Hi, I have a user control - A that has a panel that contains a list of a different user control - B. When I'm adding a new B to A, I'm subscribing a handler (which is a method of A) to B.MouseUp. However, when I click B the event is not fired. See example: class A : System.Windows.Forms.Use...more >>

Hi all. I'm gettings asn1 error in capicom during the signature verification. The problem is that i sign the document using russian cryptoprovider - CryptoPro and verification also uses this cryptoprovider. Signed files are passed via email(Microsoft Outlook). Some files(small) pass ok and some...more >>

C# .NET 1.1 How do I sort ComboBox in descending order? Thanks Peter ...more >>

namespace System { public class Text { public static System.Char Omin='\t',Next=' ',Wciecie='\"',Zamkniecie='\"',Null='\0',Object='ÿ'; public static System.Int32 NextCharacter(System.Int32 i,System.Char[] litery,System.Char wciecie,System.Char nastepny) { for(;i<litery.Length;i...more >>

I need to set TextBox length based on the text length in the TextBox, so the entire text in the box is visible. Can anyone point me to an info on how to accomplish this? Thank You Peter ...more >>

Is it possible to create a class in C# which behaves like another object's property? Here's an example of what I want to be able to do, using made up syntax: class PropertyObject { private int value = 0; public static int operator get(PropertyObject p) { return p....more >>

Any status on nDoc development? Any idea if or when it will support .NET 2.0. ...more >>

In Windows Forms MDI applications... I'm wondering if it is standard practice to create DAL and business objects as static classes. The only alternative (please enlighten me if I'm wrong about this) is to instantiate the DAL and business objects in a Form class - most likely the MDI parent ...more >>

Hi, I use a simple static funtion to output errors, trace messages... However when i call the same function more than one I get an error that the text file is used by another application.. public static void echo(string logMessage){ StreamWriter w = File.AppendText("log.txt"); ...more >>

I am programmatically building and populating a table and then making it the data source for a dataGridView. I want to add a column to the dataGridView which will be a DataGridViewComboBoxColumn. I wish to populate, by default, all of the ComboBoxes with the same list of three choices. Ho...more >>

How to rewrite this snippet if you must implement IDisposable private static void OpenConnection() { string connectionString = GetConnectionString(); StringBuilder errorMessages = new StringBuilder(); SqlConnection connection = new SqlConnection(connectionString); try { co...more >>

hi db : sql server 2000 lan : C#.net(ASp.Net) in my database table there are 2 fileds of data type datatime. in field 1 i'm storing date in field 2 i'm storing time. in my textbox date is in the format of 2/12/2006 and i'm inserting as it is. and time is in teh fromat of ...more >>

Hi, I'm in troubles with Windows XP SP_2 I've mapped a net drive to Z: for the machine user Administrator. I've build a Windows service in C# and .NET Framework 1.1. This service must copy several files to this net drive and for that, I use de Administrator account on the machine. And...more >>

Hi, I have a (Complied) C Library that needs to be called using c# code, some of the function require char* parameter(in and out) Here is the problem, There is a function that expect an input char* parameter for example int AddString(const char* someStr) And then there is another f...more >>

I have a class that I need to adapt to various scenarios. Some properties and methods will be needed in every case, while other's are unique for one case. So I made a base class, and a set of other derived classes for each scenario. But I don't understand this fully. There are not only meth...more >>

Hi, I'm trying to use direct show to grab arbitrary frames from a DV .avi. I'm using the PlayWnd code from this example: http://www.codeproject.com/cs/media/directshownet.asp Currently an IGraphBuiler is cast to an IVideoWindow, which is passed the Handle of a picturebox to display the v...more >>

What is the equivalent in C# for VB With <object> .something() End with...more >>

I have a single threaded application in c# that scans through a file system. While doing this if I try to minimize, maximize buttons on the top,right hand corner of my form do not do as they are supposed to do. To maximize the window I have to go to "task manager" and double click the applicat...more >>

After attempting to build a solution, I receive the error message; "One or more dependent assemblies have version conflicts" "Do you want to fix these conflicts by adding binding redirect records in the app.config file?" I received this after changing the assembly version in two of the solu...more >>

Hi! I wonder how to rotate a pictureBox, welle, the image in the pictureBox ! I watched old post form here, but i can't find any answer for this. I would like to rotate my pic like a sprite, with any angle possible. Anyone could help me please ?? I can't imagine there is only a complicat...more >>

Can I control the maximum speed that a connection (remoting or sockets) can reach with C#? Thanks in advance. -- ...more >>

Hello, I am binding a DataSet to a listbox. This listbox is used to set the current binding for an appointment page. A problem I have is that there can only be one appointment per day and I would like the listbox to only display the Date and not the Time. In otherwords, I want the DisplayMemb...more >>

Hi! I'm quite new to C#, and I want to edit an XML file. I followed the HOW-TO here : http://support.microsoft.com/default.aspx?scid=kb;en-us;317666 but it didn't help that much. I work under Linux and MonoDevelop. The file I want to modify is here : http://pastebin.com/542434 Let's say that...more >>

I used the following "classic ASP" approach to build a dynamic menu, but would like to know the proper way to implement the same functionality using a .Net technique (e.g., placing the code in the .cs file and dynamically building the hyperlink controls). The controls need to appear within the...more >>

Hello all, I'm hoping that someone could help me with this bit of code. I am using reflection to dynamically call a method within an HttpHandler. When a method returns a user defined type that implements a certain interface, I want to call that interfaces method. The problem is that the lo...more >>

Hi, I've got a Crystal Report that gets some data from a stored procedure and I need to set some params of the proc at runtime. But no matter what I do, I cannot get the report to eat the params - it keeps showing an error that the proc needs to have it's params initialized. Code's someth...more >>

We are currently setting up our environment to file reference any assemblies we plan on putting in the GAC. To prevent the developer from having to go get the newest copy of the file and register it in the GAC we are planning on having a common share where these files will live. So what we wou...more >>

Hello, I'm calling a webmethod from a webservice written in java. I need to pass an xml file as parameter to the webmethod. I therefore use System.Xml.XmlDocument to load the xml file. The call works when i construct a string representation of the content of the xml and then, use the "l...more >>

Hi, I need to make a command line application that I have written support an option that allows the user to use the /p:* switch to specify that they would like to type a password but have it hidden so that each key stroke generates '*' as its output, hiding the what was typed by the user. If ...more >>

I'm a fairly seasoned vet with .net 1.1, and want a hardcore, indepth review of the new changes in 2.0, mostly covering the core namespaces and the System.Windows.Forms namespace. I dont really care about ASP.Net. Most of the books on 2.0 take it from the point of a beginner, which is a wa...more >>

Hello, I would like to intercept WebBrowser's HTTP requests in order to be able to supply custom login to the proxy server, as well as choose the right certificate for several specific sites. I'm trying to use the stock WebBrowser control in .NET v2.0 and have no idea how to extend it with ...more >>

Is there any performance considerations or any other concerns about having a Class with private constructor and all static functions? One particular function in question creates a few new instances of COM objects (through COM Interop), and makes lots of calls to these unmanaged COM objects. ...more >>

Is it possible for a project to have both C++ and C# code? How about solution, can we code half in C++ and half in C#? I am talking managed or unmanaged C++. Basic idea is to convert some project that are in C# into C++ and some = C++ projects to C#. Thank you, Po...more >>

I have the following code public static IntPtr CreateFont ( Font fnt ) { LOGFONT logFont = new LOGFONT(); logFont.lfFaceName = fnt.Name; logFont.lfHeight = -Win32API.MulDiv((int)fnt.Size, Win32API.GetDeviceCaps(Win32API.GetDC(0), LOGPIXELSY), 72); logFont.lfItalic = (b...more >>

Hello, I have built a couple of Active Directory administration tools that I plan to sell over my website. I was planning on making a "Full" version for people who purchase the software, and a "Demo" version which is a completely seperate assembly that is stripped down so noone can take a dem...more >>

If I want to use: switch (AppName) { case ApplicationName.App1: loadApp1Logo(); break; case ApplicationName.App2: loadApp2Logo(); break; } I'll get a ...more >>

I've been asked to come up with a formula for estimating C# projects. Does anyone know of a good source for this? (website, book, etc.) ...more >>

Hello I have a c++ unmanaged struct that has as one of its components an array of constant length. To transform it in managed array I have to use something like: public struct blabla { .... fixed public char fixedArray[10]; .... } when I use the struct, it is clear that fixedArra...more >>

I have a test application that is calling an assembly that reads some strings out of a config file. Normally, this assembly supports a web application and the information can be read just fine. Then I created a C# test application and ran the function. The function fails because the configur...more >>

I have a file referance for some of our assemblies, if someone else changes the code and I try to debug it I receive the following error: The source file is different from when the module was built. Would you like the debugger to use it anyway? If I choose NO and hit cancel then I get the ...more >>

Hello I used the VS designer to set up Process code as follows... the problem is, although the process is executed, when it is shut down I never get the Exited event. .... private System.Diagnostics.Process process1; .... this.process1 = new System.Diagnostics.Process(); .... // proce...more >>

I have this comma delimited text file. I want to convert it in one sweep to an access DB (mdb) format. I used the following code but it takes forever to convert. Is there a faster way? string strConn = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + strAppPath + "\\mydb.mdb"; OleDbCo...more >>

Hi, I have a webbrowser control in my winform. There is an html in the webbrowser which has a table, and many child <tr>s and <td>s inside it. I want to delete a specific <tr> node completely from the html. (I dont want to do style = "display:none"). I want to do RemoveChild("id of the tr") o...more >>

All: I have developed an ActiveX control using unmanaged C++ (MFC). I have also developed a C# application to server as a test harness. Both ActiveX and test harness application are built in Debug mode. The VS.NET (2005) project is configured for native debugging. In the debugger, when I tr...more >>

I am currently working an an app that will post and edit blogs on blogger. Right now I have it so I can recive a list of the blogs and the content of those blogs using Atomizer. This is my first program where I am accessing data over the net.When I go to retrieve the list of blogs my program act...more >>

Out of curiosity, only, which is recommended for SHORT concatenation...or concatenating two or three strings that are relatively small in size? Dim a As String = "bah" Dim b As String = "bah2" Dim c As String = a & b Dim d As String = String.Concat(a, b) string a = "bah"; string b = "bah...more >>

I have jobs in my BITS queue that have a status of suspended but when I do a resumejob on them, I get an 'Exception from HRESULT: 0x80200003.' Anybody have any idea why this is happening? TIA - Jeff. ...more >>

Hi Could anyone help me to understand why in the following code sum1 is different from sum2? Basically it's the same calculation done. Keep in mind the x is 28 digits so it's within the range of decimal. <codesnip> decimal x = (-0.0084682975822291150192357277M); decimal sum1 , sum2; s...more >>

Hello, I did a little research over the last couple of days about RSS. I use it widely for updating of news articles and various things like that. It made me wonder if it is practical to use RSS within my company to use it for monitoring. Example: Lets say my app performs a certain tas...more >>

Hi, I am trying to load a pdf file into a memorystream and upload this file to the browser. However, wenn I run the attached code (the ftpStream is a valid stream of the pdf file) I receive an "Application error" in the Adobe Reader. I tried all the default encodings and the windows encoding ...more >>

Hi Hope you guys can help me with this? I live in a house with 10 people.In the beginning wehn there were only two people, I gave them my password for the use of my pc. But since I got Internet at my home, everybody thinks its fun to use my pc. I cant change my password, cause I have v...more >>

I have a class that I need to serialize. For example if I had a Person class with the properties of FirstName and LastName. Currently when I serialize the class it looks like this: <?xml version="1.0" encoding="utf-8"?> <Person> <FirstName>John</FirstName> <LastName>Doe</LastName> </Per...more >>

I made a small windows C# application that has dB functionality. The dB I'm using is SQL 2000. It worked very fine. The thing I need is to enable the user to enter the sql server's username and password(many users with different priviledges and functionality) at runtime b4 proceeding with the ap...more >>

Hi Group, I just want to develop a language of my own. Not a big one.. Just I want to write a line like printme("Hello World"); I want to create a compiler to compile this and convert into MSIL. As per CLS, i think we can know what is the format of MSIL. So, if I say, compileprog.exe m...more >>

I have finally developed some code that allows you to re populate a tree view and re select the last node that was clicked. However, you have to hard code it for the number of levels the tree view could possibly be expanded to. Any ideas? //The test program has a button to set the path and ...more >>

Hello everyone, Ive been trying to get my application to "click" on a button in another application using SendMessage, Ive gotten this far but Im not sure whats wrong with this code, here is the whole application (its small for testing purposes) and it seems that window wraps the text, at least ...more >>

Hi Hope someone can help me, I am trying to pass in a string in part nr 2. The string is defined in nr 1.Somehow it breaks because of the ' The string I'm passing in should be something like: John tester's birthday 1)string reminderString = Contact.Name + " " + horizonContact.Surname + "...more >>

Hi all, I've been meaning to ask this for a long time, but my computer has been down more then has been up, but my question is when I bought Microsoft Visual C#.NET Standard 2003 Edition I also seen that it came with the msdn library. Does the msdn license with the C# or separate? ...more >>

using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using Microsoft.Ink; namespace DumbPictureBox { public class Form1 : System.Windows.Forms.Form { private Microsoft.Ink.InkPicture myInkPicture; ...more >>

Hi, I'm desperately trying to figure out how to take rich-formatted text from a rich text box and store it in a memo field (or any other type of field!) in an Access database. Can anyone help?? Cheers :) -- Regards, Ben Foster, ProDevel....more >>

private void Test(short i, short j) { short k = i + j; } What the hell is wrong with this code? "Can not implicitly convert type int to short" is the compile error. ASP.NET 1.1 C# Thanks ...more >>

Hello everybody, I have a simple form where I have added an 'inkpicture' and 2 buttons. One of them changes the inkpicture.editing mode to 'select' and the other one does the same with 'ink' mode. The problem is that when i select a stroke in 'select mode' and then change the inkpicture mode ...more >>

Hi, I'm trying to call a win32 function using pinvoke and C# .Net. The function takes a struct reference as a parameter (lpInfo), but on return the struct is not filled with data, and I'm suspecting that I have made a mistake mapping up the struct. DBSTAT DBenum ( XInt32 hDBase, ...more >>

I'm very new to C# (excuses out of way) I have a somewhat ambitious if not real world app in mind. Essentially my windows form runs a timer and every n ticks I read from 1 DB update some values on the screen and then do a DB write. ( nothing hard here an app that polls ) however I want ...more >>

Hi, how can I find the CSharp namespace chart on MSDN? I am a VC programmer. VC++ has MFC chart, like the top one is CObject, then.... CSharp got something like that? ...more >>

I am able to make a windows service in C#.NET and also tested it on my own system by installing it this way(installutil servicename.exe) and is running fine now when I want to test it on other system which files do i need to copy or how can I make a project installer which can install it on ot...more >>

hi, consider the following piece of code: string s1 = "kiran"; string s3 = s1.Clone() as string; Console.WriteLine(System.Object.ReferenceEquals(s1, s3)); The above piece of code gave me true while i was expecting false. s3 is a clone of s1. so s1 and s3 should be separate objects righ...more >>

We have just released C5, a library of generic collection classes for C# and other CLI languages, as found in Microsoft .Net version 2.0. C5 provides functionality and data structures not provided by the standard .Net System.Collections.Generic namespace, such as persistent tree data structure...more >>

Hi I'm using a FormView control. In my EditTemplate, I have bound to a DropDownList. This works fine, by having the key in my primary table, which is looked up via the binding to my DDL using the DataSourceID etc.. However, I want to have the value that is in the drop down list to be show...more >>

Hello NewsGroup, Does anyone know where I can find a table of some sort which shows a mapping from C++ types to C# type equivelents? This would be most helpful for API functions, structs, enums, constants,...etc. Learning and figuring this out the hard way is good but sometimes suicidal. ...more >>

hi, suppose in my application i need to perform a lot of insertions and deletions on my data structure. the ideal data structure in this scenario would be a linked list. unlike java, c# does not have a built-in "LinkedList" class. so which collection class should i use in C#? regards, kira...more >>