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all groups > dotnet compact framework > august 2004

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Windows CE 5.0
Posted by Michael--J at 8/31/2004 10:47:02 PM
Hello, I've upgraded from 4.2 and having quite a bit of trouble getting things to work in 5.0. I am writing an app in C# which uses the Serial class from opennetcf.org. This app will run on an x86 device and basically displays in a text box any characters it receives from a PC. When i have...more >>


DataGrid question.
Posted by Eduardo S.E. de Castro at 8/31/2004 10:10:53 PM
Hi, does anyone know how can I create a datagrid where lines can have distinct text colors? Example: first line = text red; second line = text black... Thank You, Eduardo Castro - MCSA/MCP ...more >>

shutdown device with C#
Posted by Joshua T. Moore at 8/31/2004 8:50:04 PM
I need to be able to shutdown a CE.NET device using c#...anyone know how? Thanks. ...more >>

KeyPreview?
Posted by Kim D at 8/31/2004 6:24:08 PM
Help please!!!! How do I keypreview with compactframework? There is no form property = for this. I need to capture barcode scanner input. . Kim...more >>

Using USB from NEt CF ??
Posted by Enrico Pavesi at 8/31/2004 4:12:41 PM
Is there any API to open/use the USB port on PPC/WIN CE device?? What i would like to implement is a direct communication between PPC and Wince (no activesync) Thanks for any hints ...more >>

Forms Slow down after 50 devices!!
Posted by Jay at 8/31/2004 1:52:25 PM
Hello, I have written an windows forms application to test devices with a scanner. Initially it brings up the device testing form under 3 seconds. After testing say 50 devices it starts to crawl. It can take as much as 40 seconds to bring up the devicetesting form. Device testing form has ...more >>

Socket Disconnect
Posted by MDB at 8/31/2004 10:52:06 AM
Hello All, I am using the below code to create a socket connection via wi-fi to another device. The problem is that if the device I am connecting to losing power and reboots I lose the socket connection however, my device dosn't know it was dropped and dosn't receive any type of error when it ...more >>

Registry on storage card?
Posted by Jon Skeet [C# MVP] at 8/31/2004 10:02:16 AM
I'm sure I've seen something somewhere about a part of the registry which is stored on the storage card, and so will survive hard resets, just like the "\Storage Card" part of the file system. I can't find it now though - can anyone shed any light on this? -- Jon Skeet - <skeet@pobox.com>...more >>



Received/sent bytes
Posted by Tod Johnson at 8/31/2004 9:54:01 AM
Hi, In my application I've used RAS to establish internet connection (via GPRS). Is it possible somehow to count the number of received/sent bytes? Thank you, Tod...more >>

What to use for developing apps for XDA / MDA
Posted by johannblake NO[at]SPAM yahoo.com at 8/31/2004 3:39:14 AM
I'm rather confused on what developers are able to use for developing applications running on mobile phones like the XDA or MDA where Windows Mobile 2003 is the operating system. Furthermore, what is the exact name of the operating system running on these types of phones. I see people referrin...more >>

Datagrid does not update
Posted by Koen at 8/31/2004 2:45:51 AM
Hi, We have a master detail form for pocket pc 2003 (we're using VS 2003) that show orderlines in a datagrid and order details in a custom form on one screen. When we make a change in the detail form, we would like to update the datagrid that shows all orderlines. However, this datagri...more >>

Developing an Application.
Posted by Pooja at 8/31/2004 2:33:03 AM
Hi, I wanted to develop an application that runs on both Palm OS as well as Windows CE. The application would be downloaded over the net by users. So, it needs to be very thin. Can you plz suggest a common platform for developing this application so tht i don't have to develop two differen...more >>

Intermec cab files innstallation.
Posted by Thore Berntsen at 8/30/2004 7:31:00 PM
There are probably lot of people on this newsgroup that are working with Intermec 700 mono and color terminals. Perhaps one of you can help me with this problem: Intermec has it's own system for installing CAB files after a coldboot. When we write an application for CF then it's important that...more >>

Memory profiling
Posted by Duncan Mole at 8/30/2004 6:58:39 PM
Hi, Is there any way to check memory allocations? I am losing memory and can find no way of tracking down why, it may be an outstanding reference but I can't see it. Any suggestions? Cheers ...more >>

Pocket PC Phone Edition
Posted by James at 8/30/2004 5:53:03 PM
Hi All. What is the difference between the Pocket PC 2003 and Pocket PC Phone Edition? Can my Managed Code application run without change on the Phone Edition device? Thanks,...more >>

ControlBox's X vs me.close()
Posted by Wapiti at 8/30/2004 4:24:41 PM
It appears to me that me.close() will completely kill the application, while the controlbox's X button only hides the program. Is this correct? If not, could I be possibly causing this behaviour inadvertantly? If so, why? And how can I make it completely kill my program when the user clic...more >>

Hello. I am using Emulator to test my application written on .NET CF
Posted by Ray at 8/30/2004 4:05:54 PM
I found that it works very slow on emulator, the drawing of controls and other windows is to slow... I wonder if it is only an emulator's problem and on a real device the application will work fine or I MUST to optimize drawing in my application.... and also... If there is a way to use do...more >>

ThreadPool
Posted by Thore Berntsen at 8/30/2004 3:56:46 PM
Is there any way I can get how many threads that are running in the threadpool? Thore Berntsen ...more >>

SharpZipLib question ...
Posted by temilson NO[at]SPAM sasktel.net at 8/30/2004 3:43:08 PM
Hi: I'm sure this is very simple, but I can't figure it out. I have a string value in vb.net that I want to 'compress' before sending it over a socket connection. How can I do this using SharpZipLib without saving the string to a file? Is this possible? Basically I want to do somethin...more >>

Missing Bluetooth Samples
Posted by Steven Licciardi at 8/30/2004 3:19:52 PM
I am trying to find the bluetooth examples referenced in the Smartphone 2003 SDK help. It says the samples are located in : %_WINCEROOT%\Public\Common\Oak\Drivers\Bluetooth\Sample But I cannot find them, does anyone know where they are or what I have to install to get them. Thanks, St...more >>

Converting TextBox control to TextBoxEx
Posted by Wapiti at 8/30/2004 2:52:40 PM
I've installed the OpenNETCF extended controls - and would like to convert all of my textbox controls to TextBoxEx. Per a previous suggestion by Peter Foot, I added a reference to OpenNETCF.Windows.Forms to the project (tried both the Imports and Add Reference under the Project menu). Then ...more >>

SQLCe price
Posted by Finn J Johnsen at 8/30/2004 2:49:45 PM
Hi how much does (aprox) SQLSe cost? Where can it be purchased? thanks, Finn J Johnsen...more >>

Play backgroung music?
Posted by Arvind at 8/30/2004 12:55:22 PM
Is there any way to play the WMA / WAV files as the background music when my application is launched?? -- Thanks, Arvind -- "eRiva Systems" - Where Technology Meets Life, Every Minute. arvindr@erivasystems.com www.erivasystems.com ...more >>

Compatibility
Posted by Emerson at 8/30/2004 12:29:00 PM
Is there a way to know what classes runs on CF and what not? Emerson ...more >>

on disk dataset
Posted by Finn J Johnsen at 8/30/2004 11:38:50 AM
is it possible to work with a dataset -table in a way that doesn't load the entire content to memory? My reason for asking is large amounts of data in the table....more >>

using foreach Vs for
Posted by Ofer B. at 8/30/2004 9:16:16 AM
Hi all, I have 2 examples, when to use "for" and when "foreach". In "example 1" we are using a simple array and the foreach loop the is faster than the for loop. In "example 2" we are using ArrayList and the for loop is faster than the foreach loop. The "TestOptimize()" is faster than the ...more >>

IP release & renew
Posted by gabu2000 NO[at]SPAM tin.it at 8/30/2004 7:11:00 AM
hi all, i need to release and renew the IP address... (using VB.net) so i look in the newsgroups, and everybody talking about a AdapterInfo.zip file from www.alexfeinman.com, but the site is down... so i'm asking: does enybody have information about the file? or any other suggestions for me? th...more >>

Wanting source code for developing a sms application using eVC++ in smartphone
Posted by seeta seeta at 8/30/2004 2:45:07 AM
*** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!...more >>

Device Emulator problems vith VS 2005 B2
Posted by Martin Kubecka at 8/29/2004 11:28:59 PM
I just have "deploy failed" to Emlulator using VS 2005. Deplou to "real" Pocket PC is OK. Do you have same experiences? Or problem on my side? Thank you Mac ...more >>

Some simple SQL CE replication sample requested
Posted by Martin Kubecka at 8/29/2004 11:26:30 PM
Hi all, I'm just really novice with .NET and Compact Framework. I just want to try write little app for offline collecting data using Pocket PC and merge them over internet to server. Just one simple table for begining. Do you somebody have some working example? Thanks a lot Mac P...more >>

Copy from Emulator
Posted by Dave at 8/29/2004 11:24:55 PM
How do I copy file from PPC Emulator 2003? ...more >>

Deploying to many PPcs
Posted by Earl at 8/29/2004 8:31:22 PM
I've read a lot of articles on how to do this but none that really makes it any easier, but was curious if there is a standardize way of deploying a ..Net CF app that use SQLCE to a lot of PocketPCs (20-50)? ...more >>

Host synch
Posted by moko at 8/29/2004 4:28:05 PM
How does one usually synch a Pocket PC to a internet based server ? Is it 'ActiveSync' to a local desktop, which then synchs the data to the server ? Or is there any other alternative ? ...more >>

SoapException
Posted by Dan Diephouse at 8/29/2004 4:16:06 PM
I have been developing a web service for use with the compact framework. When I invoke it I get the following message: An unhandled exception of type 'System.Web.Services.Protocols.SoapException' occurred in System.Web.Services.dll However, when I invoke the same service with the .NE...more >>

Authentication in Smart Device apps
Posted by moko at 8/29/2004 12:59:18 PM
I guess Smart Device applications do not usually have a login and authentication pattern as in larger systems. How does the server authenticate / authorize the synch with a handheld in such a scenario ? ...more >>

App.Exit
Posted by PCH at 8/29/2004 11:40:05 AM
I have a class that is loaded from the main form. And if certain req's are met, it needs to close the entire program. I am using the Application.Exit command, but it seems to ignore it! it keeps executing other code after its been called. Is there any way to force the program to close down?...more >>

Thread Form
Posted by PCH at 8/29/2004 11:38:39 AM
I have a main form that loads and stays open. I have 3 other forms that I want to open, which each do various displays / tasks. Each has 1+ timers on them as well. I'm worried that the timers will overlap and will execute code at the same time.. degrading each other performance. I was th...more >>

inheritance from own class
Posted by Tomas Munch via .NET 247 at 8/29/2004 3:39:51 AM
Hi I got a problem with the Microsoft Visual Studio .NET 2003 and the compact framework. A try to inheritance from System.Windows.Forms.form in my own class, and the inheritance from my own class in my form But this failed after an reopen of the project. I have made a short step by step ...more >>

Copy to Emulator
Posted by Dave at 8/29/2004 1:38:01 AM
In which folder must I paste the file for copy it to PPC Emulator 2002 (was installed with the default paths)? ...more >>

Pocket PC Versus Windows CE
Posted by moko at 8/28/2004 6:35:21 PM
If we had to develop a .NET Smart Devices application, what are the pros and cons in choosing between Pocket PC OS, and Windows CE ? This may be an age-old question, but hope somebody has the patience to explain. ...more >>

Application Hangs
Posted by Christian Westerlund at 8/28/2004 11:46:34 AM
Hi! I've done an application that my client says hangs after it has been running for a couple of weeks. I have two extra threads of which one saves to file and one reads from a serial-buffer. I've been really careful and used lock mechanisms for variables and used Invoke for UI-manipulati...more >>

Emulator and TAPI
Posted by Dave at 8/28/2004 9:50:15 AM
Is it possible to program (and testing) TAPI and Serial Ports on VS .NET 2003 Emulator? ...more >>

DBF to SDF
Posted by burn_mcdonalds NO[at]SPAM hotmail.com at 8/28/2004 9:50:14 AM
Alright, I have a few look up tables in dbf format which are used in a desktop application. Porting this app to the .net compact framework has been ok but i wish to use these dbfs since they contain 100 records which i dont really want to have to enter again. Is there any way i can use (or co...more >>

saving to a file.....HELP
Posted by samsam at 8/28/2004 6:29:01 AM
how can i save to a file an image i retrieved from the web through werequest .... pic = new bitmap(stream) i want to save pic to a jpg file.... and how can i display the content of a folder on a form..... using listview or can i run the file explorer this is needed very urgently...than...more >>

A bit of fun!
Posted by Thore Berntsen at 8/27/2004 10:39:15 PM
Ok, I know this is a bit of topic, but take 10 minutes and watch this cool video and se what Windows CE is used for: http://channel9.msdn.com/ShowPost.aspx?PostID=10924 Thore Berntsen ...more >>

Hardreset on emulator
Posted by Wernfried Schwenkner at 8/27/2004 7:22:09 PM
While still having the problem not able to deploy a simple application (just created with the wizard) to an emulator, I will try to do a hard reset on the emulator to enforce the newly download of the compact framework. How can this be done? "Reset" in the emulators menu seem to be only a so...more >>

finding a memory leak
Posted by Duncan Mole at 8/27/2004 4:37:45 PM
Hi all, Are there any tools out there like CLR profiler to help identifiy non reclaimable memory in the compact framework. I am trying to track down a problem and it is driving me potty Thanks ...more >>

Get HWND from ToolBar
Posted by Andreas Selle at 8/27/2004 3:32:09 PM
Hi, I know the FAQ and tried it using GetCapture. However { aControl.Capture = true; } does not work, the Capture property remains false and the native GetCapture returns zero. The very same code works with other control types well. Any alternative suggestions? BTW: I try to get the HWND...more >>

.net cf 2
Posted by Neko at 8/27/2004 3:06:45 PM
Hi there, Is it possible to run a smart device Application with .net cf 2 on a Windows CE 4.2 Device? Thanks for any information. Neko ...more >>

Camera on Smartphone 2003
Posted by fhunter at 8/27/2004 1:51:01 PM
I would like to take advantage of the camera in the new Mpx220. Any ideas of how to even get started with this? All we need is to capture the image. Are there any camera APIs for this phone available (free)? Or should we stick with J2ME ? ...more >>


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