I'm calling the GetSystemPowerStatusEx() API in a class from a Timer object's Tick event hander about once every 30 seconds. The call itself works fine and I get back valid data however it always seems to return the same value until opening Start -> Settings -> Power, which somehow refreshes the ...more >>

Hi, I wish to draw a graph(line) in vb.net ppc, using a control rather than drawing lines, at runtime. How it can be accomplished? Using the Project --> Add Reference.. or some other way? Regards, Hari...more >>

On the desktop, I can create an AppDomain and then load an assembly into it -- and then create a component in that appdomain and get a reference to it. With the compact framework, I can create an AppDomain and launch an executable in it. How can I load an assembly into an AppDomain under...more >>

I want to open an IE window in my application in Compact Framework,how? Thanks a lot! ...more >>

I have an application running on a symbol device running PocketPC. This app work on a previous demo symbol device also running PocketPC, but after we purchased a new device we get a MissingMethodException on the following command: sql.SqlDataAdapter1.Fill(data) If I run in the emulat...more >>

Hi, I wants to find minimum hardware requirements(Ram size, Processor speed, HDD size..) for smart client (C# window) application. So how to identify the requirements? Any tools or techniques? Thanks, Nirmalan. ...more >>

HI NG! I have a big problem concerning the combobox in the Compact Framework. Is it possible to send the open ("dropdown") event to the combobox from a button? Thx 4 any help Werner ...more >>

Hi! If I have a combobox on a form, I then create a textbox which takes the combobox as an argument. The textbox uses the location and size of the combobox to define it's postion on the form. However, I am unable to get the textbox to be ontop of the combobox... This should be really simple...more >>

I just purchased a Compaq iPAQ 4155 Pocket PC. The OS Version is listed as "Windows CE 4.20". How can I tell which OS Service Packs are installed, specifically whether I have the .NET Compact Framework 1.0 SP2 installed?...more >>

hi all ! i need your HELP ! (it's long to explain but it's needed) i have a big problem (for me) with my APP/DLL i have made an Application with VB.NET for Compact framework that call an DLL written in eVC++ 4. the pb is i get a "First-chance exception ... Access violation" sometimes......more >>

Hi Has anyone found a generic way to retrieve the IMEI of a phone running PocketPC? Cheers, MikeS. ...more >>

I’m working on a quality control application using your Symbol 8800 unit, and I have run into a problem. The environment that we are working in is very noisy and the audio sounds that the unit makes are not loud enough to be heard. We have decided that we would try to use visual signals wh...more >>

Hello: Anyone knows how can I serialize a dataset, without using an XML, in a PDA to send it to PC? I want to reduce the parsing time I waste passing the dataset structure to a XML (and parsing it to recreate a dataset). If i could serialize it to bytestream and pass it througth GPRS to ...more >>

Hello; I'm developping a mobile application that, each 5 seconds, call a webservice that do data synchronization(over a wireless network 802.11b). After about 20 hours running, the application raises the OutOfMemory exception. I isolate the cause as the webservice call in the synchronizatio...more >>

This just appeared: http://www.microsoft.com/downloads/details.aspx?familyid=e0e66c77-dee2-4aba-9623-a3bfff434b5c&displaylang=en CF version number appears to be: 1.0.4292.0 Fixes made: This update addresses the following issues: a.. Transitions between managed and native code may cause me...more >>

I have built an app in C# that runs on a PDA. This application through its course builds a text file that I must later transfer to the host computer for processing by another windows application. I know that I can do this through activesync, however, because the file could become quite large I ...more >>

I am trying to write a simple serializer/deserializer for a set of objects/classes that I have. When I deserialize I'd like to write the actual variable name to my XML file but I don't know how to determine this at run-time. I know the standard XmlSerializer must do this because it writes the ...more >>

Is labels, chkboxes etc. with transparency available in the CF v. 2.0? Can't seem to find an answer to this in the archives or on msdn... regards, Peter ...more >>

Hello, I realize that MS doesn't support managed C++ on CF, but I was wondering if anyone could help a newbie out.... On the WinCE .NET Emulator, I'm running a simple C# form that calls a method inside a managed C++ class. That method uses new and delete to create and destroy an unmanag...more >>

Hello: I get an error like this while replicating throught GPRS: native error 28562 hresult : 80072EE7 this was the first time, but in a second one I get native error 28562 hresult : 80072EFD and from then 28557 with hresult 80004005 What about is it? what happened ...more >>

Hello all! Is there a way to upgrade the Visual Studio .NET 2003's WCE .NET 4.1 emulator to the WCE .NET 4.2 emulator? Cheers Alvin ...more >>

Hi Everyone: I have been researching for a way to dynamically add and remove assemblies to the CF GAC. There are several ways of doing this on the desktop GAC. But I have not come across any way on the CF. Any assistance in determining this will be much appreciated. The main idea behind doing...more >>

as in .net framework ,we can use new form2().Show(); this.Close(); to close this window and open a new,but it does not work in .net framework compact can u offer me a solution? ...more >>

Hello all, I'm manage to invoke pword.exe application from my PocketPC apps, however, I couldn't really set the properties of the opened document. I'm trying to set my the font size and font of the document but can't seem to find a way. If any of you people can help, it'll be great! This is...more >>

Is there a good way to (reliably) retrieve time on Pocket PC with resolution of milliseconds? I am implementing a stopwatch using the CF, and I have tried the following: (1) System.DateTime.Now and GetSystemTime (in coredll.dll) These always return zero for milliseconds. (2) System.Envi...more >>

Why am I getting the following error: "An unhandled exception of type 'System.FormatException' occured in mscorlib.dll" from this code: string[] medicationList = new string[14]; double[] parenteralValues = new double[14]; double[] oralValues = new double[14]; private void GetValues() ...more >>

Using a SQLCE database for an application, I want to force the application to compact the database prior to the remaining memory hitting a predefined threshold. How can I programmatically determine how much space is left on a compact flash card, and how much overall memory is remaining? Thank...more >>

I've a PPC app (Compact Framework) in which I send CPCL code a Zebra Active X control. This works great with a connected via serial cable between the printer and PPC. Labels happily print out. Now I'm trying to print from a Symbol 8800 with Bluetooth to a Zebra QL220 with Bluetooth. I've se...more >>

j ai ecris recement une dll sous c# utiliser pour des applications Pocket Pc; et je vouderai que avant de s'execute de fair une verifictaion si cette verification n'est pas valid de quiter la dll sans utiliser les fonctions internes. voici uune partie du code: using system; .... namespace Madl...more >>

I'm developing a .NET Compact Framework app in VB.NET that uses list-boxes and combo-boxes. I need to know how many items each control will hold. I've looked through the help but haven't found the answer. My own tests indicate the limit to be 1071 (for both controls). Does anyone else know...more >>

Hi all, In CF, if a ListBox has more items in its datasource than it can display, it automatically shows a vertical scroll bar. I have a need to detect when the scroll bar has been clicked by the user, either stepped by one using the arrow or stepped by a page-full, causing the list to change....more >>

Hi, I am using Web Matrix Project as .NET programming environment. Can you show me detailed steps how to import the .ocx library into the Web Matrix Project. I can't seem to be able to import other assembly than .dll, .exe or ..mcl . I am pretty new to the .NET programming environment, and ma...more >>

Hi, In my vb.net ppc application, there are 10-12 forms. I have provided buttons to go to all other forms from Form1. So, for example, when i want to go to Form2, using the form2.show method, i am displaying the second form. I am not hiding the Main form(form1). So always the main form...more >>

Some background...We develop an application that runs on desktop computers that may or may not have ActiveSync installed. If it does, and the user also has our Pocket PC version of the application, then we provide a way for users to transfer our specific type of data file backwards and forward...more >>

If so, where can I find info on this. I have looked and looked, but cannot find samples/examples of this. Brian Donovan-Smith. ...more >>

I have just received VS2005 beta which included CF 2.0. I have a Dell Axim X30 with Windows Mobile 2003 SE that has CF 1.0 SP2 ROM installed. Now, when I diploy CF 2.0 apps to the device do I have to uninstall the existing CF 1.0 from the device first or can they co-exist on the device ? ...more >>

We have a PPC app that generates reports and sends them out through email. We are using Alex Yakhnin's code (http://blog.opennetcf.org/ayakhnin/CategoryView.aspx?category=Send%20Email) to send email with attachments given the SMTP server. I am supplying the FROM and TO email addresses to thi...more >>

I just bought a new Axim x50v and tested my application on it - spent some time to fix the disappearing toolbar icons and other minor problems. However I can not find any information regarding the following problem: 1. I open a file located on a storage card using System.IO.FileStream. 2. Rem...more >>

Hi, I have a ruggidized handheld, that came with our landsurveying equipment, running WinCe.net 4.2. The manufactor does not support writing additional software. I want to explore if it is possible to write my own data collecting routines. Normaly I should do this in Delphi but Delphi does...more >>

I have installed my development environment on a new laptop. However, I cannot seem to connect to the device through Visual Studio. ActiveSync (3.7.1) connects fine. I can copy things back and forth. However, even though I've chosen the right architecture, Visual Studio does not see the device ...more >>

Hello, since today i've a huge problem with my Pocket PC 2003 Emulator. I'm using the emulator with Visual Studio .NEt 2003 to debug a application. When i start debugging my project is build properly, all the data is copied via active sync 3.7 to the emulator... the the message applcation star...more >>

Can I connect to some web service located not on my computer from Pocket PC Emulator? I have no problem when connecting to web service located on my computer. ...more >>

Hello, I work with VS-2003 Enterprise Architects on WinXP with a IPAQ 1940 and have a Problem with install the compactframework. Have somebody I litle guide? with greetings Alfred...more >>

Hi I have a problem debuging my app on the acctual device. Here is my build info: ------ Build started: Project: IntelliDemo WINCE, Configuration: Debug Windows CE ------ Preparing resources... Updating references... Performing main compilation... The project is up-to-date. Building sa...more >>

Hi ! I am trying to find if the RTP stack code is available in CE5.0. In the help, it is told that I can replace underlying layer (SIP, RTP) but it is not stated if I can modify the existing stack or not. Does anyone know where I can find the source code. I have looket at \WINCE500\publ...more >>

This is a multi-part message in MIME format ------=_NextPart_000_41603535 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I can swear that I saw a posting about how to bind selected columns of a datatable to a Grid. I searched in every possible way and coul...more >>

If I close and re-open a project it comes back with solution explorer missing the view desinger for the forms that I created in vb.net. Thanks in advance Otto ...more >>

Dear all, I 'm buidling an internationalized application (Dutch and French) using a resource file built with CFResGen.exe. Problem: The french characters "é, è, ç..." are disappeared when reading the resource file with the resource reader object. Even in notepad, I can see that the characters...more >>

Does anyone know how to make a workaround for the missing 'OverwritePrompt' in SaveFileDialog? I have an application where the user aren't allow to overwrite existing files but only to append to then. Thanks, Ole ...more >>

Hi all, Let me lay this out: OBJECTIVE To get my iPaq 2215 to receive signals from a consumer infrared device (e.g. a remote control for a stereo) and then do stuff with the signals. NOTES - I understand that the IR port on my iPaq is IrDA and not plain old IR - I am not trying to use...more >>