I'm trying to change the behaviour of setting the DataSource property
of combobox.
Here is the behaviour I now see.
Setting the DataSource property of combobox to an ArrayList will visual

I am writing an application where I need to store some data between
application executions.  I wonder where might be the best place.  The
application basically needs to store different objects, where each object
contains one or more sub objects.  Where should I store this data, ...

Hi,
I'm using C# 2003, .net 2.0.  I need to translate some error codes from
Security Log of the system in my application.  
For example, I have an Windows error code of 3221225875 (C0000193).  Its

In the following code I have a Control in a UserControl in a Form. The
Control always gets the keypresses, even after I call Select on the
UserControl. What's the right way to do that? I actually want the
UserControl to get all keypresses and make the Control just pass its

In my C# application i have a treeview control and listview control, the
treeview is on the left side of the from and the listview is on the right.
When i click on an item in treeview i got code to force the listview to
selected the appropriate item and set focus on the listview, ...

Is there a way to bind an arraylist to a dataview?

        I did a lot of research on the subject and came to the
conclusion that what I want to do might not be "good practice". I
created a set of table to manage user rights to forms in my solution
and hope I might be able to auto-generate the menu at solution startup.

Where is the best place to define event handlers?  I need to define event
handlers for a COM object referenced in my project and am doing so in the
fowm load.  Is this the best place?

I am developing an application in C# using VS2003 for mobile device.
This application is using .Net compact framework.
I have added a reference to a third party library I am using for
logging messages [NLog]. I am getting a strange error with that

I want use C# or even C++, C to do some complicated math works, like
calculaus~~
I wander if C# provide any complicated math package, like MATLAB
Thanks a lot

I am using following code
string src = "C:\Source";
string dest = "C:\Destination";
copyCmdStr = "XCOPY "+ src + "   "+ dest;

Please help. This is a real puzzler!
Originally posted on microsoft.public.dotnet.framework.windowsforms but
no answer found!
I have a read-only textBox which shows the results of a selection on

I am defining a COM interface in C#. The interface has the following method:
[local] HRESULT CopyContentToFileEx(
 [in] PFIO_CONTEXT pFIOCopy,
 [in] BOOL fDotStuffed,[in,unique] IMailMsgNotify *pNotify);

I do this:
this.comboBox.DataSource =
myDataSet.Tables["receivers"].Select("location_key = " +
selectedLocationKey);

I am deveopping an application on the pocket pc and I need to program
keys to toggle between 2 application. Exactly from the first
application I want to open a second application and throught the keys
of my device I want to toggle between these two application.