Hi group
Suppose I've got a pdf or xls file in an image field in a SQL database. Now
I fetch it to a memory stream and I want to open it with the default handler
for this kind of files (if any installed) on user workstation. How do I do

I would like to trigger an event in my application -- "MyApp" by right mouse
click on any file in the windows explorer and select "Send To" then choose
"MyApp". My application is already up and running. It is written in c#. Any
idea how to trigger an event to process this in  ...

I need a function to convert ansi to unicode data for VB.NET.
Thanks.

I am getting the "Access denied" error while trying to Instantiate the Excel
Appliation from the WebService.
The server is windows 2003.
Thanks & regards,

This is a total newbie question so please bear with me. I need some
clarification to my understanding.
I understand the garbage collector is responsible for destroying objects and
by default we don't know when that is going to happen. If, for example, I

Hi NG,
Using .Net 2.0 I derived my own settings class from ApplicationSettingsBase
with just one string property to learn the usage of "settings". It works
fine, I can also modify and save/reload the settings.

I'm trying to implement a custom look on selected tabs on a tab control.
I've done this successfully. However, I noticed that when I set the draw
mode to OwnerDrawFixed the HotTrack property is ignored.
I figured this was by design and tried to implement it in the method I'm

It should be possible to build a verifiable assembly using the managed
extensions for C++. It may be possible if the target is a library, but as far
as I can determine it cannot be done for an application. Hopefully it is
possible, and I just need someone to explain what I'm ...

How can I find out the MAC address of a network card?
TIA - Jeff.

I need to be able to OCR-scan bitmap images from .net code. Ie:
text = ocrcomponent.scan(myImage)
The images are actually ads, and are all quite different. I need to extract
the text for fulltext-indexing purposes, so it is not important that there

Which programming language fully implements the CLR?

I am looking to turn the string "20051211 14:22:33" into a dateTime variable
whose date is December 11, 2005 and time is 2:22:33 PM.  I have tried
several approaches, I MUST be missing something simple.  I have spent more
time on this than anyone should have to.

Does anybody know how to print PDF files to a specific printer?
Since this should be done by a service, it should be silent (no
dialogs/pop up) and also should be able to print to a specific printer
(not just the default printer) defined on the web server.

I want to know if a file is currently locked aby nother prcess... but in the
most efficent way possible.. i mean is there some API calls that i can use? i
would want to avoid having to catch (and cause) exceptions since they are
really slooooooow..

Hi, all
I have developed my asp.net application in Visual Studio 2005 IDE. It is
well known that the Visual Studio 2005 IDE is based on framework.20, but I
want to know, whether it is feasible to use framework1.1 to build my