I am creating a composite control that does some of it`s own data access.
I want to display a progress bar while the cntrol does it`s thing.
I tryed opening up another thread in the Render methos but:
A) this seams wastefull

I have been working with Delphi since its inception (10+ years but only
up to v5) and am now tackling C#.
   I find it immense in depth with an enormous amount to learn.
   This is just a comment but i would like to know how long it has taken

At startup my application loads an image from a file from disk. If the file
is not there, I still need a valid System.Drawing.Image object but I don't
know how to get one.
//class MyImage

I'd like to use
ThreadPool.QueueUserWorkItem( new WaitCallback( flashRowColor(dgv) ) );
in a couple of places.
I have a method the callback should use:

In the code snippet below, I have a base class (originally written in
C++) that byte swaps data when assigned or read from the class (thus,
always storing the data as big-endian).
As for those wondering how the data is set outside these 2 public

I have a data grid where I created two data columns using the designer.
one of the columns I set the read only property to true, the other to
false.  Yet, when I run the code, I can change the values in the column
where I set the read only property to true.  Would anyone know why ...

  I am new to C# and wants to delete current directory and all sub
directories.
  Can someone please provide some sample?
Thanks in advance.

Is is possible to use the Graphics Path to store curves and then compute
things on them? For example, In one of my controls I one to use a Graphics
Path to store a curve that represents something but I need to be able to get
the tangent at an arbitrary point on that curve.  ...

I have been tasked with writing code which overrides the TraceListener
class for the purpose of limiting the size of the log file.  Basically,
when the log file grows to a certain size, I need to begin overwriting
it from the beginning.  I am using a ReadWrite Stream to do this.  My

iam in final year in faculty of  computer science and information system .
i have with other 3 person to develop asystem using web application for a
universtiy -my university-  like student subject registeration ,student score
.control,...ets.

Say you had N threads doing some jobs (not from a shared queue or
anything like that, they each know how to do their own set of jobs in a
self-contained way). How can you coordinate them so that they all wait
until they've all done one job before starting off on each of their

I have a service process that contains two services but only one of them ever
works properly. The background is I have two classes which are Individual()
and Mass() in the main service class and they both inherit ServiceBase. The
main Method is as follows:

I can use some help here.
I have been moving from Delphi/C++ Win32 Database Development (ADO) to
C#.Net /ADO.NET  the language is not the problem ADO.NET is however
kicking my butt.

I have a DataGridView on my Form1 and a public function that can add a row
to it.  I want to be able to access that member function from another class.
I'm confused as to how to do this.  Can anyone please help?  Thanks!

I want to programmatically add a row to DataGridView (a datasource was
binded with it), but when I call the method DataGridView.Rows.Add, a
System.InvalidOperationException will be thrown and the error message is:
   Rows cannot be programmatically added to the DataGridView's ...