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all groups > c# > december 2005 > threads for wednesday december 14

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Dear Santa, My Webbrowser Wish List......
Posted by Jim at 12/14/2005 10:51:17 PM
Dear Santa, While it's true that I haven't been perfect this year, it's definitely an improvement over previous years. All cats still have their own fur, no hidden cat fur in this year's Thanksgiving green bean casserole and not even one kid in the neighborhood has lost a toe this year...more >>

MdiParent to fire event on adding/removing a MdiChild
Posted by MuZZy at 12/14/2005 10:40:43 PM
Hi, I wounder if someone could help me here: app has an MdiParent form - i need to get some notification in form of an event when any MdiChild forms are added to/removed from MdiParent.MdiChildren collection. I have no control over children forms so i peed the parent form to fire this eve...more >>

msn messenger
Posted by Jessica Weiner at 12/14/2005 10:29:58 PM
I want to write a msg messenger client. Is C# suitable for this? ot is C++ better for this? Thanks. Syed ...more >>

Testing for 2.0
Posted by stuart at 12/14/2005 9:59:44 PM
I have a C# app deployed at a number of sites, that automatically downloads updates from a web server overnight, and restarts itself. It's written for .Net 1.1, but I want to switch over to 2.0. As some of the users may not have the 2.0 framework installed, I can't deploy the next version a...more >>

Form Property
Posted by Brett Wickard at 12/14/2005 8:56:27 PM
How do you add a property to a form that will show up in the properties window in the IDE? I can add the property to the form, but haven't been able to see it in the properties window. I'm using the VS2005 if it makes any difference... TIA ...more >>

New vs Override
Posted by methodios at 12/14/2005 8:40:44 PM
Hi Can someone help me straighten out my train of thought... I want to know what actually goes on behind the scene..step by step. Here is the code: ----------------- using System; namespace Test { public class MyBase { public virtual string Meth1() { return "MyBase-Meth1";...more >>

How to load DataTable into XMLDocument?
Posted by Brett Romero at 12/14/2005 8:39:33 PM
I have a DataTable with one column. How can I load that into an XMLDocument object? XMLDocument.Load() or LoadXML() will not take a DataTable. Thanks, Brett ...more >>

Showing forms within a Windows Service
Posted by tman at 12/14/2005 8:19:51 PM
OK so I built this Windows Service which was able to use MessageBox.Show to present text to the user from within the service. I had to use a special property though within that method- which is MessageBoxOptions.ServiceNotification. Now I'd like to create a custom form and have the service sho...more >>



web browser control "form action"
Posted by asianboi at 12/14/2005 8:03:07 PM
Hi, In my application, I have a web browser control and load up a local html page. Within the html page, the following code exists. However, when I click on the button that invokes the 'form action', nothing happens. I'd like the event to spawn a new browser window. Is there an event I sh...more >>

C# Excel file can't be opened normally
Posted by Jason Huang at 12/14/2005 7:22:14 PM
Hi, My C# Windows Form application has a form frmExcel which will write data to an Excel 2000 file MyExcel.xls. But if the application is still runnig then the MyExcel.xls can not be opened normally. The MS Excel 2000 will be opened, but there's no WorkBook(or WorkSheet) inside the Excel,...more >>

DLLs and performance gain/penalty?
Posted by Marty at 12/14/2005 7:18:14 PM
Hi, I would like to know about DLL and performance gain/penalty in an application. Let's say that I have a very big application and for component portability and easy maintenance, we fragmented the application in a numerous number of sub projects compiled as DLLs. So those sub project a...more >>

own executalbe path
Posted by Marcel at 12/14/2005 6:43:07 PM
in c++ int main(int argc,char** argv) the first argument is the own executable path how can I can the same info in a c# program? marcel...more >>

event handling
Posted by Ankit Aneja at 12/14/2005 6:20:14 PM
i am using com dll in my project which fires up event code in vb is like this Option Explicit Dim WithEvents p As CLAMXLib.ClamEngine Dim mresult As ClamResult Private Sub p_OnScanComplete(ByVal result As CLAMXLib.IClamResult) Set mresult = result End Sub in c# CLAMXLib.Clam...more >>

how to run dtsrun in c# console application
Posted by TaeHo Yoo at 12/14/2005 5:46:35 PM
Hi all, to run a DTS package you run dtsrun in the command prompt. It worked fine. But how to run dtsrun in c# console application? Thanks a lot *** Sent via Developersdex http://www.developersdex.com ***...more >>

More adventures in learning OOP
Posted by RSH at 12/14/2005 5:44:26 PM
I am exploring OOP and I am trying to get a grasp on the basics. Below is the code that creates a basic Person with basic properties. I also have an Orders Class where Orders are made by Persons. I am having trouble figuring out how to "connect" the two so that when a new Order is creat...more >>

Scroll problem in listbox
Posted by John
Hi, I'm currently working on a simple project (for study on C#) with an input (maskedtextbox) and a listbox. The input numbers are send in the listbox. When the listbox is filled with numbers it automaticly puts the scrollbar in the listbox, thats fine but it doesn't scroll down to the last ...more >>

Obtaining hWnd from a form - how ?
Posted by Susan Baker at 12/14/2005 5:17:21 PM
I need to pass the handle of my window (WinForm in C#) to a C library. The WinForm does not apear to expose this property - how may I access it ? MTIA ...more >>

System.Collections.Hashtable serializable to xml
Posted by Ivan at 12/14/2005 5:14:30 PM
is it possible to make a universal hashtable that would be able to serialize itself to xml format? universal one, meaning I don't have to know about the type of keys and values in advance. Ivan...more >>

Form.Size when Minimized
Posted by vooose at 12/14/2005 4:37:35 PM
Consider a Form with dimension Size=(300,300) that is then minimized. Subsequent calls to Size return (160,24). The Form is then restored and Size returns (300,300) Is there any property or method that returns the size of the form when restored? (so you can obtain the "real" size of the For...more >>

SID (Security ID)
Posted by UJ at 12/14/2005 4:09:47 PM
My network engineer has said there is a system SID that you can get that is unique to each computer on a network. Does anybody know where this is stored or how to get it? I looked through regedit and there are lots and lots of SID so I don't know which one is the correct one. What's I'm loo...more >>

Why doesn't DataGridTableStyle work?
Posted by Brett Romero at 12/14/2005 4:03:05 PM
I can't find what exactly I'm doing wrong that the following DataGridTableStyle is not working on my table. The result set returns 21 columns. I'm only formatting 5 via the TableStyle. I thought maybe the problem was I had more columns being put into the DataGrid than I was formatting. I the...more >>

type conversion issue.
Posted by Ashish at 12/14/2005 3:30:37 PM
its on .net 2.0 I am calling a stored procedure which returns value SCOPE_INDENTITY() , when i try to convert the result from object to int, it throws a type conversion error... after some hit and trials i figured out that the returned type is actually decimal .., hence int i = (int)...more >>

Adjust how "tabs" are displayed in a text box
Posted by Benny Raymond at 12/14/2005 3:09:38 PM
Is there any way to adjust how tabs are displayed in a text box? Right now i'm just planning on catching the KeyPress and putting 3 spaces in instead of a tab - seems kind of bootleg, what's a better way of doing this? ~benny...more >>

Attribute outside Class Definition .cs file
Posted by reviswami78 NO[at]SPAM yahoo.com at 12/14/2005 3:07:38 PM
Hi : I wanted to know if the following is possible in C# ( .NET Framework 1.x): I want to add an attribute to a class in a separate file i.e. in a file other than which the class itself is declared/defined. So: //File A.cs ///////// [TypeConverter(typeof(DateConverter))] public class D...more >>

Sys tray
Posted by Dalibor Savanovic at 12/14/2005 2:49:03 PM
How to put app po "sleep" in system tray (place with system clock)? Thanks, Dalibor ...more >>

VERY upset with VS backordered
Posted by Rene at 12/14/2005 1:38:58 PM
I have been waiting almost a month for my Visual Studio 2005 Professional to be shipped. After calling Microsoft, I was informed that they have not shipped any orders yet for the Professional version (in the US), even if you ordered on or before November 7 (supposed launch date). That's 1 mont...more >>

Validation and Undo
Posted by John Richardson at 12/14/2005 1:28:51 PM
General question about how WinForms handles undoing a change during a control's validation, if it does at all. After a change to a control's value, if the data is determined to be invalid, then in the control's Validating event handler, setting e.Cancel = true will prevent the offending contr...more >>

Encryption for a log and Unicode Characters...? Yikes!
Posted by RobKinney1 at 12/14/2005 12:41:56 PM
Hello everyone... This may sound really stupid, but it is something I have been working on all day and haven't found a solution yet. If you go into Notepad and try the keystroke ALT+4, you get a nice little diamond. Infact, you can do this all the way up to 127 showing different characters...more >>

Public Access To TypeSafe resources
Posted by Davo at 12/14/2005 12:26:52 PM
I wish to setup a resource that holds CONSTANT values. The resource file is call LogCat.resx (Logger Categories) and contains Debug, Info, Error etc... This resource is located in a resource only assembly and uses the custom tool SettingsSingleFileGenerator to generate a typesafe class. The...more >>

Dynamiclly Determine Type of Parameter and Type Cast it (code insi
Posted by Lenn at 12/14/2005 12:25:46 PM
Hello, Here's a little background. I have a function that calls a method of another assembly (COM Interop) dynamically through Reflection. It gets method name and array of values and calls .InvokeMember to get results. Everything worked fine until parameters types of Boolean and DateTime ap...more >>

WindowState
Posted by Pohihihi at 12/14/2005 12:24:50 PM
I have tried putting the following line in almost every possible place but it does not work. this.WindowState = FormWindowState.Maximized; This just do not work. How to maximize form window if this is not the right way to do. ...more >>

Optional parameters in a procedure.
Posted by UJ at 12/14/2005 12:00:07 PM
How do you make parameters optional in a procedure. I know I can have multiple definitions but it would be nice if there was a way I could have the single declaration. I thought there was a way to do that. TIA - Jeff. ...more >>

Simple Qs: PInvoke C++ DLL Name & Version Info to C# Application
Posted by Mark Jerde at 12/14/2005 11:54:38 AM
Hello. I don't need full details, just a recommendation from experts. I wrote a lot of Pre-ANSI K&R C programs but I'm not a C++ expert. The volume of C++ info available is daunting... <g> I am working on a project where a C# GUI program uses a number of non-.NET C++ DLLs. PInvoke is w...more >>

Utility to make C# code look pretty
Posted by Ed Debrot at 12/14/2005 11:35:45 AM
Nothing drives me crazier than having to look at someone's code where the indentation is sloppy. Some lines are indented 2 spaces, others 10 spaces. Sometimes there's 10 blank lines between lines of code, others times there's none. Sometimes there are spaces around boolean operators, sometimes ...more >>

This is just plain stupid.
Posted by Mike Labosh at 12/14/2005 11:19:58 AM
I can say this: int commandTimeout = Convert.ToInt32(ConfigurationSettings.AppSettings["commandTimeout"]); but I can't say this: int commandTimeout = (int)ConfigurationSettings.AppSettings["commandTimeout"]; Or maybe my VB background has caused brain damage, where I can do this: Dim...more >>

problem with textbox
Posted by melanieab at 12/14/2005 11:09:19 AM
Hi again, I have a textbox where the text is longer than the textbox width. When I type something in there or even do any single keystroke (other than tab, up, down, or enter) and then leave, the beginning of the string shows, and focus goes on to the next box. But if I just tab through or w...more >>

CodeDom question for .net 2.0
Posted by Ashish at 12/14/2005 11:08:00 AM
I am using the CodeDom namespace for generating classes, and would really like to be able to use the CodeRegionDirective class to generate regions around code blocks. The only problem is that is looks like i can generate regions around a single method or a single statement (using StartDirec...more >>

Structure as object property
Posted by JSheble at 12/14/2005 10:49:50 AM
Are there any reasons why I shouldn't or couldn't use a structure as a property in a class? Specifically since structures are value types and objects are reference types? I have a Shipping object that has 4 different types of addresses. Initially, I created 4 instances of an Address ob...more >>

inheriting with static methods and type passing, recommendation?
Posted by MSDNAndi at 12/14/2005 10:41:07 AM
Hi, I have a baseclass (non-static) with some static and some non-static methods/fields/properties. In the baseclass in one of the static methods I need to do something like " somelogic .... CallToStaticMethod(); .... somelogic " The problem is, that I need to be able to change Cal...more >>

xor question
Posted by Susan at 12/14/2005 10:33:37 AM
I have a stream of chars where I am trying to xor certain parts. I guess the meat of my question is that if I xor the hex values: 476f ^ 7262 I get a different value that if I xor the integer values: 71111 ^ 114098 Does anyone know why? I'm assuming that I can't just use the hex values for x...more >>

Selecting all the items in a ListView
Posted by Mark Rae at 12/14/2005 10:30:04 AM
Hi, I have a bog-standard ListView control in a v1.1 C# WinForms project, with three colums, Details View. There is "Select All" button under the ListView control with the following code: foreach(ListViewItem lvi in lvBackupFiles.Items) { lvi.Selected = true; } This r...more >>

Problem running a scheduled service
Posted by Michael Groeger at 12/14/2005 10:10:37 AM
Hi NG, I have written a service which should start at certain time in the morning and stop at a certain time in the evening. For this, I added the following to the Main() method of the service: public void Main(string[] args) { // [...] if (args.Length == 1) { if (ar...more >>

Scolling text.
Posted by UJ at 12/14/2005 10:03:52 AM
I need to display data in a scrolling area much like HTML's marque (one scrolling left and one scrolling up). Is there an object that will do that for me in a C#/Windows app or do I need to load a browser window and then use an HTML file to do it. TIA - Jeff. ...more >>

Static Form, that work like MessageBox?
Posted by Bry at 12/14/2005 10:02:49 AM
Is it possible to produce a Windows Dialog form that can be used like MessageBox.ShowDialog(), but returns a custom object type e.g. myObject = MyForm.ShowDialog(); rather than // This method doesn't return the object either and ShowDialog can't be // overriden to make it behave like t...more >>

How C# Regex to express "IDENTIFIER = ON/OFF"
Posted by James at 12/14/2005 9:45:48 AM
User has a input as "SwitchName = ON" or "SwitchName = OFF", how to use C# Regex to get SwitchName and the value? Regex.Match(line, @"(\S+) = {ON|OFF}") does not work. ...more >>

Very odd beahvior of web application
Posted by Mike Schilling at 12/14/2005 9:28:02 AM
We have a C# application running under ASP.NET. It wasn't written using any VS.NET magic; all of the call the System.Web are made explicitly. It uses ..NET 1.1; no other version of the framework is present on the machine. There are two web.config files: the one at the top level specifies an ...more >>

How to readfile in a stream array
Posted by Sebastiaan at 12/14/2005 9:14:09 AM
Hi !! Could some one perhaps give me a bit more info on reading the data in a stream? We use readfile at the moment to get the data from a buffer from the port. Would it be better to use a BinaryReader in some kind of way? And how??? Regards, Sebastiaan ...more >>

C# Windows Form and client's operating system
Posted by Jason Huang at 12/14/2005 8:49:13 AM
Hi, I am wondering in my C# Windows Form, how do I know the client PC's operating system? Thanks for help. Jason ...more >>

N-Tier Application - Question about Static Methods
Posted by dn at 12/14/2005 8:07:38 AM
I'm starting an n-tier application with an ASP.NET 2.0 presentation layer, a business layer, a data access layer, and a SQL Server 2005 database, and I have a question. In the business and data access layers, should I use static methods? Or, should I code the classes so that they have to be i...more >>

how to start a thread with in-place function?
Posted by parsifal at 12/14/2005 7:46:47 AM
In Java I can start a thread and write the function in-place. So, you could do, in pseudocode: def someFunc: thread.new( def summit: doSomeStuff() ) How can I do that in C#? ...more >>

XmlTextWriter Probelm to create a new document
Posted by Point.Cube NO[at]SPAM gmail.com at 12/14/2005 7:45:27 AM
Here is my code, but the problem is I want to recreate a new file but at the and I find that the program add the new element the old ones!! **************************************** System.IO.File.Delete( mXmlFile); System.Xml.XmlTextWriter XmlWtr = new System.Xml.XmlTextWriter( mXmlFile, null...more >>

How to get the "Windows" directory?
Posted by parsifal at 12/14/2005 7:15:20 AM
Hi, I'm wondering how you can use the standard C# library to get the "windows" directory? (e.g. "c:/windows"). I need to specify the location of a config file in a service, and I don't want to hard-code anything. Thanks. ...more >>

C# 2.0/VS2005 inheritance reference problem
Posted by MSDNAndi at 12/14/2005 6:50:02 AM
Hi, I have the following problem with VS 2005 (Professional) and C# 2.0 I will use assembly and namespace synonymously here. I have a class in namespace InheritClass inherit from a baseclass in namespace BaseClass. Then I have a class in namespace InheritClassUser that uses the class in ...more >>

OpenFileDialog Problem
Posted by bartmanson at 12/14/2005 6:50:02 AM
Hi everybody, this is my first post to this newsgroup. I have a problem with OpenFileDialog. I programmed a windows form that has a button that opens a OpenFileDialog. If a user chooses a file and presses the OpenFileDialogs "Open" button, the chosen file will be added to a list box. If ...more >>

Delegate question
Posted by ^MisterJingo^ at 12/14/2005 5:01:13 AM
Hi all, I've been trying to get my head around delegates. The book i'm using had a single example, not much explaination, and didn't show how to set up a delegate and pass variables in and out of the functions it refers to. So I've been playing around and came up with he following code. I kn...more >>

Differences between these cast operations / statements?
Posted by toebens at 12/14/2005 3:53:02 AM
Hi, i read this http://msdn.microsoft.com/chats/transcripts/vstudio/05_0811_dn_csharp.aspx : Cyrusn_MS (Expert): Q: please explain the difference 1: Convert.ToInt32(o) 2: (int)o 3: o as int32 A: Rk: It all depends on what o's type is. Convert.ToInt32 will convert a lot o standard framew...more >>

DATASET SET NULL to GUID Field
Posted by mPiccoli at 12/14/2005 3:36:02 AM
how I can a Guid field on Null setting (DATASET)...more >>

Impersonation for accessing network resources?
Posted by Ben Fidge at 12/14/2005 3:20:02 AM
Hi I have a small WinForms app that needs to copy files from a shared drive on a network. If I connect to the mapped drive using Explorer, a password dialog pops-up and I have to provide credentials with permission to access this resource on the machine where it's hosted. This is once for e...more >>

PrintPreviewDialog trouble
Posted by jacopomeucci NO[at]SPAM libero.it at 12/14/2005 3:17:04 AM
hi all. I've a problem with PrintPreviewDialog in c#. I've done a form with a ListViewControl and i tried to print the data contents in this listview. I've read the ListViewControl via a WHILE cicle and i've done document then i've send it to the PrintPreviewDialog...end it seems to be ...more >>

Runtime Object creation
Posted by Tim at 12/14/2005 3:05:02 AM
When the Application is started, it has to read a config file. The config file gives details of the objects that need to be created. Based on the info from the config file, the objects need to be instantiated at run time and its methods have to be invoked. How do I do this? Is reflection t...more >>

getstockobject
Posted by yogi at 12/14/2005 2:37:52 AM
hi all, i m developing an application on compact framework using c# in which i need to use getstockobject pinvoke for which i need to get the constant values for NULL_BRUSH,HOLLOW_BRUSH used as a parameter in getstockobject call. [DllImport("coredll",SetLastError=true)] public static exte...more >>

Need a Close Watcher of Files
Posted by viper at 12/14/2005 2:26:08 AM
C# has a good class FileSystemWatcher. But how can I manage to collect data such as 1. If the file is copied / moved / cut - pasted / dragged - copied to other location - need to know the location also where moved 2. Emailed to others - if emailed then "by who to whom" 3. IF NEEDED I will be ...more >>

SendKeys in ProcessCmdKey: change Shift-Space to just a Space
Posted by John Richardson at 12/14/2005 2:14:55 AM
I'm trying to override the SHIFT-SPACE "negative feature" in the Winforms datagrid, to only be a space. The following link describes this: http://www.dotnet247.com/247reference/msgs/52/262224.aspx In this procedure, MS suggested to use SendKeys.Send(" "), but I am finding that this locks ...more >>

Custom buttons in toolbar
Posted by mookid8000 NO[at]SPAM gmail.com at 12/14/2005 2:12:08 AM
Hello again, group! Can someone tell me a nice way to include a zoom percentage combobox in a toolbar? My first try was a workaround, where I inserted a bunch of separators where I wanted the combobox to be, and then painted the combobox on top. I'm just thinking, there must be a better ...more >>

repost - Reflection and Inheritance
Posted by John Richardson at 12/14/2005 2:07:00 AM
My original posting (Dec 12, this group) is copied below, but it boils down to a simple question first: does an inherited class prevent certain internal properties (inherited from an ancestor class) from being visible to GetType().GetMethod()? And can I call GetMethod from the context of the...more >>

How to validate the URL ?
Posted by Prakash at 12/14/2005 2:03:33 AM
Hi Friends, I am developing application based on .net Remoting. In my client application i have accessed the remote object by Activator.GetObject function. In this GetObject function, i have passed the second argument as URL, like "tcp://localhost:8384/Container". From my client program how c...more >>

Interop - Object Lifetime
Posted by Tim at 12/14/2005 1:57:03 AM
I have a class called Manager. In the 'Initialize' method of the Manager class, I create an instance of a COM class (say oComObject). What is the lifetime of oComObject. Will it be available as long as the 'Manager' object is in memory? Is there any difference in object lifetime with and w...more >>

Birthday generated by ID number
Posted by Wolf at 12/14/2005 1:56:57 AM
Hi I want to split a IDNumber to determine the date of birth.Something like this. DateTime dtBirth split txtIdNumber in yy mm dd Assume the idnumber = 8210195017089 dtBirth.NewDate(82, 10, 19) txtBirthdate.text = dtBirth Can anyone help me please Thanks in Advance ...more >>

win form state
Posted by Pohihihi at 12/14/2005 1:44:42 AM
Why FromWindowState still shows maximized even after the size is changed to something normal? Is there a way to find the true WindowState of a form? ...more >>

Http server - Header problem
Posted by antimon NO[at]SPAM gmail.com at 12/14/2005 1:41:56 AM
Hi, I need to have a simple http server in one of my applications. It's just for a little text data so i wanted to write my own. So i have a listener on port 80 and i'm using async methods to receive / send data. My problem is, i found lots of sample web server applications, all of them just ca...more >>

Java - C# datatype problem
Posted by GeRmIc at 12/14/2005 1:15:03 AM
Hi, I am writing a C# client to consume a Java web service. The web service returns a vector how do i consume that in C#? I am writing a C# web application....more >>

Hooking Webbrowser events?
Posted by Jim at 12/14/2005 1:13:00 AM
I'd like to hook events (like when a user clicks or right-clicks on a link in a web page) to launch a download manager or to open a new window for the link, but I am finding it difficult to find sources on how this can be done using VB.Net. Have you seen any examples such as this? I am u...more >>

Event framework
Posted by veziak NO[at]SPAM yahoo.com at 12/14/2005 12:15:44 AM
Dear colleagues, we have encountered some problems. there are some types of events in our system: business objects events, events that fire on time, on some conditions, and on user input. so we need some framework or library which includes persistent events and scheduling any ideas are welcome...more >>

request.GetResponse()
Posted by Josema at 12/14/2005 12:13:01 AM
Hi to all, I have a program that list broken links into a web site... The program works in the majority of the times, but in some urls, i dont know why, but the request.GetResponse (all the html of the page) that i get using the program is different than if i use the internet explorer......more >>


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