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Hi,
I have an TCP server client application, with client running on the WM 6.0.
I have using TcpClient class to establish connection to my server and send data. If I am using wifi the code is working fine, but if I am trying to use GPRS its not working. I think I have to start GPRS connection first. Can someone please tell me how to fix this.
here is the client side code
public class Client
{
public void GpsClient(string Ostring)
{
TcpClient socketForServer;
try
{
socketForServer = new TcpClient("energystudy.dyndns.org", 13000);
}
catch
{
Console.WriteLine("Failed to connect to server at {0}:13000", "energystudy.dyndns.org");
return;
}
NetworkStream networkStream = socketForServer.GetStream();
System.IO.StreamReader streamReader = new System.IO.StreamReader(networkStream);
System.IO.StreamWriter streamWriter = new System.IO.StreamWriter(networkStream);
try
{
string outputString;
// read the data from the host and display it
{
outputString = streamReader.ReadLine();
//Console.WriteLine(outputString);
streamWriter.WriteLine(Ostring);
//Console.WriteLine("Client Message");
streamWriter.Flush();
}
}
catch
{
Console.WriteLine("Exception reading from Server");
}
networkStream.Close();
}
}
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I'm new to EVC environment, and I'm creating DLL, but I'm unable to debug it. What are the steps that I can do to debug it?
Thanks in advance.
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Hello,
It would be great if you guy can answer the following questions.
1) There are three types of mobile projects such as Pocket PC 2003, SmartPhone 2003 and Windows CD 5.0. What are the differences?
2) Which one should I used if I want to develope the application for Windows Mobile 6 and Nokia Phones? OR Do I need to develop separated application for windows mobiles and Nokiea (Symbian OS) ?
3) I'm trying to find the wifi hot spots from my mobile application. I'm using this library. http://www.codeplex.com/managedwifi/Thread/List.aspx[^]
I wrote the following code in my program.
private void button1_Click(object sender, EventArgs e) {
WlanClient WC = new WlanClient();
//We must define the flags for using the "GetAvailableNetworkList" function.
Wlan.WlanGetAvailableNetworkFlags flag = new Wlan.WlanGetAvailableNetworkFlags();
//refreshing the network list.
WC.Interfaces[0].Scan();
//The array that contains the networks details.
Wlan.WlanAvailableNetwork[] WList;
WList = WC.Interfaces[0].GetAvailableNetworkList(flag);
foreach (Wlan.WlanAvailableNetwork ssid in WList)
{
Console.WriteLine ("SSID is : " + Encoding.ASCII.GetString (ssid.dot11Ssid.SSID, 0, ssid.dot11Ssid.SSID.Length ));
}
}
but I'm getting this error "Can't find PInvoke DLL 'wlanapi.dll'." Any idea why?
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Question #1 Response:
Main difference is in the UI because PDA vs Smart phone have different resolutions and navigation models.
Question #2 Response:
I'm working on a framework for building mobile applications across multiple phone types. I plan to have two different UI options J2ME or BREW which can then talk to another native program on the phone in J2ME, BREW, or C++/C#. The idea is that the UI components will be common across the phones but provide the ability to implement native application layer under the UI.
Successful_Developer = Technology + Common_Sense
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1) For a C# or VB.NET project it doesn't make much difference, but Windows Mobile 5.0 and later have included new WM-only APIs and wrapper classes. Visual Studio will only add these to the toolbox if you're using the correct SDK.
The .NET Compact Framework comes in several versions depending on the device operating system version and whether it's Windows Mobile (Pocket PC, Smartphone) or not. If the wrong version is loaded, the Compact Framework may not behave correctly.
For C++ it's very important to use the correct SDK as this determines the APIs you can use, the exact machine language generated by the compiler and the versions of runtime components loaded on the device.
2) For Windows Mobile 6 devices you should be using the Windows Mobile 6 SDK[^]. For touch-screen devices get the 'Professional SDK', for non-touch-screens get the 'Standard SDK'. You will need to select the right platform for your project by going to Project, Change Target Platform.
Nokia devices do not support the .NET Compact Framework. For these devices I believe you should program in C++ or Java.
3) This class is, as stated on the project home page[^], a wrapper for the Native WiFi API in Windows Vista and Windows XP SP2 (if you download a hotfix) only. It is not present on the device and never will be. You get the error because wlanapi.dll doesn't exist.
The only common API for WLAN on Windows Mobile is the Windows Zero Configuration API which isn't very easy to use from C# (see for example WZCQueryInterface[^]). The OEM may have replaced WZC with their own interface (common, because WZC isn't terribly reliable) in which case you will have to use their programming interface.
DoEvents: Generating unexpected recursion since 1991
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 Hi,
I am Rajesh, I am working with mobile application is asp.net, the selection list repeats the items I have added at run time, I changed the row property to 1 etc still I am not getting.
Can any body give me solution for this,
Thanks and regards
Rajesh
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Does anyone know of any API available to use location based services and E911 for Symbian or CE based phones? I have been tasked to work on this, and I really don't know where to start. Any help would be greatly appreciated.
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Hello,
We have developed a BHO project using Windows Mobile SDK 6.0 for Pocket PC to monitor the webpage which contains login / password controls.
Now, we are able to monitor login / password page. But whenever we browse login / password page say www.gmail.com we got notification of password control present on the page. After that if we browse non-login / password page say www.google.com then it shows same result as above i.e. previous page password control. However if we refresh the page, it does not show any password control on the same page.
We detect password control present on the webpage using following methods –
Using BHO application, we have captured OnDocumentComplete and with using subclassproc for Internet Explorer WM_Activate messages where we are implementing out methods to check login / password.
EnumChildWindows (hWnd, GetDialogStringProc, (LPARAM)passFlg);
GetDialogStringProc checks password control as –
if(::GetWindowLong(hWnd, GWL_STYLE) & ES_PASSWORD)
{
*((BOOL *)lParam) = TRUE;
}
Using the code above we find the password control in the webpage. Now we are facing the problem of the controls being repeated during navigation. The same ones that are found on gmail.com come again when we browse to google.com. This issue goes away after refresh.
Thank you.
With regards,
Shashikant
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Hi friends,
I am facing the problem while receving the new messages from another cell.my new message is in modem but i am not getting how read and what AT commands should used to the indication from the modem.
And i want to count the number of messages present in the sim.please tell me how can i solve this problem.please.Please Help me Soon.Give me some hints.
Thanks in Advance,
savitri 
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To work with modem is a pain. You have to initialize the modem carefully. Search for samples here at CP.
It isnt easy. 
Greetings from Germany
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Actually i want to print barcode through device
Windows mobile development, pocket pc development , C#.net compact framework, Desktop application , web service
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you can create an html file, and specify font there with the tag.
Best regards,
Jaime.
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Hi,
I want to create a "Global Event Manager", which would take charge of dispatching system/driver events to applications that need them.
Some examples of these events are "memory card inserted", "memory card full", "memory card empty", "headset attached", "headset detached", "battery low", and so on. I want to sent these events to the applications that need them.
Thanks & Regards,
Shilpa
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Cursed by "Content not found "
Sometimes I just want to beat my head against the wall with msdn. So much potential, so much frustration.
I've been looking for a "getting started" guide for WinCE .net. I have an application that is pure C++/mfc - native code. Environment is an sdk that allegedly supports .net, hard to say as I've not tried yet. I would like to figure out what tools I need to develop .net on my platform, but MS just isn't helping much (see preamble).
VC 2005 Express ---->>> both native and .net
VC 2005 not so free
VC 2008 Express
VC 2008
A simple, "hey, stupid, use this link" will work too 
Charlie Gilley
Will program for food...
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Try these to get started:
http://msdn.microsoft.com/en-us/embedded/aa731296.aspx
http://www.microsoft.com/technet/archive/wce/evaluate/revgde.mspx?mfr=true
http://www.wirelessdevnet.com/channels/pda/training/vcce.html
~Dave
Dave Traister
Software Engineer
ComponentOne LLC
www.ComponentOne.com
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I am working on a input method project in WM6. I have built the SIP that works fine with pen event. I want to make the SIP to receive the key event from the hard keyboard of device. However, SIP receives none of hard key event. In order to solve it, I tried to make a IME to receive the hard key event. Now I can get hard key by IME.
My IM is activated from the SIP selector in the middle bottom of Window but the IME cannot be actived. My problem is that,
1. How I can activate/deactivate my IME when my SIP is activated/deactived by user?
2. Can I can install my IME(now, I test it by replacing the chajet.ime) and call it out as default IME for all applications?
Thanks.
Best Regards,
Eric Siu
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In compact framework in PDA can I declare a form as parent of another forms.
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Yes
Windows mobile development, pocket pc development , C#.net compact framework, Desktop application , web service
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My project is running into VS2008 to press F5.But when I click on Bin\Release\PDA.exe then I got the error message "Top-Level control cannot be added" on the line where I declare the main form as a parent form.I have a main form and four child form.I take a module where I write the general declaration like that:
childfom.parent=frmmdimain
frmmdimain is main form.
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The concept of MDI forms does not exist in the CF, so you cannot.
You can declare a main form, and open it. Then do a showdialog() on the other forms, or a show() to show them.
~Dave
Dave Traister
Software Engineer
ComponentOne LLC
www.ComponentOne.com
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Hi,
I have an MFC based activex control which I have built using VS2008.
After building, when I deploy, this does not get deployed to the device even though the message says it deployed. I am able to deploy my .exe file but not ocx file.
So I created a CAB file and put my ocx file and exe file. The CAB file knows that the ocx file is self-registering component. When I copy the CAB file to my PDA and explode it, I can see my exe and ocx file, but the activex control is not registered.
I know know it is not registered because I do not see it in the registry HKLM\Software\classes
Has anyone done this and could share some insights on this. I really appreciate it.
Thanks!
-A
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I am trying to create an application which will send sms automatically from phone after certain interval. How can i read the message center number and
Can an application created in .Net run on any mobile or only on Win CE phones
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See the application created for windows ce , will work only on windows ce , You can send SMS by using name space mobile outlook of windows , it gives all events for sending SMS . Be  st luck
Windows mobile development, pocket pc development , C#.net compact framework, Desktop application , web service
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Dear All,
I need to implement STRPTIME function in the Windows Mobile.I downloaded the wcelibcex-1.0 library as it was posted here.But it couldnot be run on Windows Mobile 5.0.Please help me to find a soution.This stands same for the gmtime() function and ctime.
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