Does anybody know a way to get the heights of the various lines of text in a RichTextBox? I'm not sure if "height" is the proper term. But what I'm getting at is that if you set the font size of some selected text on a line the entire line "height" expands to the new font size. I want...more >>

What is the difference between writtinig System.Runtime.InteropServices.Marshal.ReleaseComObject(ob) and writting ob=null ?. What will happen with my object in memory after those operations? ...more >>

Hi, Ok this shud b simple but i cant seem to find it. I want to convert a System.UInt16 data to 2 Byte array and System.UInt32 data to 4 Byte array ( BigEndian) something like Public Sub GetBytes(ByVal n as System.UInt16, ByRef b As Byte()) 'Converts the System.UInt16 to a 2 Byte array ...more >>

hi everybody, My TcpListener give me a TcpClient, and i would like to have the IP address of this TcpClient. I can have a NetworkStream with TcpClient.GetStream(), but I can't read NetworkStream.Socket that is protected... I've tried to create a class thats inherits from NetworkStream, b...more >>

Hi, Can we use NMock to simulate concrete classes?. In my case, I have to a class with no interfaces and virtual methods. I've got 2 classes A, B, dependent on each other. That means, one Class A creates many objects of Class B. For example.. public class DependenceClass ...more >>

OK, I have a multi-threaded application. I have a master thread which calls a delegate which I want the child thread to execute but that is not happening, instead the master thread is running the code in the delegate function. I know this as I can see the thread id's. This is what I *want...more >>

Assume there is a buton on a executable file(client.exe) and i know the coordinates of that button is that possible to clicking to it with c# if it is how? *---------------------------------* Posted at: http://www.GroupSrv.com *---------------------------------* Posted Via Usenet.com Premiu...more >>

I have a web app written in c#. is there an universal way to all log errors (sql, asp.net, server errors...)? Thanks Aaron ...more >>

How to get SHA1 or MD5 of a big file (+5MB - 20GB) as I can't read 20GB into memory. -- Chang. ...more >>

Hello .NET experts A group of develpers here are having some arguements about different ways to write program with minimal memory footprint. One method in buisness class creates an instance of another class and calls its method that does database related work. This buisness class methods is b...more >>

Quick question. If i call Thread.suspend() on a thread does the thread which is being suspended get any notification that it has been/is being suspended? I am thinking i want the thread-to-be-suspended to log the fact that it is being suspended. Any ideas? ...more >>

Hi to all, I need to implement the above interface in C#.NET managed application. Since I am a noob with COM i looked at MSDN article of how to invoke COM from inside managed code. However the article require COM object (.dll) i fail to find for internet Explorer. Plese can someone explain in d...more >>

Hello, I've got an ASP app. I have a simple datagrid. If I don't use column templates I can easily set up the datagrid to use paging by creating a PageIndexChanged event and putting this code in it... DataGrid1.CurrentPageIndex = e.NewPageIndex; DataGrid1.DataBind(); This works fine. B...more >>

I have a question here don't know how to solve it...I already spend quite a bit of time doing research for it, but cannot find a good answer for it... I want to create a .NET assembly which have delegate event. I need it to be singleton so no matter how many applications create instance ...more >>

Why do I say: SqlDataReader dr; instead of SqlDataReader dr = new SqlDataReader(); -- Texeme Textcasting Technology http://texeme.com Indie Pop Rocks @ SomaFM http://somafm.com/ ...more >>

can I call a vb 6 dll from my c# application? Thanks ...more >>

Hello! I have created a program, that receives files, and then stores them locally for later access. This program is run on a Windows 2000 Server computer as a system service. Some of the files also need to be copied over to another computer, that is running Windows 2000 Professional versio...more >>

Hello All, I've got two C# UserControls in a standard Windows Application project, but I'd like to be able to add them to my Toolbox so I can start placing them on forms. Unfortunately, it's not really clear how to do this, since all the examples I've found in the documentation seem to s...more >>

Okay, I know that the DataKeyField property of a DataGrid is supposed to allow me to define a field which will not be displayed. The values in that column end up in the DataKeys collection. My problem is that the column is still being rendered. I even tried the sample in the MSDN library for t...more >>

Hi, I'm making a little app with a treeview in a custom control name UCMenu... I load my menu with UCMenu _menu = new UCMenu(); so _menu is an instance of UCMenu... My problem is that I need to update nodes in treeview inside _menu, but I can't directly 'touch' it... So I thinked in...more >>

The following function fails if the Jet database has a password. This is the error: {"Cannot start your application. The workgroup information file is missing or opened exclusively by another user." } However the same Jet database opens easily with VB 6. Thereis no MDW ( workgroup file - ...more >>

Hello Group, I have question: How binding to textBox field from dataSet where field (column) type is int, or money? If in dataBase column is varchar or char this is simple. Thx PawelR ...more >>

I have a small timer application that will minimize to the systray. Currently, the tooltip displayed for the NotifyIcon will show the time. Static. What I would like is, while the tooltip is visible, for the time (text) to keep updating. I beleive there is a way to do it in C++, but I am not ...more >>

Hi all! I have a ASP.NET application written in C#. I connect this app with a 4th Dimension database via ODBC. My problem is that when i try to fill a dataset and the query dont return any data, I get an "Server Application Unavailable"-error. Is there a way to catch this error? I´ve t...more >>

In sql table I have a variable with value money. What kind of textbox or someother type of box should I use to enter money values? When I put integerTextBox I can't converted it to money value. Hrvoje ...more >>

Hello group I have problem with binding data to textBox. If in dataBease - dataSet I'va varchar or char I use: textBox1.DataBindings.Add(new Binding("Text",myDS ,"MyTable.MyColumn")); If I want binding int or decimal for example I have blank textBox. My question is How property name use ins...more >>

and I can't delete them. If I close the project, go delete the folders manually, the items reappear in my project. Any ideas what this is from? I do not see project settings on the "auto add all files" type of theme that might have been set?? I was doing some project and directory renaming....more >>

In a few days I'll be working with a client that uses powerbuilder to develop applications. I know how to use PB, but I prefer dot net. What can I say to convince the client that dotnet is a better development tool than PB? As far as I know, these will be windows applications. In terms of s...more >>

I wrote a line like this for executing the program that i want System.Diagnostics.Process.Start(uopath + @"\client.exe"); and i want to call a function after this program succesfully executed so i write the line like this [code:1:71767090a2] System.Diagnostics.Process.Start(uopat...more >>

I am trying to open a file in exclusive mode for writing. Is the code below correct? FileStream oStream = File.Open(FileName, FileMode.Open, FileAccess.Write, FileShare.None); The purpose is two-fold: 1. I want no one to be able to open a file while I am operating on it. 2. If the fil...more >>

In C++, I can create an object on the heap and have it kill itself when it's done (i.e. delete this) In .NET, I have a class which triggers a worker thread. When the worker thread is finished, I would like to have the object go away. Is there a ..NET/C#-proper way of doing this? Thanks...more >>

hi all, I'm trying to get the following to work: I have an objectmodel containing users and groups. A user is part of the users collection and a group contains users. ------- public class User {///// contains user methods & property functions} public class Users : System.Collections.Coll...more >>

I have been developing apps in C#... Until recently, I was not concerned about the compilation to IL step, which many people had been concerned about. However, having spent a few hours using ILDASM and Refelector, I am very concerned about the ease at which my code can be reverse engineered...more >>

I am writing a client/server application that communicates over tcp. The code I use to initiate the connection is as follows: NetworkStream networkStream = new NetworkStream(ClientSocket); toClient = new BinaryWriter(networkStream); fromClient = new BinaryReader(networkStream); There is si...more >>

Per http://support.microsoft.com/kb/q230501/ Microsoft Jet and Replication Objects I add a reference.: Add Microsoft Jet and Replication Objects X.X library, where (X.X is greater than or equal to 2.1). I also understand its part of the MDAC load. Is it under the COM tab ? What directory...more >>

Overloaded ostream << operator doesnt print first stream C++ .Net Framework. For example : ostream os; os <<"Hello"<<"World"<<ends; It will print something like: 0x127aa123World. Is this something changed on .NET framework ?? Somehow .NET is considering the first stream as void pointer . Why...more >>

I have a datagrid that I want to move another part of the page. I'm able to do this but the datagrid looses it's values after the move. General_DataGrid_CurrentItems is the datagrid name. I want to move it to a tablecell called tdControls. this.Controls.Remove(General_DataGrid_CurrentItems)...more >>

Hello there, I've created a worker thread that will handle events. To give this worker thead a run loop i've called Application.Run(); What call should i make to cause this thread to leave its run loop? thanks Brian...more >>

Hi, if got the following Problem. I want to draw an Rectangle on an loaded Image when the Right Mouse Button is Pressed and the Rectangle should Resize, when the MouseMove Event is fired. So my Problem is, that i cant find a Method, where i can undo the Paint of the Rectangle and do a new P...more >>

I'm sure this is a very easy question: I installed Visual Studio .NET a week ago. I didn't install MSDN Subscriptions Disc 1 at the time. I installed it now. When I click on Help in ..NET, the message says Help is not installed. How do I fix this? Thanks, -- Howard...more >>

Now that I found the Outlook public folder containing an existing calendar, how do I open it ? ************************ Application olApp = new ApplicationClass(); NameSpace olNS = olApp.GetNamespace("MAPI"); MAPIFolder oFolder = olNS.GetDefaultFolder(.OlDefaultFolders.olPublicFoldersAllPu...more >>

Hi... Synposis... Throws exception: "Specified argument was out of the range of valid values." Read on for the juicy tidbits. MySimpleClassCol mscc=new MySimpleClassCol(); private void InitCombo() { // Doing this so bind op doesn't fire event m_combo.S...more >>

Hi I saw an example on the newsgroup where using System.NEt was used to obtain an IP and hostname. Where does one go to get information on what the various classes can do and how a person can use them. Sorry if this seems basic, I'm just starting out and curious obviously....more >>

Hello there, Just a few questions re: worker theads. I have a worker thread that i wish to perform certain task. This worker thread must also handle events. Now my real questions..... What sort of ipc will i use between threads? (i used PostThreadMessage on win32) What sort of run loop...more >>

Hi, I have written a C# library to interop with a C DLL. Everythings worked fine, till I made some small changes (just the name of one variable!!) inside a structure in the C# Library. Now my C DLL keep throwing an error saying that xxx is not a member of 'That_Structure' see the decleration ...more >>

I have created a class which I wish to reuse amongst several projects. But each time I Add the class to a new project, it creates a copy of that class in the folder of the new project. This means that when I make changes to that class, I have to apply the same changes to all the projects. I...more >>

I need to bind my query from the dataGrid to crystal Report... so the report displayed data depand on the datagrid.... I also hv alot of problem in the crystal report.. may i know a good online source to read about crystal report?? ...more >>

HI... I have 2 tables, one for the countries and another for the states, and I make a fk in the states tables that connect it to the countries table. But now I want to make a dropdownlist with the countries, and when the user select the country a listbox will be filled with the states. But ...more >>

PrintDocument pd = new PrintDocument(); Can I put it in "Class1.cs"? If so, how can it become visible within the scope of the function of it's call? Class1.pd.PrintPage += new PrintPageEventHandler(this.pd_PrintPage); Doesn't work. Thanks, Trint ...more >>

Hello, I am developing an application similar to MSN Messenger using C#.Net. I am using the Frameworks' System.Net.Sockets class for creating sockets and then communicating.Everything seems to work fine when there is internet connection, but once the application is started and then if there i...more >>

Hi to all, I have stored in a database some binary files (pdfs, and gif images), i would like to know how could i show it, in internet explorer when a person enters for instance in a textbox the id of the file that want to view.... This is my Sql table... ID int File binary Any in...more >>

How do I access the system colors in asp.net web page. Can I have some guide lines/ some sample code for this. Regards, Kishor ...more >>

Hi, I am new to C#. I hav written a sample application in c#. I want to create an installer for it. Does .net framework provides any utility for doing this? Thanks in advance, Adhiraj...more >>

I've got the below datagrid set-up below and Im trying to get the paging wired up. The correct numbers are coming back based on the amount on pages there should be however the on-click event of each page number isn't working. Does anyone know which event I use and what code I need to add to ac...more >>

Hi, I just want to know will c-omega be included to c# in future,who can tell me? Thank you dai ...more >>