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I have a problem with windows services in C#. I have a windows service developed by a programmer already and its been installed. The programmer has deleted the source code, so i don't have any source code for it... my client wants me to make changes to the service for which i can find the exe only. I was able to find the .net reflecter and i can look at the code and understand it... Now in order to make changes, wat do i have to do... as its a service, i need to run it and then somehow connect to it. To connect to the service , do i need the source code or when i connect the code will be generated automatically... also, if i have to generate the code then the fact that the decompiled code is different from the original source can make a problems or not... decompiled code would have compiler generated code , what will i do with that
Plz provide help in this regard
if i am asking this question at a wrong place, lemme know the correct forum and i will copy it over there
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I've never had to do what you're asking before but here's what I'd do:
1. refuse to work on it unless the original developer is fired for deleting the source.
2. use reflector to decompile it.
3. load up the source in VS. you might have to make a new project and then manually merge in the decompiled code.
4. make whatever changes are required to the source and rebuild.
5. add the code into some form of source control repository.
6. give the new executable to the client.
You don't have to run the service and connect into it to change it. I don't even know what that means. After you've rebuilt the service all you have to do is stop the instance that's running on the clients computer, overwrite the existing executable file with your new one and restart the service.
Decompiling the executable won't change the behavior of the program so modifying it and recompiling should be ok. Working with the decompiled source code may be more difficult than working with the original but if the original developer was ignorant enough to delete it in the first place then the decompiled version might be an improvement.
Good Luck.
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oh thanx for replying...actually , by running the service and connecting to it , i meant that is there anyway that i can communicate with the exe without the source... but still i need the source to do changes into it... i am confused.... I can't attach a process to a service until i have the source right? what if the source is a bit older version and is missing classes... wat do i do then...
again thanx for replying
best regards...
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mark_me wrote: communicate with the exe without the source
mark_me wrote: attach a process to a service until i have the source
Huh?
To communicate with the service once it's running you'll need some other program that was built to communicate with it. If you want to know how to communicate with it then you'll have to ask the original developer or you could look in the source and see what it's built to do.
You build and deploy services just like any other program. You edit the source code and rebuild it which produces a new executable file. It has absolutely nothing to do with "attaching processes" or "communicating with exes".
When you decompile an executable that gives you the ALL of source for that executable; there's no way for it to leave things out. The decompiled version is probably different from the original source but there's really no way that you would know that unless you have the original source to compare it to which would alleviate most of your problems.
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I have a setup for it... any way, in which i can get the code back from there...
thanx
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When the the user clicks on the submit button I want that information submitted to my database. It writes just fine until I try to display a Confirmation page then it will not write anything to the database. How do I write to the database and also display a Conformation Page?
Shane
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make sure you are redirecting to the conformation page after you write to the database. not before.
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I'm trying to build this application that looks at a folder and displays new pictures. I got that to work flawlessly, but there is one more part that is having more issues. The camera that I want to watch gets recognized as just that - a camera (or scanner). Thus, I can't tell my app to watch it, creating a useless application.
I've poked around a bit, but to no avail. Perhaps somebody can shed some light on this.
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You may want to Google for "windows image acquisition[^]". Why look in a folder when you can get the image directly from the camera. Maybe... it depends on if your camera supports it or not.
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I have imagelist with few images. How to get fileinfo of image with specific index?
Second thing is how to show string in listview as item..cause this doesn't work..
for (int j = 0; j < this.imageList1.Images.Count; j++)
{
ListViewItem item = new ListViewItem();
this.listView1.Items.Add(imena[j]);
}
imena is string array defiend as string[] imena=new string[10]..
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Just out of curiosity, if you aren't using the item variable why did you declare and instantiate it?
ListViewItem item = new ListViewItem("someString");
listView1.Items.Add(item);
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you might want to set the ListViewItem.Text then add the item to the list
item.Text = imena[j];
this.listview1.Items.Add(item);
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Is it possible to get info of files from imagelist..?
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what sort of infomation do you want, if its height / width / resolution, then its pretty simple.
imageList.Images[yourImageIndex].Width
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hi
I look for procedure in c# the work of procedure is to determine the object boundary in image.
the image contains one object. the output of procedure must be array contains the coordinates of boundary.
anyone can help me please.
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Your really not going to get much help on what is essentially a university-grade research topic called "machine vision". Google for "machine vision algorithms" and you'll find a bunch of very deep information.
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Dave is right, it is really nontrivial and generally ambigious procedure (I mean - it is often unclear what the 'correct' result should actually be). Check out some basic articles on edge detection and image segmentation. And don't expect to get quick results on wide range of images.
H.
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Hi all.
I'm gonna simulate a small-size robocup soccer[^] with nVidia PhysX & C# .
(I'm beginner in nVidia PhysX , but I'm OK in C#)
How or where can I start learning that ?
Could you guide me ?
Would appreciate if you answer the questions.
Thank you.
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Mohammad Dayyan wrote: Would appreciate if you answer the questions.
Thank you.
Mohammad Dayyan wrote: I'm gonna simulate a small-size robocup soccer[^] with nVidia PhysX & C# ?
This is not a question, it is a statement.
Mohammad Dayyan wrote: How or where can I start learning that ?
Study the subject at home.
Try asking a real question and maybe, just maybe, you will get some help.
Panic, Chaos, Destruction.
My work here is done.
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williamnw wrote: This is not a question, it is a statement.
Thanks for the errors. You will be a good compiler.
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try here[^]. It looks like they have lots of help including documentation and forums.
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i have managed to make a client and server classes for socket comunication, but i have no ideea how to manage multiple clients connecting to the server, i've checked the web and msdn but most exmpales are either too convoluted or use different mechanics than mine, so how do you guys do this ?
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rareseu wrote: i've checked the web and msdn but most exmpales are either too convoluted or use different mechanics than mine
Maybe your mechanism isn't right then?  .
1. The simplest way is creating a thread that will call accept in a loop. For each accepted thread you create new client thread, pass new socket there and voila. Drawback is that you will use 1 socket per connection, so managing a lot of sockets could be expensive. (btw, for each client socket, you can use synchronous operations now).
2. A bit more complicated, but more robust solution is to use asynchrounous communication. Then, foreach connected client, you create him a read buffer, write buffer, supply callbacks methods and just invoke BeginRead/Write. Your callbacks methods will be ran automatically when some data will arive (read) or was sent (write). In callback methods, what you should do is call EndRead/Write to get data, do some quick processing (fe. copy received data to some external buffer) and invoke Begin methods once again, and so on, and so on .
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