C# Discussion Boards - CodeProject

btss016-Aug-10 0:39

6-Aug-10 0:39

Hi I just gone through your thread posted on codeproject.
If you fond the solution of this problem then please share with me.
Regards,
Bhavesh Rajdeep

Re: Webcam QR Barcode Decoder Problem

OriginalGriff6-Aug-10 0:47

OriginalGriff

6-Aug-10 0:47

What part of my answer did you not bother to read? The solution is given - but you will have to implement it. I don't need to read barcodes on my mobile...

Real men don't use instructions. They are only the manufacturers opinion on how to put the thing together.

Re: Webcam QR Barcode Decoder Problem

btss0110-Aug-10 0:45

btss01

10-Aug-10 0:45

Hi OriginalGriff,

I want to scan barcode through webcam attached to my computer.
If you have code for that then please email me or post it in this thread or pass the URL.
Thanks in Advance.

shut down client from server

KIDYA21-Jun-09 19:44

KIDYA

21-Jun-09 19:44

hello Experts!!

I want to shut down client computer from server side.i am using vb.net

help!! Sigh | :sigh:

Re: shut down client from server

Christian Graus21-Jun-09 21:12

Christian Graus

21-Jun-09 21:12

What sort of client ? over the web, through an online app you wrote, or what ?

Christian Graus

Driven to the arms of OSX by Vista.

"! i don't exactly like or do programming and it only gives me a headache." - spotted in VB forums.

I can do things with my brain that I can't even google. I can flex the front part of my brain instantly anytime I want. It can be exhausting and it even causes me vision problems for some reason. - CaptainSeeSharp

Re: shut down client from server

KIDYA21-Jun-09 21:48

KIDYA

21-Jun-09 21:48

not over the web,its on pc.

Re: shut down client from server

Christian Graus21-Jun-09 21:13

Christian Graus

21-Jun-09 21:13

KIDYA wrote:
.i am using vb.net

Just to add - then why did you ask in the C# forum ?

Re: shut down client from server

EliottA22-Jun-09 2:46

EliottA

22-Jun-09 2:46

Don't know who 1'ed you but I tried to balance it out.

Check out the CodeProject forum Guidelines[^]
The original soapbox 1.0 is back![^]

Re: shut down client from server

EliottA22-Jun-09 2:35

EliottA

22-Jun-09 2:35

Same method as if you used C#, call shutdown.exe using the System.Diagnostics.Process class.

Check out the CodeProject forum Guidelines[^]
The original soapbox 1.0 is back![^]

Loading Dlls programatically in C#

Tina P21-Jun-09 19:05

Tina P

21-Jun-09 19:05

Hey guys,

I need to be able to figure out (based on users selection from the UI) which class library project to use. In other words, there is a mthod lets say initialize or something that would be receiving some parameters from the User (such as the name of the class library project and it's type, however the name is enough to have some sort of a if else block and load the right project. Well actually I wanna be careful here, it's not really loading the class library project from here, it's more like using the correct project for all the subsequent method calls from this project (as the class library projects may or maynot be different from each other in terms of the methods they define.

So I need to be able to point this project, which also happens to be a Class library project to the correct version of the subsequent project based on the name of the project that is provided by the user from the UI text box.

I'm sure whats the ideal solution here, I think I should just add a reference dynamically based on the project name coming in....in other words do some sort of string comparison adn based on that add a reference to the right Class library project adn then it will point to it.

can someone please help me with this, if you think this isn't what needs to happen, or if it is the right approach, any feedback would be highly appreciated?

Thanks
Tina

Re: Loading Dlls programatically in C#

himanshu256121-Jun-09 21:22

himanshu2561

21-Jun-09 21:22

Hi,
I think you might need to look for Reflection to achieve this.

himanshu

Re: Loading Dlls programatically in C#

Shukla Rahul21-Jun-09 22:17

Shukla Rahul

21-Jun-09 22:17

Hi Tina,

I would suggest you to go with a event subscription based model to achieve this.
Please see Observer Pattern for details.
Make one project for Subject & Define all the other dll projects as observers. Let me know if you want to see a working code of it.

Regards,
Rahul Shukla

Getting array of Numbers.

Sangram_KP21-Jun-09 17:35

Sangram_KP

21-Jun-09 17:35

Hi,

I have numbers 1 to n(let it be 1 to 10).. They are in sequence and in ascending order but some of the numbers in between are missing. For example(1 2 3 5 6 9 10).

I need arrays from the numbers those are in sequence.

Like:
Array1: [1,2,3]
Array2: [5,6]
Array3: [9,10]

Note: It is also needed to calculate how many arrays we can get?

Can some body please help.

Re: Getting array of Numbers.

Christian Graus21-Jun-09 19:32

Christian Graus

21-Jun-09 19:32

Well, sounds like you need to write some code. You have to step through until a number is not the next in sequence, then start a new array. You can build a list and call ToArray to make your arrays as you go.

Re: Getting array of Numbers.

Sangram_KP21-Jun-09 20:03

Sangram_KP

21-Jun-09 20:03

The problem is implementing, the logic u have given.
can u help me with sample code.

Re: Getting array of Numbers.

Christian Graus21-Jun-09 21:15

Christian Graus

21-Jun-09 21:15

Well, the code someone gave you, doesn't look to me like it will work, but it should give you enough of a start to be able to do your own homework.

Re: Getting array of Numbers.

himanshu256121-Jun-09 21:30

himanshu2561

21-Jun-09 21:30

Hi Christian
Code is working $Shucks | :-\$

himanshu

Re: Getting array of Numbers.

CPallini21-Jun-09 20:48

CPallini

21-Jun-09 20:48

Christian Graus wrote:
Well, sounds like you need to write some code.

If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.

This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke

[My articles]

Re: Getting array of Numbers.

himanshu256121-Jun-09 20:44

himanshu2561

21-Jun-09 20:44

Hi,
This might help you.

List<int> al = new List<int>();
       al.Add(1);
       al.Add(2);
       al.Add(3);
       al.Add(5);
       al.Add(6);
       al.Add(11);
       al.Add(12);
       al.Add(13);
       al.Add(21);
       al.Add(22);
       int x = 0;
    List<int>[] ll=new List<int>[al.Count];
    ll[x] = new List<int>();
       for(int i=0;i<al.Count;i++)
       {
           if ((i + 1) == al.Count)
           {
               if (al[i]  == al[i- 1]+1)
               {
                   ll[x].Add(al[i]);
               }

           }
           else
           {
               if (al[i] + 1 == al[i + 1])
               {
                   ll[x].Add(al[i]);
               }
               else
               {
                   ll[x].Add(al[i]);
                   x = x + 1;
                   ll[x] = new List<int>();
               }
           }
       }
       Array aa = ll.ToArray(); ;

himanshu

Re: Getting array of Numbers.

PIEBALDconsult22-Jun-09 7:06

PIEBALDconsult

22-Jun-09 7:06

Sounds like homework.

listView1.GetItemAt always returns null

Mohammad Dayyan21-Jun-09 17:33

Mohammad Dayyan

21-Jun-09 17:33

Hi.
I'm gonna get an Item on Mouse position during Mouse Double Click.
I've been using this method :

private void listView1_DoubleClick(object sender, EventArgs e)
{
    Point mousePoint = new Point(MousePosition.X - this.Location.X, MousePosition.Y - this.Location.Y);// for debugging
    var item = listView1.GetItemAt(MousePosition.X - this.Location.X, MousePosition.Y - this.Location.Y);
    if (item != null && item.Tag == null)
    {
        listView1.Invalidate(item.Bounds);
        item.Tag = "tagged";
    }
    MessageBox.Show(item.Name);//causes an exception
}

Unfortunately it returns null.

Could you guide me how I can resolve it ?
Thanks.

Re: listView1.GetItemAt always returns null

N a v a n e e t h21-Jun-09 17:45

N a v a n e e t h

21-Jun-09 17:45

Mohammad Dayyan wrote:
MousePosition.X - this.Location.X, MousePosition.Y - this.Location.Y

What logic is this?

Mohammad Dayyan wrote:
Unfortunately it returns null.

Here is what MSDN says,

The GetItemAt method, on the other hand, returns null reference (Nothing in Visual Basic) if there is no item at the specified location.

So it looks like there is no item in the location where you are specifying. I guess you need to handle MouseDown event and use the X and Y from the MouseEventArgs. Get the list item in MouseDown event and use it in the double click event.

Edit,

I found there is a MouseDoubleClick[^] event and that would be the right thing to use.

Smile | :)

Navaneeth

How to use google | Ask smart questions

Re: listView1.GetItemAt always returns null

Mohammad Dayyan21-Jun-09 18:49

Mohammad Dayyan

21-Jun-09 18:49

Thank a lot. my problem was solved

Re: listView1.GetItemAt always returns null

dan!sh 21-Jun-09 17:45

dan!sh

21-Jun-09 17:45

Use MouseDoubleClick event. This way:

private void listView1_MouseDoubleClick(object sender, MouseEventArgs e) {
var item = listView1.GetItemAt(e.X, e.Y);
}

Re: listView1.GetItemAt always returns null

Mohammad Dayyan21-Jun-09 18:52

Mohammad Dayyan

21-Jun-09 18:52

Thanks

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