I have the following (much-simplified) situation.  I have a class, part of
which involves drawing graphics on a Canvas.  I may have a number of
instances of these graphics, which may include a line, two rectangles used as
endpoints, and perhaps a label for the line.

Below I have two different alternativ for where to declare the delegate
DoCalculate.
Is it possible to say something generally where to declare the delegate.
Is best within the class or outside the class. Or is just a matter of taste?

Hello, Newsgroupians:
I have a window, and I would like to constrain the mouse to a triangle in
that window when a certain condition exists.  I've tried overriding
OnMouseMove and adding an event handler for MouseMove, but the MouseEventArgs

Does anyone know how to do this? I want to draw verticle lines that
will sit on top of all other windows. Preferably I would do this in
c#.
Thanks

Punish your Microsoft Developer !!
http://www.freerealms.fr/microsoft
Do you think ??
This is .............. FAKE ??

I'm trying to implement some kind of plugin manager and call functions
in remote loaded libraries in seperate AppDomains to be able to unload
the DLLs) via MethodInfo.Invoke(). So far, so fine. But I call some
long running functions this way an want to stop this calls, but have

I have populated a List with objects containing FileInfo. This List is
bound to a DataGridView and the contents *are* visible within the
DataGridView control. When I click within the DataGridView I get the
following error >>

I don't get this method... Could someone please explain it?
I have a number generator where I want to add the numbers to a List<long>.
Before I add each number, I want to make sure that the number does not
already exist. Sample code:

Our application needs to be able to print barcode labels based on the orders
being shipped.  Does anyone have a suggestion as to the best barcode label
solutions that I can integrate into your application to print these labels?  
Any suggestions would be appreciated.

C# corner on one of its tutorial says "Polymorphism allows objects to
be represented in multiple forms".
Can somebody elaborate and make it with an example.
How can an object be represented in multiple forms when c# does not

I have a custom exception and I want to write the information to the event
log, including the Stack Trace. I can create the message and write to the
event log no problem, but the Stack Trace is empty.
How do I append the Stack Trace in the custom exception? I can get the

SendKeys seems to have security problems in IE7 and still does not
work well in Firefox.  Is there a replacement for it?
I'm interested in any solution... even p/invoke to allow usage of
commands in user32.dll...

The whole day I'm fighting with this, as I seem, problem.
I made, based on a listed below article, custon ComboBox with
CheckBoxes  as items. Everything works greate except hte list, that
hides and shoows itself. I would like it to stay visible until an user

As well as trying to call a fortran dll with a structure parameter from a C#
front end, we are trying to do this using AssemblyBuilder and MethodInfo to
do it dynamically.  Ultimately this will be done using a configuration file,
but in the first instance I am trying to do this ...

To all,
I have written a SerialPort class / application using C# and .Net
Framework 3.0.
but I have a question; since my serialPort class / application is not