all groups > c# > march 2008 > threads for sunday march 9
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SplitterDistance has changed in OnFormClosing
Posted by Andrus at 3/9/2008 10:15:39 PM
I have .NET 3.5 WinForms application. This contains form with
horizontal SplitContainer.
I set SplitterDistance to 30 in OnLoad()
However its value is 41 on OnFormClosing().
I want to obtain original value (30) for restore.
Any idea why value is changing automatically and how to get real va... more >>
var for locals
Posted by Peter Morris at 3/9/2008 9:41:12 PM
var myObj = new MyClass();
What is the purpose of using "var" instead of "MyClass"?
... more >>
DllIport and char**
Posted by news.broadpark.no at 3/9/2008 6:50:31 PM
I have a problem interfacing a DLL written in Ada. In C++ I do as follows:
typedef void(*pfGetItems)( char** ppsc, int num );
.....
pfGetItems GetItems = (pfGetItems)::GetProcAddress(hModule, "GetItems");
next I create the char array:
char** pszBuf=new char*[num];
for (int i=0; i... more >>
Select a node after its created
Posted by John Rogers at 3/9/2008 6:48:59 PM
How do you keep the selection on a newly created treenode?
After I hit enter, the selection always go back to the first root
node.
TIA
... more >>
about using property
Posted by Tony Johansson at 3/9/2008 6:32:22 PM
Hello!
Below is a definition of a struct called Second.
Now to my question as you can see this struct has field called value.
The struct has a property connected to this field called Value which is a
getter.
For example when I want to read this value field from within a member in the
str... more >>
Making Definitions
Posted by Devon-S at 3/9/2008 4:50:01 PM
Greetings,
I am trying to make a definition like FormView.Insert. I have figured out
how to make an eNum, but they seem to be attached to a subclass in VS2005.
I have a class that displays three images of three size and I am hoping to
make an ImageSize.Small, ImageSize.Medium, ImageSize.R... more >>
Event handling
Posted by tshad at 3/9/2008 4:17:44 PM
I have a sample program here that has one event with 2 different event
handlers (onButtonAction and onButtonAction2).
I had defined the event as:
public event ButtonEventHandler ButtonClick;
where ButtonEventHandler is a delegate type with 2 parameters: one is an
object and the othe... more >>
Events
Posted by tshad at 3/9/2008 3:52:42 PM
I was looking at events and have the following code:
***************************************************8
using System;
//declaring the event handler delegate
delegate void ButtonEventHandler(object source, int clickCount);
class Button
{
//Event Handler function
public void on... more >>
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DbConnection, DbDataReader and DbCommand
Posted by Jelle de Jong at 3/9/2008 3:52:28 PM
Hi all,
I have a datasource and I want to connect to it like ADO.Net and build my
own DbConnection and stuff. But I don't want to build my own SQL-parser.
Does someone have a good idea to use SQL and implement it with my own
DataReader? Or are there some good tutorials to build your own ADO... more >>
When Do You Need To Implement "GetHashCode?"
Posted by Dad at 3/9/2008 2:48:58 PM
Hi,
A number of interfaces, e.g., IEqualityComparer, include GetHashCode.
When does it need to be implemented? I usually just return 0 or 1.
Thanks,
Gary
... more >>
Define operator == and !=
Posted by Tony Johansson at 3/9/2008 12:53:03 PM
Hello!
If I define operator == and != is then nessesary to override method Equals
and GetHashCode that is inherited from
System.Object ?
If yes will Equals have the same functionalitty as operator == ?
So can I then just restrict the functionality to one method and just call
this metho... more >>
Why Linq-SQL generated code implements INotifyPropertyChanging
Posted by Andrus at 3/9/2008 12:15:17 PM
I noticed that sqlmetal generated code in northwind.designer.cs implements
two interfaces:
public partial class Customer : INotifyPropertyChanging,
INotifyPropertyChanged {
public string CustomerID {
set {
....
this.SendPropertyChanging();
this._CustomerID = value;
... more >>
window question
Posted by Analizer1 at 3/9/2008 12:11:32 PM
how to catch the event when a user clicks
the system menu [x] to close a window
is FormClosed and FormCloseing the correct Events
thanks
... more >>
Access images subfolder of application root from exe in bin folder
Posted by Phil Johnson at 3/9/2008 12:09:03 PM
I have an exe that runs in the bin folder of the installed application root
folder.
I need to load some images dynamically which are in a folder called 'images'
in a sub folder of the root folder.
How can I access this folder at runtime from my exe running in the bin folder?
Thanks.
... more >>
Load SQL Server db when application starts
Posted by Phil Johnson at 3/9/2008 12:03:00 PM
I have a C# app using a SQL Server db which is attached to my SQL Server,
when I deploy though I want the app to lift (or load) the SQL Server at
runtime so the user does not have to attach to the mdf file, I can just
include it in my application folder and it will load when the application
... more >>
How can I access application settings?
Posted by Phil Johnson at 3/9/2008 11:54:02 AM
Hi, I have right clicked my project in VS2008 and added a DB Connection
application setting.
How do I access these settings from my code?
I know this must be pretty simple, but I cannot see how to do it.
--
Regards,
Phillip Johnson (MCSD For .NET)
PJ Software Development
www.pjsoft... more >>
Mixinf fonts in a TextBox?
Posted by zacks@construction-imaging.com at 3/9/2008 10:46:09 AM
I have a multiline textbox control where I would like to load up with
something like the following:
This is Line 1 <- this line is NOT bold
This is Line 2 <- this line is bold
This is Line 3 <- this line is NOT bold
I have attempted to use C# code like the foll... more >>
Attach Custom Principal to Thead on one form, not there on other f
Posted by Phil Johnson at 3/9/2008 10:34:00 AM
Hi,
I have a WPF app written in C# 3.5
I have created a custom principal and attach it to the thread in my main
window with the following code...
CustomPrincipal principal = new CustomPrincipal(new
CustomUser(), new string[0]);
Thread.CurrentPrincipal = principa... more >>
casting question
Posted by Analizer1 at 3/9/2008 10:33:20 AM
i want to place child windows in a arraylist[]
there floating property windows
when the application closes if the child windows are open, I want to close
that also
my problem is how to cast to the open window
i want to make a generic class to hold the open child windows
thanks
... more >>
When is mvc going to be released? (non-beta)
Posted by DotNetNewbie at 3/9/2008 6:19:48 AM
Hi,
Looking forward to mvc, do you guys know when the official release is
going to be? Is it spring time?... more >>
Order of controls
Posted by ketaki at 3/9/2008 12:55:57 AM
Hello,
I am working with Winforms (C#). I have created 2 user controls. 1
control (control1) is a big image and the other (control 2) is a small
image. I am placing the control2 (small image) on control1(big image).
When I invalidate the control the control2 gets hidden behind the
control1. I... more >>
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