How do you know when  a textbox in windows forms
has been updated?
Do you have to add your own logic on textchanged
and leave events?

I created a DirectShow filter which detects faces from video. Filter
exposes interface, which enables to set a callback, which is called
when a face is detected. I made an application in C# which creates a
DirectShow graph with mentioned face detector filter and calls its

I guess it is not the right group for this problem, but I can't find a
Newsgroup about Setup projects.
Visual studio 2005 SP1
My Setup project (.vdproj) is very simple. The project's output (msi

How I can specify a valid path. I'm new..
is c:\Image\image.jpeg
or c:\\image\\image.jpeg ?
Rafael

I have an application that needs to use a modal form to display a progress
bar.
In order to get it working fine I used a background worker that is always
updating the info into the form, when the work was done I just send a true

I need to create object cache in memory.
Each object id can be composed from several string, integer and decimal type
values.
ContainsKey does not find existing key in this case.

I get the following exception trying to open a folder using the
FolderBrowserDialog control in Visual Studio 2005. This only happens when the
code is running on a mapped drive.  How can I avoid this?
System.Security.SecurityException occurred

i'm needing to create a custom entry form that needs to be reusable
throughout an application framework.
my first thought is to create a custom control to accomplish this.
am i correct in saying that if you need a visual aspect to a reusable

How can I get the bottom position of a buttons text?
I have a usercontrol which has 2 button, both side by side, both 23px
height. both at Y pos of 0.
I want the snapline to act just like a regular button but I'm having

I have a logger component that logs to multiple sources, ie textfile,
eventlog etc.
and I have two methods that depending on where I call up my logger comp. one
of them will be called. For ex. if I throw an exception I want to call one

I'm trying to declare CreateFile as an extern from the dll like so:
...
using System.Runtime.InteropServices;
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError=true)]

I want to create an application that communicates with a cell phone (not
smartphone) to synchronize data (contacts, appointments and tasks). could
this be done by extending Activesync. In general how could I communicate
with my cell phone using C#.

I'm looking for routines that will allow you to do things like set TCP/IP
address, join/leave a domain, set up proxy settings - general network stuff.
I need to do this for a machine that is going to be running embeded XP so we
need to have our own interface to do this ( which is ...

If there is a datagrid in VS2005 for winforms what kind of datagrid is it
then.
1.Is it a bound datagrid that has a direct connection to columns for tables
in the database.

I have a text box on my form which I want masked as a password field, but I
can't figure out what the standard mask character is in windows XP and up...
anyone know what makes those round circles for the mask? thanks!