) TeamMembers b) Pets Furthermore, the above properties may decompose further into sub-properties: TeamMe...more >>

BlankHi, I have two datagrids on the form. When I click on the row in the first = DataGrids, I want to reset the second datagrid before binding the = dataset with new sql statement. I tried with dataset.clear(). It doesn't = work. The columns are getting added to the existing columns for the = ...more >>

Hi folks I am trying to assign a Delegate to an Event using reflection. I use FieldInfo.GetValue to supposedly get the field object, but casting the result to the type of the field and assigning the Delegate does not catch the event. 1. Does GetValue really return the *actual* object held...more >>

I need to write a socket server that accepts around 100 connections, but this could grow to a 1000, or more in time. The data throughput will be minimal, mostly in short random bursts, but it's important those connections stay active. Having googled a bit, I understand there is a limit of ...more >>

Let's start with an example: if you have: class Test { public delegate int MyDelegate( int n ); event MyDelegate MyEvent; } then you can get MyEvent using reflection: Test test = new Test(...); Type t = typeof( Test ); t.InvokeMember( "MyEvent", BindingFlags.Instance | Binding...more >>

In a report I have the simbol "ó" but when I print it, the simbol appears as ¾. Why? Thank you. ...more >>

This there a public program/algorithm that can tell me the key points of a text? For example I entered the following text: Web logs, or blogs, the online personal diaries where big names and no names expound on everything from pets to presidents, are going mainstream. While still a relat...more >>

How could I create a socket array? Such as if tSocket was a socket then, tSocket(1); tSocket(2); ...more >>

I keep getting this when trying to create an MFC activex control in a c# windows service - anyone got any ideas what the missing module could be??? Exception thrown : System.IO.FileNotFoundException: The specified module could not be found. at System.Windows.Forms.UnsafeNativeMethods.CoCre...more >>

I have the following code, this is a form. When I get to the second line I am receiving "Additional information: There was an error reflecting type 'WindowsApplication3.Form1'." Am I just missing something here? It's been a long day so it is possible. Type type = this.GetType(); XmlSerializ...more >>

Using the custom format "ddd MMMM d h:mm tt". DataBindings.Text is set to my dataset field. Control displays properly, I am able to change date values but the moment I click the save button, text field resets to database value. Debugged the first statement in the click event. If I do ...more >>

How would I program an interupt. If I have two buttons on a form, one starts a loop and the other stops the loop. What code would I need to add? private void button1_Click(object sender, System.EventArgs e) { int a= 1; ...more >>

I have a namespace standard that I have to adhere to set by our development staff: [CompanyName.SolutionType.SolutionName.ProjectName] So, an example: MyCompany.Libraries.MyLibrary (When projectname == solutionname, we leave the projectname off of the namespace). Application: MyCo...more >>

How do you read in fixed length file using the streamreader class and input the records into a dataset with the correct field sizes and names? Thanks ...more >>

I am trying to switch to C# from VB. A few things I cant seem to find: * How to get those handy Try/Catch templates to appear when I type "Try" * How can I auto reformat my code? ...more >>

I have created a treeview for my app that on MainFormLoad I have it get the list of drives with GetLogicalDrives() and populate the tree, then when I click the drive it adds the first level of folders on that drive, then click a folder and it adds the next level of folders under the first, and s...more >>

What is the proper way to set a text box where it would display a few paragraphs of disclaimer? It would be textbox, with vertical scroll bar to run through the text. Is this done with a textbox and setting the text property...a label and the text property..or another method? It seems wron...more >>

Hi there, Is there a way to create a DLL, written in C#, that can be referenced/used by VBA without the necessity of installing the Framework on all the "Excel-PCs"? TIA, Martin@Vienna@Austria@Europe ------------------------------------------------------------------------- to get my rea...more >>

Hi All, I got a issue here and hope someone can help me: Let's consider this code: // =================== CODE START ================================= using System; using System.Data; namespace TestNamespace { public class Test :DataSet { public static int i = 0; public Test()...more >>

Hi, I was wondering what is the best way to implement a 3D view of a simple grid of lines using basic GDI+ and C#. The grid is supposed to represent land and I will place objects on the grid. I will need to be able to change perspective views of the grid. Any help would be appreciated. ...more >>

Hi, I am working with a program that someone else wrote. This program is full of bugs and unhandled exceptions are thrown all over the code. Instead of trying to catch the exception at each point it is thrown, I am wondering if it is possible to catch all exceptions at a top level. I tried t...more >>

Hi, I'm writing a windows service which interacts with a separate process. Basically, it calls a process which creates a file, and then my service reads that file. The problem is, the external process can take a second or two to finish writing the file. If I try to read the file to soon, I ...more >>

The WritePrinter() is working. I know this ReadPrinter() implementation isn't correct because it never reads into "reaDstrinG" buffer from the printer...But, I'm sure one of you Guru's do know how I can make this work (and any help is appreciated): sb = new StringBuilder(initialValue); ...more >>

Hi everyone Any one managed to use properties when remoting i.e. Have a class thats marshallbyref that returns a class that contains properties and enums. Everytime I do this it just seems to expose the private member variables. Cheers -- "Life should NOT be a journey to the grave with...more >>

Hi; I would like to know if exists a C# class or any methods to print labels in different sizes like the labels in Microsoft Word??? Thanks... ...more >>

I have 3 textboxes with numeric values and would like to have a running total showing in a label ..What event do I use to show the values, when the textbox has LostFocus. At present I have a click event to show the final total ...more >>

I'm aware that unit testing is built into Whidbey. However, does NUnit work on Whidbey yet? I tried attaching to a Whidbey (Beta 1) .exe containing unit tests and it bombed in a hurry. Thanks in advance. Mark ...more >>

Hi, Is there a way to have a form as a control? Here's what I want to do: I have a datagrid which displays various information. However, I want to use it in multiple locations within the same application. Instead of creating an instance of the grid and linking up the same data on each for...more >>

Hi, I would like to be able to deserialize a stream to a specific instance. Deserialize returns me a new instances and that is not really what we need, we need to deserialized to an existing instance. Can anyone point me in the rigth direction? Regards -Martin ...more >>

I've got this great wee function which strips out the spaces entered into a textbox and it does this on the key press off a user. I got this working in a test application no problem however when I went to intergrate it with my real application which has the textbox in the footer of a datagrid ...more >>

Hi folks I have a Generic Value Type and I want to detect when the internal value changes. /////////////////////////////// public delegate void ValueTypeValidationHandler<T>(T oldValue, T newValue); public struct TestType<T> { private T value; public event ValueTypeValidationHand...more >>

I just happened to be looking through the implementation of the System.Version class in the SSCLI and one of the constructors starts like this: public Version(String version) { if ((Object) version == null) throw new ArgumentNullException("version"); Does anyone have any ideas why...more >>

The MSDN documentation states that it is not possible to validate the CheckBoxList server control in ASP.NET using the RequiredFieldValidator. Is it possible to do this via the CustomValidator using client-side script? I have attempted to write javascript code, but cannot pull the value of th...more >>

I need to interface to an MFC CArchive file created with Visual Studio 6. I've found some online sample code to translate an archived string into C# I now need to read in and translate a CTime object. This is written to the file as 4 bytes. Can anyone tell me the structure please (It's a s...more >>

I changed my code to replace an arraylist with a collection derived from collectionbase to get type-safe calls. Now though, I cannot seem to add a null value to the collection, where I could previously with an arraylist. Am I doing something wrong? Is there a way around it? Thx ...more >>

Hi, I’ve written a c# program to compact certain msaccess databases. The way this works is to compact say C:\test1.mdb to C:\temp.mdb, then delete C:\test1.mdb and rename C:\temp.mdb as C:\test1.mdb. My problem occurs if there is already a C:\temp.mdb file. I don’t want to just delete t...more >>

I need to create a unique number like a GUID but all numbers. Does anyone know of algorithm to do this? Thanks, David ...more >>

Hi All, I need send e-mail through the form. I tried this: --------------------------------------------------- DateTime dt = DateTime.Now; String sMsg = "<p><font face='Verdana' size='1'>Trinity Systems - Comprar - Private Label Control - " + dt.Day + "/" + dt.Month + "/" + dt.Year + "<...more >>

Currently I am retrieving values from a dataset and assigning the values to a textbox. I then assign the value from the textbox to a variable. I don't need the values in the textbox at all. I'm sure there is an easier way than I'm doing it. Any suggestions or help would be appreciated. Below is ...more >>

Hi, I posted this article ( http://msdn.microsoft.com/newsgroups/default.aspx?dg=microsoft.public.dotnet.languages.csharp&mid=0ee9781a-78f7-4398-a0ef-eeb195eccaea&sloc=en-us ) last week, and have yet to receive any replies. If someone could please give me further information I would greatl...more >>

Hi, I need to read a file and simultaneously modify the same file , i.e, read a file and then change some contents in it and then save it once again. How do I do this? Thanks,...more >>

Hello there, I wonder can anyone help point me in correct direction. Basically I have a Managed structure and I want to Serialize to to a byte array, Then I want to read this byte array in my <u>UnManaged</u> c++ app and get the contents. The reason I nead to serialize the structure i...more >>

All, I have a load balanced application server enviroment and wish to write a component that will sit on each node and service remote requests from many clients. Can anyone give me some advice in what type of remoting I should use i.e. client activated or sever activated for my load ba...more >>

I taught myself C++ a while back, but never got to involved in actually writing applications with it. I actually spent the last 6 years working for numerous internet web firms as well as doing a plethora of freelance web development work. Lately I started learning c#. The idea is to stop u...more >>

The WritePrinter() is working. I know this ReadPrinter() implementation isn't correct because it never reads into "reaDstrinG" buffer from the printer...But, I'm sure one of you Guru's do know how I can make this work (and any help is appreciated): string reaDstrinG = ""; int pcRead = 0;...more >>

I have an illegal character error so i used @ escape character but it doesnt work how can i make this work possible String dir = myproc[i].MainModule.FileName.ToString(); FileVersionInfo info = FileVersionInfo.GetVersionInfo(@dir); Thanks Poste...more >>

I am trying to release 2 applications based on the framework. A sound player and an Unicode tag editor. Both can be installed an run correctly in my system. I don't know if they can be installed in computers without the Visual studio. http://wusoft.ahost4free.com/en/index.html ...more >>

Im doing an application, where I have to compile from the command prompt. Like the line shown below. csc /optimize+ /t:exe /r:ClassTest.dll /out:Form1.exe Form1.cs The problem is that Im using Microsoft.Office.Interop.Outlook, wich is no problem as long as I compile from MS Visual .Net. I don'...more >>

Hi, How do we create the paging effect like the one we see in google? Kannan...more >>

Is it possible to get the Handle property for a particular cell in a ListView? I'm wanting to turn a cell into a progress bar rather than just displaying text. If it's possible to get the Handle I can just do Graphics.FromHwnd(listView1.Handle); and then use FillRectangle to display the prog...more >>