I need an answer for this.
If I have a C++ class library.. could I call its method from C# ???
What about if I have a C library.. could I call its functions from
C ?

I have a windows form with a TreeView control.
When I first open the tree all nodes are colapsed. Then, I expand some of
them and close the form.
When I call Form.showDialog() once again all nodes are collapsed again.

I put the following line into my Web.config file:
<system.web>
    <sessionState
         mode="InProc"

I've been told that I can make my Web Pages render quicker if I set
the BufferOutput property of the HttpResponse Class to false.  I have
a "test" Web App that works, but it doesn't seem to have the
HttpResponse Class.  Where do I adjust this?

I'm writing an internal mail system module for my project.
There may be several thousand 'users' on site, and I need the whole list for
filtering, so I decided to load up the users in the main form of the module
in a background thread

I have an excel file with charset "windows-1250" and i would like to
convert it to CSV file with charset "UTF-8"
how can i do that ?
thanks a lot,

Does anybody know if this free software for uml design exists for Windows
platforms?
Thank you.

I'm trying to get the index of a selected Item in ListView.
I'm using the SelectedItemChange Event, but i can't get the item index (like
in listbox for i.e).
How can i get the index?

I want to clear all the Text Boxes on the Form. Is there any short
method to avoid clearing them one by one.

I got a web service that I am writing an application to connect to it from,
what I need is code I can add to the web service that allows me to add
information to a text file located on the pc where the service is running.
This text file will be used to debug what information is ...

I have COM-object with Iface interface:
typedef struct
{
...

I've got a class which contains properties.  I can supply this class to the
Properties control, and it will properly display the properties and allow
the user to edit them, etc.  I would like to be able to programmatically
control at runtime which properties are displayed.

I have two different things I'd like to discuss here. Both are about
cross-process synchronization of shared resources. The resources that
are shared are: (1) an object writing to a file and (2) a file. I
threat them as two different problems for various reasons.

I am using VS2003 to create a C# dll that uses shell namespace extensions.
I need to debug my code but it is running in the explorer.exe process and
when I open my namespace extension from My Computer so its running, then try
to attach to the explorer.exe process with VS2003 I get ...

Seeing as it is being recommended as the successor to SqlHelper.cs, I am
trying to use the Data Access Application block from the Enterprise Library.
My class works fine until i add the following line of code anywhere,
whereapon it runs incredibly slowly.