Does anyone know if there are any ramifications of using crtdll.dll from within the framework? [System.Runtime.InteropServices.DllImport("crtdll.dll")] extern public static IntPtr malloc(Int32 size_t); and simmilar will work fine; looking at the source of CLR itself: ILNativeInt _IL_Mars...more >>

I know this has come up a couple of times on the group, but I'm still having trouble with it. I'm fine with creating the delegate and CopyFileEx declarations and the function which gets delegated to. The problem I have is the actual updating of the progress bar. I can understand passing ...more >>

Hi, I have a binary file that I'm currently reading byte by byte using code similiar to: string FileName = @"c:\myFile.dat"; FileStream fs = new FileStream(FileName, FileMode.Open, FileAccess.Read); BinaryReader r = new BinaryReader(fs); Header = r.ReadInt32(); //file header...more >>

hi i have a combobox which has some values loaded in it like (eg) a b c d i want to retrieve the value from the database (a, or b or c or d) and then select that item in the combo according ly foreach (DataRow dr in recs) { cmbType.SelectedText = dr["description"].ToString(); //...more >>

Hi all, I am working on a project which checks for windows login and its rights and then opens up the rest of the forms according to the login and the rights already set in the windows. I just know that this can be done using Active Directory Class can anyone who has worked on it give me we...more >>

Hello, What's the easiest way to convert List -> Array in c#? Say for example the same thing like in Java: List list = new ArrayList(); Item[] items = (Item[]) list.toArray(new Item[list.size()]); Is there a way to do this? Thanks heaps, /m ...more >>

Dear All, I am new to C# and looking for some good books for a start. I have been working on Windows Platform for several years and have extensive experience in C++ and COM. I decide to shift to .Net from now. Regards, Johnny Xia. ...more >>

I have encountered what appears to be a bug in String.ToCharArray, and so far I have not found any mention or discussion about it. I am interested to know if anyone else is encountering this problem. I am using .NET framework 1.1, and Visual Studio 2003. I can reproduce the problem with...more >>

I hav been looking for the last 2 hours on how to do this without much luck. Im going to give a simplifed model of the problem i have. I want a collection class that can holds a series or objects, for arguments sake, lets make these fruit : apple orange bannana in my application i hav...more >>

Hi, Does any know where I could find a Regular Expression pattern that will parse a csv file? The file may contain fields with embedded commas as well as embedded quotes. If someone could point me into the right direction in would be great. Robbie ...more >>

Hi, Unlike Java, there is no Checked Exception in C#. Is there any work around for this. For example, I am declaring an interface and inside this interface I have a function and I would like to force this function to throw an exception in the implementation. public interface IMyInterfac...more >>

Hi, Should be simple, but I can't seem to get a handle on it. I've over-ridden the == operator in my class. public static bool operator==(XrayImage lhs, XrayImage rhs) { return ( (lhs.name == rhs.name) && (lhs.imageTimeDateStamp == rhs.imageTimeDateStamp) ); } but now I can't com...more >>

Hi, How to specify the timeout value(ms) for a thread? Thanks. ...more >>

Hello C#, I am trying to create an MDI app in C# (Windows Application). I have a "container" window. I would like to add more than one child window to the container (2 for starters). I would like to display one child first, and when user clicks button of child1, child1 disappears, and ...more >>

Hello, I am trying to write a class that will expose some properties. One of the property is extracted from a SQL database and can be NULL or some integer value. Is there a elegant way of implementing this in C# ? I do not want to use variant (or similar types) because I want to retain ...more >>

Hi All, I want to run a command line appplication from C#. When i start the application, it will go into specific mode. After that, i have to give commands to use the application. How Can This Be Done in C#.... Thanks and Regards, S.Madhanmohan ...more >>

I cannot get my UserControl's browsable properties to show up in the designer properties panel. I have [ Browsable(true), Category("TEST"), Description("This is a test") ] then public virtual bool TestProp { {get return testProp; } set { testProp = value; } } but it doesn't show up in the d...more >>

I am having problems with my C# project. The project was built using VS.net (original release with service pack 1). The project includes windows forms and a DLL (dot.net) After getting the application working, everything compiled and was troubleshooted. Ready for delivery, the owner decided...more >>

All, I need to construct, send, receive, and unpack a DIME package from a C# client talking to an ASP .NET/C# Web Service. Three questions, question #2 I'm absolutely clueless on and so I could really use a snippet or a link to an MSDN article for #2: 1) I've got an MSDN article that ...more >>

Wel, I am rebuilding the VC# 2002 project that I have deployment problems with the 2003 version, hoping this solves the problems, but now I encounter this wierd bug??? If I have the project, and do not compile with "Allow Unsafe Code Blocks=false" set to true, then the project compiles and no ...more >>

Greetings, I apologize for the cross post I posted previously to .Net Framework with no replies... I have an application server that potentially will service all enterprise applications from the context of business components.. The components that will run on this machine in some circumstance...more >>

Hi, wich way can I escape a string sent to an OleDbComman containing single quote? Thanks Dominique ...more >>

Friends, I need to change the default printer from code, with no user iterativity. Any sample code? suggestion? C#,VB, nevermind!. Thanks Pablo...more >>

Is string builder intelligent enough to handle concats without behaving like string? Consider myStringBuilder.Append("one" + "two") what does the '+' do here? Because this syntax is also legal but what is the cost compared to myStringBuilder.Append("one"); myStringBuilder.Append("two"); ...more >>

I have a panel on my form and add controls (e.g. TextBox) into it at runtime. What I want is the controls will display on same line if they are visiable in the panel horizontally. If any of the controls outside panel, it will be displayed to next line. Is there any property I can set ...more >>

Hey guys, Heres something I used to do very commonly in java, and I'm having a hard time coming up with a good paradigm for how to manage this in c#. In Java, to show data on a grid, you need to extend AbstractTableModel, and simply define three methods: object getValueAt(int i, int j); int...more >>

Is it possible to write a .NET service that could also be run as a user application? This might be something along the lines of defining multiple entry points, to be used based on how the program is executed. I would like to do this without creating a DLL for all the program code, and two exe...more >>

With the Thread.AllocateNamedDataSlot("aVarName") it is possible to create a slot that only a thread can access. A child thread cannot. Is there a way to create a data variable that ANY thread of the main process (whether a referenced dll or code in the main program) can read and write to? --...more >>

What I want to do is write a program that reads through a Word Document, finds certain words or sentences I want, and then paste into an Excel spreadsheet. I dont know much about C#. But I learned how to use those COM Interop things. And Im able to write code that allows me to open exis...more >>

I have loaded a combobox with two columns, ReportName and ReportParameterForm. The ReportName is shown and the other is the ValueMember. How do I get the value in the selected ValueMember?...more >>

Hello, I'm using Visual Studio .Net Enterprise Architect 2003. Is there a way/add in that is freely available to atutomatically reformat source code (C#)? Thanks heaps, /m ...more >>

Hello all, I'm trying to capture the column and row of the datagrid cell clicked. I'm have problems figuring this out. I think it is simple but eludes me. I have a datagrid and a MouseDown event... private void dataGrid1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { Dat...more >>

If you allow a user ro resize the screen, how can you make the controls resize annd maintain their position on the screen ...more >>

hello everybody, I have to invoke a function defined in a c dll from a c# program, but I don't know the dll name at compile time. How do I declare and invoke this function using LoadLibrary and GetProcAddress (GetProcAddress returns a function pointer!) ? Any idea ? Any code example ? Thank...more >>

Does anyone know if there is an .Net API which allows me to find an available UDP port for binding? Thanks Pawan ...more >>

Hi, Can I use C# to write Server components that has to run in Unix server ? TIA, Gary ...more >>

Hi, I'd like to write a simple COM Automation Server in C# but couldn't find a matching project. I want to have the IDE maintain the IDL and the REG file automatically. Which project should I use to achieve this? TIA, Axel ...more >>

Hi , I want to sent an Email out of an C# Programm. I am using this code : private void button3_Click(object sender, System.EventArgs e) { MailMessage myMail = new MailMessage(); myMail.From = "Torben"; myMail.To = "pkant@isc-greiner.de" ; myMail.Subject = "HALLO" ; myMail...more >>

How to wrap the following function using PInvole- VARIANT _stdcall retVariantArray(void) { COleSafeArray saRet; DWORD numElements[] = {10, 10}; // 10x10 // Create the safe-array... saRet.Create(VT_R8, 2, numElements); // Initialize it with values... long index[2]; for(index[0]=0; index...more >>

Hi, I need to asynchronously read from a network (TCP) stream, and I am having trouble with retrieving whole blocks; I get a break in the data block every 1460 bytes which relates to network packet sizes I guess. To get this fixed, I am trying to follow an example in the MSDN, which pretty ...more >>

I am starting a process setting UseShellExecute to false and RedirectStardardOutput to true so that I can use StandardOutput.ReadToEnd to get the "screen" output of a command line program. When I do this the WindowStyle property seems to be ignored and is always "normal". Is this the correct beh...more >>

I'll guess this has been addressed many times, but my finding skills (Google Groups, etc) seem to have failed me (not unheard of). Using VS.NET 2003 Pro, I have a multi file project consisting of several class definitions, each in its own file) from which I wish to instantiate objects and test t...more >>

I need to use a class that is a collection of objects where I can do a comparing operation like this: col = new FastCollectionClass(); bool b = col.IsThisItemAlreadyInTheCollection(obj); Where the function to see if an object is already in the collection is fast. I was thinking of using a H...more >>

How can controls on a Windows Form be accessed (or referenced) from another Class? I know how to do it from another Form. The following doesn't work even though the Control Modifiers property is set to "Public": frmMain.myControl Thanks. Michael ...more >>

Hi. I am starting a new project with C#. I am searching for "good" coding conventions. I know that there are some coding conventions from microsoft, (but they are very extensive and not clear). In the example programs of Microsoft they use different coding conventions: private members sometim...more >>

Folks, i need to send to the printer, an html document. How can i do this from winfroms?? thanks Pablo...more >>

This one is driving me nuts. I have a Windows application and a windows control library contained in the same project. In the controll library I have a control derrived from System.Windows.Forms.Button :- public class neatBtn : System.Windows.Forms.Button I am using neatBtn on the fo...more >>

Hello, Thanks for reviewing my question. I am starting to use C# and would like to know if .NET and C# support Smart Card development? In C#, is it as easy as this: using SmartCards; Peter...more >>

Hello, I have a list of product categories and each category may or may not have children and it goes down in a varying level of depth. Now I have to pull this category information for navigation, I was thinking of store the ID#'s and category names as well as parent ID's but actually using a...more >>

Hi Im using the generic constructs provided by the Gyro installation. I want to create an object of a generic class parameter, my code goes something like this: class Node<T> where T : Node<T> { .... T temp = new T(); <- Error .... } class City : Node<City> { .... } This isn't...more >>

Is there an inbuilt circular shift operator in c#? I've googled it but because c# happens to be musical note.. i get a large noise to signal ratio :P Simon....more >>

does this forum have an archive of old posts ? ...more >>