I'm implemented a class called MyProvider which inherited from Component and
IExtenderProvider. i have the problem, that when I typed anything in the
visual studio designer in my MyItem-object which is provided by MyProvider,
the data is lost, after I clicked in another textbox. ...

I have an application where on the main form I have a tab control.
I also have created a form that has 2 text boxes and a couple of
buttons on it.
When the main form loads I run this code

Hi I've been using the code below to authenticate a user in the
database in my ASP.Net app but now I've built another Windows Forms
based application. I'm trying to use the below code but I guess there
is no equivalent to the

I have two tabcontrols in the same form (everyone with tabpages) and a
toolbar. When i click on toolbar button i'd like to know which tabcontrol is
active. I can't use activecontrol property because the routine return the
button.

Consider the test app below. While I hit the breakpoint in the finalizer in
DataClass, I never hit the one in Form2. How is that possible? Won't Form2
hold a reference to DataClass until it's finalized, therefore preventing
finalization of DataClass? Or can GC say "no one has a ...

Hello - I need to change NC border color, or in some way draw a thin cross
line across my form. Please help. Thanks in advance.

I am trying to use the toolbar to open up different forms; however, I
am wanting to open form2 within form1. This is similar to MS Word when
creating a new document. You have the main Word window then you are able to
create new documents within the main Word window. With your new ...

I have a List<> of objects that I want to use as the datasource for my
datagridview at runtime.  However, when I bind to it, the columns are in a
strange order (no correlation to my query or to the underlying object
properties).  Any idea how to manipulate the order of object ...

Hi there.  I have a winform in C# and my programming is going well.
I'd would like to show/hide 3 groupboxes.  My problem i think is
trivial.  I am currently designing the form in the design view, and
would like to hide the first group box so i can lay out the second one.

I'm trying to use the HScrollBar and VScrollBar controls, but I'm
having some problems with them...
I want them to just sit there and let the user drag them, so I can
retrieve the thumb position and handle everything else in my code.

I have a form toolbar with several buttons. Ex. one button is an "Exit"
button. I can't find any code for vb.net 2003 that will allow me to only
utilize only one button within the toolbar to close the form. If anyone can
provide a good source for vb.net 2003 code examples, I ...

I am primarily a Java developer well versed in the ways of Java AWT and
Swing but am relatively new to .NET GUI development.
I've been making a simple windows application using C# that basically allows
a user to enter some data then submit it to be processed by a task running on

Hello, I'm trying to call a function from another form.... If I have 3
forms, A, B and C. A calls form B and C, and I want to call a function in C
from form B. Is there anyway to do this?
Any advise will be appreciated.

Hi,
Trying to do something very simple, just display the application help file
associated with an application. I've set up the Help Provider, the
HelpNamespace property is simply the name of the file so it is always looking

How do you hid the tabs in a TabControl?