I have database with 10.000 records. I would like to filter them by one field and show them in the DataGrid. As far as I know the fastest way is using DataView.RowFilter. Filtering with DataView.RowFilter takes me about 14 seconds in the test application and 24 seconds in the more complex app...more >>

My company is in the process of making an enterprise decision about which (if any) mobile devices to support. We hav a mixed bag of datasources to work with, including Lotus Notes, SQL Server, Microsoft Access, Sybase, Oracle... etc.... A big part of the workforce is constantly mobile, and it ...more >>

Hello, when deploying (F5) my Pocket PC Project in VB.Net a MissingMethodException raises. If I set a breakpoint in that line, no exception occurs and it works fine. Wath to do? Alfred Malleier ...more >>

I have used eVB to program a long line of PocketPC devices. My latest device is an xda II (PPC2003). Since It was stated that eVB would not offer support for this platform, I (reluctantly) blew several months software budget on VB .NET (Standard). On installation, this does not seem to sup...more >>

I am trying to move through a DataGrid to compare the first letter in the first column to enable a quick scroll-down method to the correct record in a large dataset using the input panel. In eVB, VB, etc this was fairly straight-forward... Now it is not. Has anyone here come up with an effec...more >>

THere is no event handler in .Net 2003 for Double-Click... I need to make a difference between selecting the grid and wanting to move to another for for details... Any thoughts, suggestions? I tried using the Timer to check if the clicks were within an acceptable amount of time, but it seems...more >>

How I can create a button with image in the menu bar next to menu? tx ...more >>

Hello All, Can some one tell me the basic difference between these three lock statements? ArrayList arrayList = new ArrayList(10); . . . 1. lock(arrayList){ } 2. lock(arrayList.SyncRoot){ } 3. lock(ArrayList.Synchronized(arrayList)){ } In which of all the...more >>

Hi gurus, I'm working with a treeview control to show a directory structure. Upon loading, I want to preselect one of the nodes in the treeview. My code sort-of works, the branch opens to the right node, but the node itself is not highlighted. I'm wondering if there's something I can do to ...more >>

I have a running thread and inside the Run() Method I have a little timer which uses Thread.Sleep like so: for (int i=interval; i>0; i--) { timerLbl.Text=i.ToString(); Thread.Sleep(1000); } Now this works fine with the full .NET framework but on the Compact Framework it just freezes my p...more >>

Does OpenNetCF.Serial support only binary data transfer? I've gotten some code from the OpenNetCF Forum and it only seems to support byte transfers. Even in a PC to PC, Hypertext transfer. I need it to do all types including Bluetooth and Compact Framework transfers. ...more >>

I've been trying to reach this site all day with no success. Are they down? --Bruce ...more >>

Hi Guys, I have a random question, i've been developing on CF quite a while an the first thing i notice was the disabling of printlines what do you guys do for debugging, I don't debug much so i've been using MessageBoxes which is kinda dumb I know some guys who write debugging files whi...more >>

I am planning on putting a user configurable file in \My Documents\Personal on the Pocket PC. I envision that the user would transfer the file to their desktop, edit it, and return it to the Pocket PC. Is this folder guaranteed to be there on every Pocket PC? Would there be a better place t...more >>

How can I trigger the datagrid scrollerbar event in my .NET CF app? ...more >>

I created a CF application that consumes web services over the Internet. When the device is in the cradle using ActiveSync, the application functions properly. All web services are called and return the correct values (no exceptions are thrown). When the device uses its' internal modem via C...more >>

Heya, There does not seem to be a way to Url Encode and Decode a string in C# on the CF. The closest thing I have is an Encode function from the .NET Compact Framework MS Core Reference book: public static string UrlEncode(string instring) { StringReader strRdr = new StringReader...more >>

Hi, i had the plan to load a black/white bitmap (or a gif) at runtime into a picturebox-control. Then i like to draw on it (i can draw on it with mouse-down/-move/-up events - works OK) but there's no "Loadbitmap" or "LoadFromFile" or something for picturebox or bitmap object... So, how ...more >>

Heya, Is there a way to determine the Client and Provider side ActiveSync versions from either the Desktop or the PocketPC? I'm attempting to automate system information for multiple PocketPC's and Desktops and it would save me time. ~~K...more >>

ActiveSync has a conflict resolution when data is changed on both platform (Ie.. desktop and device). The options are 1. To leave unresolved. 2. Always replace to device. 3. Always replace desktop. How does ActiveSync know when changes has taken place (on the desktop and the device).. I...more >>

Hello I enlarged the size of scroll bars to semplify the use of the touch screen for my application increasing the value of the following registry voices: cyHScr : Horizontal Scrollbars Height in pixels cxHScr : Horizontal Scrollbars Width in pixels cyVScr : Vertical Scrollbars Height in p...more >>

Hi, I have a custom control which contains another custom control. I am writting something like this: public LonLatDialog(int aWidth,int aHeight) { ... Controls.Add(mDropDownList); mDropDownList.Hide(); Focus(); } When I do this and I call Focus(). I would have expecte...more >>

Hi, One of my controls returns a graphics object.I need to get a bitmap object from this graphics object so that i can send it for printing to my printing api. Now does anyone know how to get an image/bmp from a graphics object? i am working in VB.NET CF. I will be thankful for any kind of...more >>

Hi, I have a bmp and i need to print it. Now the printing api that is provided by my client takes a one dimensional byte array. If i convert a bmp into a byte array using streams, it prints wierd caracters instead of the pic. How can i convert bmp into one dim array and get it printed? btw ...more >>

Have been working with a form for a long time. Suddenly I cant get into the "designer mode" but only the code view. The forms icon in "Solution explorer" has changed to a different look. Have I "messed up" something in the code, or is there a bug in the development environment? Someo...more >>

Hi, I'm using the Crypto API on my Pocket PC 2003 device, but when I try to run the same application in the Pocket PC 2003 emulator the Crypto API methods fails (returns an exception). Both are using the .NET CF SP1. Can someone please tell how to solve this problem ? Best regards, Mort...more >>

Does anyone know of a 3rd party combobox control that implements the MaxDropDownItems property from regular Visual Studio in the Compact Framework version of a combo box? I've got a working copy that I build myself based on the User Drawn List code available from opennetcf.org. But I've still ...more >>

Hi, first of all, thanks in advance for any help. Then, my assumptions (correct me if I'm wrong): - once I establish Blootooth connection, I can connect to PC using TCP/IP (and should also be able to use serial port, but let's ignore that) - on PC side, I can see that (Bluetooth software prov...more >>

Yeah, what the heck is up with tabbing through controls in SP2. We implemented tabbing between TextBoxes via their OnKeyPress events and this gets all confused with SP2, so I just tried using the "built in" tabbing functionality and it tabs amongst ALL controls... how can we stop the tabbing t...more >>

Hi all, This is a follow up from my previous problem: when trying to use Windows Media Player (via CFCOM) in a thread, I get a native exception (ExceptionCode 0000005). This is done on simply instantiating WMP. This only happens if I try this in a worker thread, if I do it within the main t...more >>

Does anyone know how to convert an Access database to a SQL Server for CE ....SDF? Otherwise if you know if there is a way to create the .SDF from XML that would help too. Thanks in advance!...more >>

We are having trouble getting bitmaps to display from managed code on our Windows CE.NET 4.1 controller. In the test application we use the PictureBox class with .bmp and .jpg files assigned at design time. The images do display fine in the emulator. On our controller we get an exceptio...more >>

Hi all I read in this group that to install the CF sp2 to a PPC I have to copy via ActiveSync the cabs files and then install it by a tap on the cab. I wonder if there is an automatic way to do it. I mean, when I run the VS2003 project VS automatically copies the CF files and install it t...more >>

Hi, I am writing an application for PPC that will need to be distributed remotely. My users have wireless Symbol scanners running Pocket PC 2003. I create the CAB files in .NET and have placed them on a web site. The problem is that when surfing to them with Internet Explorer from the p...more >>

i have implemented socket(async) program with pocketpc 2003 and vb.net. After PDA received a message from server, program show this message on MenuItem in Form. but when message is written on MenuItem, program freeze without any error msg i really don't know why. i spent almost a week ...more >>

Hi, Im in need of urgent clarifications regarding UDP comms, Ive a client requirement to ensure my app works to a UDP specification. Ive just read in MSDN that the "receive" method "blocks execution until it receives a message" What does it block? the application execution? the port? ...more >>

I need to access an XML that has a schema reference in it. It looks something like this: <ProductInfo xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation=http://xml.mydomain.com/schemas3/dev.xsd The problem is that the .NET CF does not support schemas, but I...more >>

Hi NG, why mouse-related events (like mousekeydown etc.) of a listbox seems not to be fired? Juergen ...more >>

Hello, I have an application that is written but must now be able to print a windows form. I tried the Fieldsoft PrinterCENet, but my device memory structure will not accomodate it. Does anyone have a VB PInvoke example. I'm afraid I've never used the PInvoke before and am having little s...more >>

Does anyone have an example (in C#) of how to generate a popup menu, when executing a tab-and-hold method? Best regards Morten ...more >>

I wanted to use OpenNETCF.Windows.Forms.HTMLViewer from http://www.opennetcf.org in my code but it only shows text and no images and there is no way to select links. question: anybody knows how to do images showing and links selection (I need with keypad in MS Smartphone, not w...more >>

Hello, I downloaded and installed the CF SP2, hoping that now I will get the KeyUp, KeyDown and KeyPressed events for ComboBoxes. But it appears to me that the installation program tries to update the CF just on the device and not also on my computer, as I still cannot see those events in the ...more >>

Hello, I am currently undertaking development for a Pocket PC 2003 PDA using VB.NET 2003. I have developed a VB.NET application under the .Net Framework that allows me to programatically download an image from a website and store it on my local computer. My problem is that I have not bee...more >>

Hello, I am currently undertaking development for a Pocket PC 2003 PDA using VB.NET 2003. I have developed a VB.NET application under the .Net Framework that allows me to programatically access an xml file from a webpage and load it into my dataset. My problem is that I have not been abl...more >>

Is there a way to shutdown and restart ActiveSync? I somehow lose the connection to activesync and I either have to unseat and reseat the PDA or kill (using task manager) and restart activesync. Is there a way to tell ActiveSync to try to reconnect? Does anyone have any code (VB) that would...more >>

The following entries from my INF file create the proper entries in the Start Menu and in the Programs folder of the Start Menu, but the shortcut in Windows\Help does not get created. [Shortcuts] Program Name,0,WA.exe,%CE11% Program Name,0,WA.exe,%CE17% Program Name,0,WA.htm,%CE2%\Help An...more >>

The CF treeview doesn't have a "sorted" property like the full .Net version does. What is the best method to sort a treeview in the CF? Thanks for any suggestions. -- ********************* Jon Rosenberg www.DeanForAmerica.com ...more >>

I am using rda to pull data from my PC's SQL Server database. My code works fine with an HP Ipaq 2210, but with a Dell X5, I am inconsistently getting an SqlCeException after some of the tables have been pulled. Some of the time, one or two tables are pulled successfully before the error occu...more >>

My application, written by c#, even system would be halt if I received data from serial port and open other form simultaneously ...more >>

Hello, I am developing a Pocket PC project on WinXP and Pocket PC 2002/2003 Emulator and a real Compaq PPC. After some days the project does not start any more. A MissingMethodException draws at the first line of form1. I made a copy of may source files and began to remove all the controls and Su...more >>