Can anyone offer any hints / tips for creating registration keys /
application activation, as software copy protection measures for a Winform
app developed in C#?
Thanks

  I did ask before but got no replies.
I have a series of textboxes, In Enter event I need to set the focus to a different textbox
I am having problems when I set focus within the Textbox Enter event.
It is looping thru the events.

What I am trying to do is to change the round button background to grey and
still keep the text label black, by overriding the "Enabled" property.
The purpose is to keep the radio button reader-friendly while keep it
non-editible.

I am using ShellExecute() to print HTML
files through Internet Explorer (to defalut
printer). But I don't know how to bypass the
Print Dialog. Any help/advise will be

I've for the past few days been experimenting with the use of non system
fonts via the PrivateFontCollection.AddFontFile() method.
If i do something like this:
private void button1_Click(object sender, System.EventArgs e)

Hi,
Is it possible to retrieve the (Name) value from ColumnHeader property? I am
trying to get the value through PropertyDescriptor / PropertyInfo, override
it through new property but it does not seems to work or it is not available

How I can get size of Graphics.DrawString in pixel ? Becuase after I draw
string I need place after its combobox ...
Thank you.

Is there a way to have a form as a control?  Here's what I want to do:
I have a datagrid which displays various information.  However, I want to
use it in multiple locations within the same application.  Instead of
creating an instance of the grid and linking up the same data on ...

I have been doing mostly ASP.NET work over the last year and have forgotten
how to do some basic things in Windows .NET apps.
I am looking for a practical method to authenticate a user from a windows
form against our Active Directory network.  Its so easy in ASP.NET, but I

On Feb 12 I posted a request for some help with the subject "Changing the
DataViewManager.RowFilter has no effect".  I attached some sample code
written against Northwind demonstrating the problem.
I may not have been logged in with my MSDN Email account so I am reposting

I have an application that when launched under Windows XP, from an IIS web
server, will not read values from the app.config file.
I have looked at the IL code and attempted to reconstruct what
AppSettings["key"] does.

I have an application that is in production and every so often, i am told it
becomes slow and nearly unresponsive, so they have to reboot it, then it
works fine. I am wondering what the problem is. i imagine the code has a
memory leak somewhere. i can't confirm that a lot of memory ...

since you can't change items in a listbox that is databound, i have to add &
remove items using its items collection. The thing about this is that with
databinding, each item in the list can hold all the info for a particular
datarowview and can be accessed by converting the list ...

In our app (VB) client forms are displayed based on what is on the current
client form and the button pressed. A user never selects a client form. You
can think of this process as filling out a very long form with many branches
(e.g., IRS form 1040). Once a client form is loaded ...

I implemented a double buffered listview to eliminate flicker.  I set the
following styles, then overrode OnPaint and did the drawing. Everything looks
great! However, if I change the font from default, the column headers are not
drawn with the new font and worse yet the ...