I just finished an application, with a standard Form. Though the form is
Active (the property is true) the static System.Windows.Forms.Form.ActiveForm
is null all the time.
I tried to call Activate and Focus but the state for ActiveForm does not

I am getting security exception when I try to access any network
folder or database or when I am trying to create a file on the network
share using my .NET Windows application. I know I can make it to work
from my machine making the code FULLTRUST.

I have a form inside a panel using:
public void CreateNewFormInsidePanel(){
Form form1 = new Form();
form1.TopLevel = false;

I am using the PrintPreviewControl on a custom form to display a
report.  The report is multiple pages.  I have a NumericUpDown control
on the form to navigate the pages of the report.  In the ValueChanged
event of the UpDown control I change the StartPage property like this:

I have a project with 50+ forms that needs to be made topmost. Is
there a faster way than manually setting topmost=true for all forms in
the project? Then how do I guarantee that dialogs get set topmost?
Thanks,

Hello, friends,
In Windows Form applicaitons, it is often that a form window may need to
interact with other form windows. For example, clicking on a command button
in one form may bring another form to foreground and display text/image

I have a user control that has a few public properties. These
properties get set in the app at run time with arrays of data, but at
design time the designer insists on setting these values. For one
property it even tryies to create an entry in the resource file, which

I want to use ClickOnce to deploy my WinForms application to "paid"
customers only. How can ensure that only registered users of my application
can download/update it?
Also what happens if the user stops subscribing/paying for updates? If i

Nearly all my experience so far has been with web forms so I'm just
learning to work with windows forms.
I'm trying to bind data do a datagridview but dont' know how. This is
what I have so far.

How do you programmatically activate a tab in Tabcontrol so that it appears
on top?
Thanks,
Charlie

Any recommendations for WPF books? I'm a little skeptical of reviews on
Amazon right now, since they might be astroturfed by the publishers.

I am developing a ListView / ListBox / TreeView like Control for .NET
CF. I was wondering how to make the designer constrain the height to
multiples of the basic line height - pretty much the way this is done
with a ListBox control when resized in the designer.

I have a project with C#. this is an MDI application. the application
contains a parent form, several child windows and some message boxes.
My problem is the following,
1. If I maximize a Mdi child the title bar of the child window does

I am trying to use form inheritance in my application, and seem to have run
into some errors. I have a base form called frmBase, and two forms which
inherit from frmBase called frmInitialDisplay and frmSystemStatus. I can
compile and run the application fine, but whenever I try ...

Hi Gurus,
I am newbie and little confused with Classes(Ref type) and Structures(Value
type).
I know how to use both classes and Structures and also know the difference