Hi Guys, Ive hit a problem that I just can't find a solution to... Ive created an application that downloads images from a digital camera. The application is written in C# and uses the WIA library to handle the image transfer. Im creating an MSI file using visual studio and including the w...more >>

Hi All, when you chain an event eg tb.Enter+= ; Is it possible to ensure I will get the first bite at the event and also is it possible to refuse access to this event lower down the chain. hope my question makes sense. thank you. ...more >>

i was wondering if there is someone that can tell me how i can use the numbers from 0-9 on the right side of the keyboard to run any exe file. thx in advance for the help...more >>

Hi, I'm looking for a tool that converts VB to C#. I've take a look to a couple, though, they didn't totally conviced me. Any prize/complain about these kind of tools is welcome. ...more >>

I have a Web Service which reads a xml file. If I place it in the same direcectory where source code is how should I then read it without using physical directory adress like "c:\inetpub\wwwroot\mywebservive" or like "c:\xmlfiles\xmlfile". How to get a relative reference to file in C#? Che...more >>

Hi All, I am having a function which can be called from different independent threads simultaneously.Inside this i am having a hashtable.what each thread will do that it will check whether the hashtable contains a particular key if not then it will make an entry in the hashtable with that key o...more >>

I'm converting an application that relies heavily on a binary network protocol. Within this protocol are a lot of byte[] arrays of character data, like: [StructLayout(LayoutKind.Sequential, Pack=1)] public unsafe struct MsgAddEntry { public byte MsgType; public uint T...more >>

I have the following code whose purpose is to take 2 typed datasets (of type DSAccounts ) & remove all elements of one from the other. and return what is left. However I am getting the error message "The given datarow is not in the current DataRowCollection" when the "dtAll.tblAccounts.Row...more >>

I have seen this problem posted all over, but have never ran across a solution.... I am serializing my dataset and they look like this: <NewDataSet> <xs:schema id="NewDataSet" xmlns="" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata"> ...more >>

Hi, I am learning visual C#.Net.I have 2 forms Form1 and Form2. On a command button click i want to call form2. How can i do this.? Thanx from Doller ...more >>

Greetings, I have the following code that attempts to download an excel file: System.Web.HttpContext.Current.Response.ContentType = "application/vnd.ms-excel"; System.Web.HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment; filename=\"x.xls\""); System.Web.HttpCon...more >>

Hello, I'm trying to write an app which will periodically log in to a game website so I can check for changes to some of my player info. The code I've come up with so far is below, and, as you might have guessed, doesn't quite work - what I get back is the raw HTML of the login page, ...more >>

I need to use a form element to display a list of users. I would like to store their ID "behind the scenes" so when the user selects a name the Event passes their ID. I can't find anything about how to set a Name/Value pair of a ComboList. Is this the wrong tool for the job? Or how do ...more >>

Is there any way with the Shockwave object to tell when a SWF file has finished playing? It would be nice if there was an event like in the Media Player that is called when the state changes. TIA - Jeff. ...more >>

I am making a new application in C# (Windows application) and it will require a number of forms. I then started to think that i should use panels and not forms so that i could keep all within one form. This is a solution that might work. I also tested a litte around MDI as an alternativ. Ta...more >>

Hi, Does vs2003 have some sort of distribution capability like vs2005 (ClickOnce)? If not, what's the best way (cheapest too) to create an install packages for a 1.1 app? dh ...more >>

Okay I give...I found several tutorials on how to write formatted RTF to a RichTextBox control. BUT for some reason the box remains blank...nothing. What am I doing wrong here?? richTextBox1.Rtf += @"{\rtf1\ansi\ansicpg1252\deff0\deflang1033{\fonttbl{\f0\fswiss\fcharset0 Arial;}}\view...more >>

I have three classes. One (Class ObjectC) and two other classes (Class1 and Class2) that will hold instances of the ObjectC class. I would like to transfer an instance of OjectC from Class1 into Class2, while making sure that no resource leak occurs. Is the following the best way to hanlde ...more >>

This might be a dumb question but I have searched everywhere...I have a form which uses a custom background color. I have set the control's backgrounds to transparent, which works great. But when i disable the controls, they all have the standard beige Windows background, is there a way to...more >>

I have two List<t>. I need to search ListA to see if it contains ListB So: ListA { 1, 2, 3, 4, 5, 6, 7, 8, 9 } Searching ListA with { 4, 5, 6 } would return true and an index of 3. Searching ListA with { 4, 6, 5 } would return false and or an index of -1. Hope my pseudo coding is clear?...more >>

How can I change object returned from database to a byte array e.g. byte[] b =3D row["FullName"]; also how can I save a byte[] to database row? Thank you, Po --=20 ---------------------------------------------------------------------- This is an unmonitored email account...more >>

Hi Guys, I'm ripping off all of my hair soon ;-) I'm trying to do a very simple C# form accessible from COM client like VBScript. I would like to display the form and update the form during the intepretation of the vbscript. Does anyone know of any good example that could point me to ...more >>

My work for whatever security reasons won't allow me to install SP2 and I was wondering if there was a work around for installing the new VS w/out SP2. Any help would be greatly appreciated! Thank you!...more >>

Is it possible to constrain a generic to be a value or primitive type? (Any kludges/workarounds welcome if the immediate answer is no....)...more >>

I have strings that are being converted that need to be eight characters long. The values are coming in as anywhere between 1 and 8 characters long. I need to pad the strings with zeros to make all IDs 8 characters long: Example Input number Need 1 00000001 121 ...more >>

Is there any effective difference between doing something in the DragDrop event handler and doing it in the OnDragDrop(.) method of a control? I'm coming from a MFC background and am having a hard time comprehending the difference. Thanks for your explanations . . . ...more >>

I want define a base class as: class abc { class cde { } } when I inhert abc class, class ijk : abc { class cde { int io = 5; // Added int xy = 8; // Added } } If it possible, how should I to write this class and inherit class? ab...more >>

As I can determining if string can be turned to a numerico value?, since to contain alfanumeric data it returns an error to me. as I can avoid the following error? String str="123"; int valInt = Convert.ToInt32(str); //OK String str="StringXX" int valInt = Convert.ToInt32(str); //ERROR ...more >>

Hi All, I did use the block of code below to open a notepad, However, I would like to insert some data which I did collect in the runtime into the notepad before it show. How can I do it? Any help is greatly appreciated. Thanks you very much in advance... Kate System.Diagnostics.Pro...more >>

Can some one please explain what this means? 'Cannot widen from target type to primitive type.' Regards Vish ...more >>

Hi All, I have created a folder call Resource within my project, I have added a XML file into the resource folder, and I set the BuildAction property of the XML file to "Embedded Resource". How can I retrieve its content in the runtime? Any help is deeply appreciated. Thanks you very much i...more >>

Hi all, I've been teaching myself C# for a new project at work. I have a bit of a background in c++ and java but never been what you could call a guru. I'm having some strange things happening when I pass a class as a parameter to a Windows Form. Basically, I have a class that has several ...more >>

Hello Need your help, I have a C++ win32 dll which takes xml document type by reference. I need to call this dll from c# .net. I tried using DllImport, but dll funtion when call does not respond. I tried calling similar dll for a function which take integer by refernce. It works ok in this ca...more >>

I have a Windows app I am developing in VS .NET 2005 that is required to periodically look at the data in a table in an MS SQL 2000 database. The data is being changed from an external stored procedure. All I want the app to do is refresh the data bound controls on a timer tick. I am usin...more >>

I already tried posting this yesterday and it didn't post... In a nutshell, I have a semi-functional app that does a few things including searching the entire Active Directory for Groups and putting the values of the CN, Description, and Info fields into a database. The issue that I am experie...more >>

I am wanting to get my MCAD and MCSD certifications and just had a couple questions. I am fairly new to C# and started learning with .NET 2.0 so one of my questions is, are the test covering .NET 2.0 or 1.1? If they cover 1.1 is it very different from 2.0? And will the Microsoft .NET Core Re...more >>

Hi, I am trying to populate a list control that is bound to a data table but the display member needs to come from a different data table. I have two list controls in C#, one displaying available categories and one displaying selected categories. In the database these are represented in two...more >>

I have a C# client application that uses a COM DLL(written in C++) or a webservice (the webservice is the same COM DLL wrapped up as a webservice). The client can dynamically (based on form input) select to use the webservice or the DLL. The front end interface and the implementaion code is the...more >>

I am very new to the language so please pardon my ignorance. I am writing a small console application to gather hardware inventory information. When I run the application locally all works well. It gathers the needed information and writes that info to a remote SQL server. If I put the fi...more >>

Hi, you all surely came along one of the new image managers like picasa or adobe photo elements. im tring to build something very simple and learn some new techniques from this applications. What will be the best way to display picture on form on run time. I thought i can use panel and add pic...more >>

Hi guys, So far I've spent about a week hacking away at this code, and I just can't get it to add an ACE to a the DACL for a network share using WMI. Just to set the scene, I'm trying to add an ACL from machine A (workstation; Saturn) and set it to a UNC path (\\Mercury\Inetpub\Websites\Loc...more >>

Hello Mattias, For your replies to my posting "OFNOTIY Struct from lParam pointer" posted on, Saturday, 7 January 2006 23:10. I very much like to say thank you very much, not only did it help me out considerably but also learnt a lot from your replies. Initially your help was the resoluti...more >>

Hello All, I have created a C# project that sets "Register for COM Interop" to true, and sets the ProgId and Guid attributes for the class. I then use this control inside VB6. This all works correctly on my development machine (oh no, one of those!), creating a DLL and a tlb on each com...more >>

I know that you can do this, I can't find the answer. I try the following code ((company) base).newCompany("ACME", "vendor"); Of course company is the ancestor and newCompany is a public method. The compiler tells me that "use of keyword 'base' not valid in this context" What am I missing...more >>

How can I moitor file which is executed by user or program in window. I need to write a code to monitor file. When user clicks the file(.exe) or is called by program, the name of file will be return to a program. so, excatly, I need to know the name of the executable file that is executed. orig...more >>

Hi, I'm using the Random class to return 5 random numbers which then are added to a string. When I do it in a controls event, such as button_ click, the numbers are random as expected, but when I call the random function as a method of a class, all the numbers are the same for each call to ...more >>

Hi all, my program is trying to add group boxes with radio buttons at run time. While at one point it was able to draw the group boxes without the radio buttons, now it encounters problems just getting the radiobuttons out of the group box. /// area where radio buttons added to groupbox ...more >>

Hi i'm developing a tool to automate the backup operation of my files. and i want to make this tool to be able to write the files to cd/dvd. i don't know how i can do this from c#.so i hope anyone could help.i use ..net 1.1. Thanks in advance ...more >>

Can I load a assembly from memory by Assembly.Load(string) ? ...more >>