i m very much confused between "abstract" and "interface". can any one
suggest me the different between and which is the best situation to
use the both objects

I have a class derived from a windows forms control and implemented a new
event. Everything works fine within the class. But if I try to check the
event in the parent form I got nothing.
Any idea

Is there a way to get a handle to a control in a windows form, only by
knowing its name? I need to change some properties on a control and i only
know the name of the control.
Regards

I am trying unsuccessfully to set the text of a toolbarbutton at runtime.  
The button was added to the toolbar.buttons.collection at designtime.  Is
there a trick to doing this, or am I missing something?  Does the
toolbarbuttons Text property have to be set prior to adding the ...

I'm developing on a .NET framework based windows application.
The application seems to be very large as the project grows.
We currently have approx. 130 user controls, and 60 forms.
A good amount of this is controls and dialogs that will be removed later on.

Is it possible to display a link in a RichTextBox without showing the actual
URL, like in word or wordpad, but still be able to capture the LinkClicked
event (DetectUrls = True).
Right now something I would like to display as Microsoft

I found this after I posted this question in the .NET group and it may have
been better here.
I am having some trouble getting my common compenent to be able to refresh
and I am hoping someone will be able to tell me what I am missing.  To simply

Having defined an icon property on my usercontrol as show below,
I can set it just fine using the PropertyGrid. But for some reason I
cannot delete it, once it has been set, i.e. mark the "(icon)" text
and pressing the Delete button, as is the case for standard

I am having an exasperating problem with the dtp control in .NET.  I am
trying to tell if the ValueChanged event has been thrown as a result of the
user actually actively clicking on the checkbox or whether the checkbox has
been checked as a result of the user clicking on the ...

According to the helpfiles, Visual Studio .NET 2003, ActiveControl is
a virtual property. If one attempts to overrides ActiveControl it
generates a syntax error as follows: ActiveControl get/set method not
marked as virtual, abstract or...

To make this simple,
suppose I have a form (frmMain) with 2 groupboxes (gbx1 and gbx2).  I know
if I click on gbx1 it will raise a gbx1_click_event, if I click on gbx2 it
will raise a gbx2_click_event, and if I click on the form anywhere where

I am creating an application which contains controls which can be moved
and resized.  I would like to know the best way to add a border and
resizing handles to a control, the same way that the .Net IDE adds
borders and handles to controls when you click on them.  So far the

I have a crystal report with printer setup - Landscape.
And a crystal report viewer with print button - enabled.
When I am printing the report it comes out as portrait (as the default set
up of the printer is portrait.)

Can I drag a tree node and drop it on another parent node
of the same TreeView?
I've implemented the ItemDrag, DragOver and DragDrop
events, but it doesn't allow dropping.

Is there a way to determine when a Component or a Control is being created in a designer as opposed
to a runtime app from within the constructor?
I think I can probably check DesignMode in the OnLoad() method of a Control... but Components don't
have OnLoad() methods.