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- Previous
  - 1
    - multiple panels, Send to Back Hi, I am developing a simple CF.NET as a learning exercise. I want to have multiple pages for a user to input basic information, then to save to disk for later processing. Each page will have back and forward buttons, the final page will clear the fields on preceeding pages and put the user back to the first page for a new user. I've tried using multiple forms, since then I've found panels which I'm assuming is the more efficient or better design? How can I be sure that a component such as a Label or a Textbox is attached onto a Panel? I tried to attach a component to my 3rd panel, but when I run the application a component is on the wrong page. I have been right-clicking on the panel and then 'Send to Back' to view other Panels. Since adding a 3rd and 4th Panel, the 'next' button (one on each panel) has stopped navigating to the my next intended panel, instead on the 2nd panel it now jumps to the 4th. I also cannot view one of my earlier panels, and don't know how to Bring to Front as I cannot see it to right click on it. All these problems seem to have stemmed from Send to Back and Bring to Front. Any advice would be greatly appreciated. TIA. Regards, Joe. Tag: Transo, bmp or icon from emb.resrs Tag: 56800
  - 2
    - SQL-CE on Win CE .net 4.2 Hello *, I have a system with Windows CE .NET version 4.2. Now I need the SQL-CE-application (database "server" and client) I installed the CAB-file from the Visual- Tools 4.0, like I used to on CE 4.1. But unfortunately its not working. The file explorer still dont recognizes SDF-files and when I try to start isql, I get an "isql is not a valid CE-application" (I had to translate this message for you, I have a german system) My system was build with the PlatformBuilder (but not from me), maybe its missing something? It contains two DLLs in the windows-directory, named something like sqlce* and I was told, this should be the SQL-server. But like I said: Its not working. The point is, I have to write an application on this device. In the emulator (CE 4.1) everything is working fine, on the device I get an "TypeLoadException" every time I try to reach the database. Any ideas? Tag: Transo, bmp or icon from emb.resrs Tag: 56797
  - 3
    - DirectX Devices Does anyone know of any devices that will be able to use the managed DirectX in the CF 2.0, who will make them when they might be available. Is it going to be years before I can get a PDA capable of using DirectX? Just wondering if anyone has read or heard of anything? Tag: Transo, bmp or icon from emb.resrs Tag: 56796
  - 4
    - BitmapEx from Bits I was looking at the BitmapEx, GraphicsEx files in OpenNetCF. They seem to do the job of using native functions for drawing. Is there a way to create a BitmapEx from a byte [] in memory containing jpg bits? In other words, some equivalent to new Bitmap(MemoryStream );? If not is there a suggested way to do it? Nathan Tag: Transo, bmp or icon from emb.resrs Tag: 56792
  - 5
    - Fragmentation of FAT filesystem on flash disks. I'm have an application that has been running on Intermec 720 terminals with Pocket PC 2000 for 3-4 years now. I store the database and the datafiles that this application generates on a flash disk card. My problem is that this application is now much slower than it was before. We have traced this problem to a very fragmented filesystem. When we defragment the flash disk with StorageTools from SoftWinter the application get's it's speed back. We could of course buy this program for all teriminals we have out in the field. (I think it's 400-500 spread all over Norway). But it's not a very realistic to think that the users of our program will be able to run it them self. So the best solution is to let our program do it. Does anyone know if there is any defrag API or program that I can use/call from my application. Regards Thore Berntsen VBD Norway Tag: Transo, bmp or icon from emb.resrs Tag: 56787
  - 6
    - .NET CF Install Hi, I am developing a project with VB .Net using Symbol PDT-8100 Pocket PC. In Visual Studio .Net, when I am trying to Debug my project, every time netcf.core.ppc3.arm.cab and System_SR_enu.cab copied to Pocket PC and load again and again. Altuough .Net Compact Framwork installed on it ,Pocket PC did not recognize its installation. And I have an error like â??type load exceptionâ?? when I try to use my application running on Pocket PC. How can I solve that problem. Thank you for your help. Best Regards, Ä°lker TUNCA Tag: Transo, bmp or icon from emb.resrs Tag: 56786
  - 7
    - Killing a sleeping thread I'm running a keepalive thread on one form in my application to prevent the device from suspending. It works fine except for the way I end the thread. I created a bool that is checked on every iteration of my keepalive method. When I set the bool to true, the thread exits. The only problem is that I have to wait for the thread to stop sleeping. Is there a way to either wake the thread or just kill it while sleeping. Thanks Rob Tag: Transo, bmp or icon from emb.resrs Tag: 56783
  - 8
    - "My Company" name The way that I generate the CAB file for the mobile app is to right click on the project and select "Build Cab File" and this works fine. Now if the CAB file is deployed for the 2nd time, after an upgrade, etc, the device asks the question "My Company <app name> is already installed. Re-install?". Obviously instead of "My Company" one wants the true company name to appear. I've searched high and just can't find where the company name is set. Thanks. Tag: Transo, bmp or icon from emb.resrs Tag: 56771
  - 9
    - VB.NET CF MVPs? Are there any CF MVPs that primarily use VB.NET and if so do they have a blog or other resources....I was all rerady to switch to C# do to the Tsunami of C# code samples from MVPs and Microsoft. Then my buddy Carl Franklin "adjusted" my thinking.....and I'm still using VB.NET - but a lot of the more advanced stuff seems to be in C#. TIA Harry Tag: Transo, bmp or icon from emb.resrs Tag: 56764
  - 10
    - More standby problems I am altering the registry key to change the standby settings, this now works fine, when I look at the settings on the PDA, the PDA appears to have acknowledged the change. In the test case I change it to go into standby (on battery) in 1 minute. The PDA however, does not go into standby after 1 minute but waits for 3 minutes (the previous setting). So I do a SendMessage (see below) which returns a 1, the PDA still takes 3 minutes to go into standby. What am I doing wrong? Private Const hwnd_broadcast As Integer = &HFFFF Private Const wm_settingchange As Integer = &H1A ''a is one here Dim a As Integer = SendMessage(hwnd_broadcast, wm_settingchange, 0, 0) Public Declare Function SendMessage Lib "coredll" Alias "SendMessageW" _ (ByVal hwnd As Integer, _ ByVal wMsg As Integer, _ ByVal wParam As Integer, _ ByVal lParam As Integer) As Integer Tag: Transo, bmp or icon from emb.resrs Tag: 56761
  - 11
    - Services.exe Due to the limitation of 32 processes on the ppc platform, I would like to run my application not as a process but as a service. This means that a "dll form" of my application would have to be linked to services.exe. Does anyone know this is possible and even how this could be done? Miguel Tag: Transo, bmp or icon from emb.resrs Tag: 56755
  - 12
    - Barcode error MissingMethodException Hello Everybody i am trying to deploy a application on handheld i have installed intermec .NET SDK and i am using the BarcodeReader There is no error in the coding but when i run my application on the pda an error message occurs MissingMethodException on the initialization of the barcode reader here is the code i have written ************************************************ 'In the variable declaration Friend WithEvents br As Intermec.DataCollection.BarcodeReader 'After initialzecomponents() br = New BarcodeReader br.ThreadedRead(True) 'in the functions Private Sub myreadtest(ByVal sender As System.Object, ByVal e As BarcodeReadEventArgs) Handles br.BarcodeRead MsgBox(e.strDataBuffer) End Sub ************************************************ The error occurs on the br = New BarcodeReader can anyone helps me on that Tag: Transo, bmp or icon from emb.resrs Tag: 56753
  - 13
    - Learning the Version Of the DLL's or EXE's Hi. I wonder if it is possible to learn and read the version of a file which is locating in any partiton which has a extension of ".exe" or ".dll" Tag: Transo, bmp or icon from emb.resrs Tag: 56750
  - 14
    - anyone help out here?? Does anyone know how it is programatically possible to move/dock the start menu bar from the top, to the bottom of the screen? thanks, Paul Tag: Transo, bmp or icon from emb.resrs Tag: 56749
  - 15
    - Design Patterns Hello, I am new to .Net compact framework. Can any one tell me that are there any Design Patterns or Best practises that are followed while designing for smart devices. Thanks, Reshma Tag: Transo, bmp or icon from emb.resrs Tag: 56748
  - 16
    - Building Installation Package for CF 2.0 Solution... Am really excited to be working with CF 2.0 and VS 2005!!! With help of many people from this newsgroup, was successfully able migrate large CF 1.1 app to 2.0. Can anyone point me to info on how to build an installation package for our app so that we can deploy to test users. Have seen Msoft marketing literatue saying that 2.0 greatly improved task of building install packages. Thanks in advance! Tag: Transo, bmp or icon from emb.resrs Tag: 56740
  - 17
    - Formless apps possible? I want to write an app that starts listening to a serial port when launched, but otherwise doesn't present any UI. When certain data is detected on the port I'll popup the first form. The Application.Run() with no args doesn't seem to be supported in CF v1.0. I thought of doing a normal form load in the .Run method, whose Load does an immediate Hide, but is there some more recommended way to design this sort of "formless" (at least at first) app? Probably later on I'll have a Today screen icon which when clicked brings up that first form, but it seems like it's the same issue - what do you "run" in App.Run? -- Tim Johnson High Point Software, Inc. www.high-point.com (503) 312-8625 Tag: Transo, bmp or icon from emb.resrs Tag: 56737
  - 18
    - DataGrid ArgumentOutofRange Exception I have a DataGrid in my application that is bound to a custom collection of business objects. The collection inherits from CollectionBase so is bindable. My problem occurs when I remove an item from the collection. After the removal, any time I click on the grid, I get an un-catchable ArgumentOutofRange exception. I tried a few workarounds: 1. Before removing an item from the collection, I set the DataSource of the grid = Nothing. Then I removed the item, set the DataSource back to the collection, and called Refresh. This caused the grid to re-display with the removed item gone, but as soon as I clicked on the grid, I got the exception. 2. I added an IBindingList implementation to my collection and set SupportsChangeNotification to True. I raised the ListChanged event in the Add and RemoveAt methods of the collection. This caused the grid to update correctly without resetting the DataSource, but I still got the exception when clicking on the grid. By the way, I get the exception whether or not there are any event handlers attached to grid. Any advice would be appreciated. Thanks, Sean Carpenter Tag: Transo, bmp or icon from emb.resrs Tag: 56717
  - 19
    - Registry Strangeness I am using : RegSetValueEx(hKeySub, value, 0, KeyType.DWord, New Byte() {0}, 1) on registry value: System\CurrentControlSet\Control\Power\Timeouts\BattSuspendTimeout to set the "Turn off device if not used for" field to 0 for the battery to prevent the PDA going into standby. This function sucessfully changes the regsitry value to 0 (seen when I look in the eVC++ remote registry editor). When I go into the Settings on the PDA however (menu Start, Settings...), I see the setting to be 5 minutes rather than zero??? If I repeat the process, but set the value to 0 using the registry editor rather than my application everything works fine. Any ideas? Tag: Transo, bmp or icon from emb.resrs Tag: 56716
  - 20
    - OpenNETCF.Diagnostics in 1.4 I have tried the steps listed in the OpenNETCF forums, but I can't seem to get the eventlog items setup right. From the forums it appears that I will have to multithread the app, no problem, but there aren't any good examples that I have seen for creating an XML (or even text) based eventlog. I'm probably just missing something... If anyone can point me at resources that can help me figure this out, I would greatly appreciate it. Z Tag: Transo, bmp or icon from emb.resrs Tag: 56715
  - 21
    - DirectX vs GAPI I am beginning work on a .NET compact framework application that will target Windows Mobile 5.0 and above. The application is 2D graphics intensive and GDI is not really fast enough. We were thinking about using GAPI or DirectX, but that led to other questions. 1) Is GAPI dead now that DirectX is going to be released with Windows Mobile? What I am more worried about is that GAPI will not be hardware accelerated in future products, because all they will worry about is DirectX? 2) Printing - I know the compact platform does not really support printing, but for this project we are required to talk to printers via wirelessly. Yao talks about this in his book, but is there anyway of drawing to a printer dc using GAPI and DirectX? Any thoughts on the above questions would be appreciated. -- Thanks, Juan Tag: Transo, bmp or icon from emb.resrs Tag: 56714
  - 22
    - Firma con lapiz Hola grupo!! Me gustaria saber como se puede escribir con el lapiz de la Pda en un texbox. Es para hacer la firma del usuario. Gracias. Tag: Transo, bmp or icon from emb.resrs Tag: 56708
  - 23
    - lkj lkj Tag: Transo, bmp or icon from emb.resrs Tag: 56706
  - 24
    - lkj lkj Tag: Transo, bmp or icon from emb.resrs Tag: 56705
  - 25
    - lkj lkj Tag: Transo, bmp or icon from emb.resrs Tag: 56704
- Next
  - 1
    - encrypt decrypt xml I am wanting to encrypt an appsettings xml file (as text in a text file whatever) and decrypt it in my application. I know the cryptography namespace is lacking and MD5 wont work. Does anyone have a good solution for this? tia Rob Tag: Transo, bmp or icon from emb.resrs Tag: 56700
  - 2
    - Printing Api Does any of you know how to wrap classes (like PrintDocument) in the Compact framework? Any help would be appreciated Thanks Tag: Transo, bmp or icon from emb.resrs Tag: 56699
  - 3
    - Help on debugging application after release Hi all, We have written an application for Windows CE .NET whose data will be very important and cannot be lost. During on-the-road testing, we had a couple of unhandled exceptions occur, and the exception did not happen every time the same operation was carried out, so it is difficult to know why it happened, especially as it was a user relaying the information through someone else to me, and one cannot be sure of the reliability of the information. The problem is that if an unhandheld exception occurs, there is no information about the exception shown. I was thinking of using log files to log exception error messages and types (even though the line number is not accessible in the Compact Framework), whenever an exception occurs. I could enclose try blocks around all SQL operations, as these seem to be a likely place for exceptions to occur. In this case I could also write the SQL statement to the log file, which would do a good job of identifying the possible location of the error. The problem is how to catch the other exceptions. In Visual Basic (which I used to program in) in every function one could put a "On Error Goto ErrHandler" statement at the top, and then at the end put error handling code where code for writing the error details to a log could be put. I suppose that to at least find the function in which the error occurred, I could in every function enclose the code in one big try block, and put the catch at the end, but would this in any way affect performance? Also I feel that this is not good programming style, is this correct? I have not been programming in C# long. Are these the only options open to me? What is the best way to use try blocks to catch exceptions when you want to be able to catch all exceptions and find out where they occurred? I understand that there may be a bug in the code that will only manifest itself when in the complex working environment, but I would feel better about it if I could be relatively sure that the first time an exception occurrs, that I could be reasonably sure about having enough information to fix it. It worries me that we might be in the dark and helpless to effectively fix these problems. Is anyone else in this situation; does anyone know the best way to approach this? I would sincerely appreciate your help. Best regards, Jonathan Dudley Tag: Transo, bmp or icon from emb.resrs Tag: 56698
  - 4
    - Conect menu not showing I have a context menu on a grid it works in the WinCE simulator when I right click on it, but does not show when I hold the styles down on the grid, nor does it work on the form. What else should I be doing. I have some code in the GotFocus and currentcell changed but after commenting that out it still does not work. This is what I did when I coded for the Pocket PC and it worked fine. I am using VS2003 the device is a Symbol MC3000 with Win CE 4.2. Thanks Tom Tag: Transo, bmp or icon from emb.resrs Tag: 56697
  - 5
    - bluetooth communications Dear all, Is it true that bluetooth can handle simultaneous communication among multiple devices. If yes, in what way how it should be implemented. I understand that virtual serial ports will be used for communications with another devices. So if Device A wants to communicate with Device B, C , D , E , 4 virtual ports are to be setup ? Is there any limitation of the number of devices can be connected ? Thanks. Tag: Transo, bmp or icon from emb.resrs Tag: 56696
  - 6
    - form formborderstyle none I've set the formborderstyle to none, but I would like almost a black flat border,is possible? Tag: Transo, bmp or icon from emb.resrs Tag: 56695
  - 7
    - combo I have a combobox , but the items are dinamically get from a db. Sometime the width is too short. How can I set the width based on the string width of the max item? Can the combo beacome larger automatically or give a tooltip? Tag: Transo, bmp or icon from emb.resrs Tag: 56693
  - 8
    - USB File System Hi Folks. I'm using windows ce 4.2 in a custom device made for us. I'm trying to read data from a USB Flash memory, but I can't find a way to map to some directory. Does anyone of you know how to achieve this? Having the capatibilty of a plug and play when the cartridge is inserted would be fine. Thanks, -Rodrigo Tag: Transo, bmp or icon from emb.resrs Tag: 56691
  - 9
    - Passing X509 client certificates to SSL Web Service Hi. I'm using Windows CE.NET 4.2. I need to invoke from my device, a SSL Web Service that requires a X509 client certificate. However, the SoapHttpClientProtocol class doesn't support the property Certificates available in the full framework. Does any one of you know how to handle this Thanks in advance, -Rodrigo Tag: Transo, bmp or icon from emb.resrs Tag: 56690
  - 10
    - Custom Control - how to call another class's validation method I have built a custom control where I now combine the features of both a ComboBox and TextBox for the Compact Framework. One of the features of the TextBox is to validate user input on the TextBox component when it loses focus. Since this custom control can be used by a number of different classes, each class is likely to have a different validation method name. How can I pass the validation method's name to my custom control so that it can run that method inside the custom control when the TextBox component of my custom control loses focus? Further, my TextBox's LostFocus event already calls a event handler inside my custom control to do some other things so I want to be able to call the external validation method from inside that event handler. Regards, Neville Lang Tag: Transo, bmp or icon from emb.resrs Tag: 56689
  - 11
    - Icon Size and format Hi All, I am using VS2003 and am trying to work out what the format of an icon should be for may app. If I use a 32 X 32 icon then only a quarter of it shows up in the File Explorer. If I put a shortcut to the app in the Start Menu then the background is not transparent. Does anyone have any ideas/links to how to set up icons for PocketPC apps? Also should the icon be included in the project or just indicated in the Project/Properties box? regards Gordon Tag: Transo, bmp or icon from emb.resrs Tag: 56687
  - 12
    - determine visible VScrollBar in ListView I am trying to find a way how to determine is scrollBar visible in C#. The target is to subtract its width from calculation of the visible area in ListView. I have find where I can get the standard size of the scrollbars but could not find how to check is it enabled on the form. Thanks Tag: Transo, bmp or icon from emb.resrs Tag: 56685
  - 13
    - VS2005 and CF 2.0 for Smartphone Hello, When I create a new Smartphone 2003 project in Visual Studio 2005 by selecting the project type Visual C#, Smart Device, Smartphone 2003, all of the available templates create .Net CF 1.0 applications. If I select Pocket PC 2003 or Windows CE 5.0 they appear to create CF 2.0 applications. How do I create a new Smartphone 2003 project that is using the CF 2.0? -- Sincerely, Bryan Hall A7 Engineering http://www.a7eng.com Tag: Transo, bmp or icon from emb.resrs Tag: 56678
  - 14
    - SerialPort vs. Port in OpenNetCF Is the SerialPort class in OpenNetCF fairly new? I'm assuming it's been developed to be sort of name-compatible with the new support in CF v2.0 of the same name, to ease the upgrade, but that the Port class is still perfectly good. -- Tim Johnson High Point Software, Inc. www.high-point.com (503) 312-8625 Tag: Transo, bmp or icon from emb.resrs Tag: 56675
  - 15
    - Visual Inheritance in CF 2.0? Maybe it was just a great day dream, but I thought CF 2.0 was going to support visual form inheritance. If so, it doesn't appear to be obvious in VS 2005. When I try to use the "working man's approach," as back in the good ole 2003 days by manually inheriting Form B from Form A, I get an interesting error message: Partial declarations must not specify different base classes. Can anyone shed some light. Would appreciate. Thanks! Tag: Transo, bmp or icon from emb.resrs Tag: 56674
  - 16
    - ListView I have 2 listviews, one with a scrollbar. What is my best way to have the one scrollbar scroll both listviews? Thanks Scott Tag: Transo, bmp or icon from emb.resrs Tag: 56669
  - 17
    - Treeview I have a treeview with 2 Root Nodes. The first node has no children whereas the second node has children. When I click on the "Plus" sign on the second Root Node, it picks up the first Root Nodes information, shows the messagebox for First Node. What can I do to prevent that? In the treeview_afterselect, I have the following: If (e.Node.GetNodeCount(True) = 0) And (e.Node.IsSelected) Then 'Section 1 If (e.Node.Parent Is Nothing) And (e.Node.GetNodeCount(True) = 0) Then MessageBox.show("First Node") LoadRooms(e.Node.Index + 1) Else 'Section 2 If (e.Node.Parent.Parent Is Nothing) Then MessageBox.Show("Second Node") LoadRooms(e.Node.Parent.Index + 1) end if end if end if Thanks Scott Tag: Transo, bmp or icon from emb.resrs Tag: 56668
  - 18
    - Installation package What is used to create an installation package for the app? In the dev. environment I've right clicked on the project and selected "Build Cab File" and I have 2 issues: 1. I was hoping it would include the netcf stuff and the sqlce stuff, but it seems not. How is this taken care of then? The people I am doing this for constantly let the devices run down and will have to do a complete re-install after that, netcf and all, nothing I can do about this. 2. If I look at the log file generated with the cab files, there are a whole bunch of warnings, one example "Shortcuts is not using the string %InstallDir%". Is there something I should do before generating the cab file? Thanks. Tag: Transo, bmp or icon from emb.resrs Tag: 56663
  - 19
    - Double Buffering UserControl in CF 2.0 How to implement flicker-free double-buffering on a user control? I am am adding a control to a autoscrolling panel on my form. When I scroll with the panel, the usercontrol is not drawn smoothly. Are there any techniques that can be applied to remedy this? I have alreday tried the following: protected override void OnPaint(PaintEventArgs e) { Graphics gxOff = null; Bitmap m_bmpOffscreen = null; if (m_bmpOffscreen == null) m_bmpOffscreen = new Bitmap(ClientSize.Width, ClientSize.Height); //e.ClipRectangle.IntersectsWith gxOff = Graphics.FromImage(m_bmpOffscreen); gxOff.Clear(this.BackColor); //Draw from the memory bitmap e.Graphics.DrawImage(m_bmpOffscreen, e.ClipRectangle, e.ClipRectangle, GraphicsUnit.Pixel); //base.OnPaint(e); gxOff.Dispose(); } protected override void OnPaintBackground(PaintEventArgs e) { } Tag: Transo, bmp or icon from emb.resrs Tag: 56657
  - 20
    - Q: about BeginInvoke Hi I have an App with two threads, one for the GUI and one for network communications. No I have code like that: private void Server_ServerStoppedMeasurement(object sender, int timestamp, double drivabilityResult) { // workaround because InvokeRequired isn't supportet by the .net CF if (this != sender) { this.BeginInvoke(new MesStoppedByServerNotify(Server_ServerStoppedMeasurementHandler), this,timestamp, drivabilityResult); } } private void Server_ServerStoppedMeasurementHandler(object sender, int timestamp, double Result) { Form_Result form_result = new Form_Result(); form_result.DriveScore = Result; form_result.Duration = timestamp; form_result.ShowDialog(); form_result.Close(); this.button_startstop.MainText = Properties.Resources.StartStop_Start; } This handler gets called, whenever the UDP Server gets a ServerStoppedMeasurement message. So far so good, my problem is, that sometimes i get 2 ServerStopp messages -> so it happens that the result screen is shown 2 times!!!! How does BeginInvoke work? I thougt this is more like a PostMessage in the old MFC Times? why can 2 methodes be called in only one thread? Norbert Tag: Transo, bmp or icon from emb.resrs Tag: 56655
  - 21
    - Real Time Communications (RTC by MS) Hi everyone! Do you know of any way to run applications based on RTC API on a Pocket PC with Windows CE 4.20 ? Can you direct me to some samples or guides? In short - HELP! Thanks! P.S (less important) When creating a GUI using C# to the Pocket PC, is there a way to use User Controls? Tag: Transo, bmp or icon from emb.resrs Tag: 56653
  - 22
    - Programmatically Smart Minimize Hi, in my .NETCF application I want to programatically send the Form to the back in response to vcertain events, just as if the user had tapped on the smart minimize button. On Pocket PC 2002 and 2003 platforms I got that working pretty well by P/Invoking ShowWindow with the parameter SW_MINIMIZE. Unfortunately, under the Windows Mobile 5 emulator, that very same call crashes inside GWES! Is this a bug in WM5? Is there anything else I have to do in order to minimize my Form? Is there any alternative (better) solution to programatically smart minimize my form? Andi Tag: Transo, bmp or icon from emb.resrs Tag: 56652
  - 23
    - asynchronous UDP spcket for .Net CF Hello , I am trying to create asynchronous socket using C# for Compact Framework. I am using BeginReceiveFrom() function to receive the data and trying to use asynccallback method. What i wanna know is whether asynccallback is supported by .NET CF and if i want to continuously listen on particular port and receive data continuously then can can i put the BeginReceiveFrom() in while loop. I am trying to put BeginReceiveFrom() in while loop but while reading it just hangs!!! If anyone has done this before plz mail me code also. Thanks in advance, Rajat Tag: Transo, bmp or icon from emb.resrs Tag: 56651
  - 24
    - Apps failed to start when stop from memory recently i wrote an application in c sharp and i noticed that if i'm stop the apps using the memory modules from System setting and i start the apps again, the apps cannot be launch and i need to reset the device in order to launch the written apps. I tried to deployed the codes to the emulator again and its prompted me "The process cannot access the file because it is being used by another process." My apps involved a few forms. Its start with the login form and jump to main form if appropriate login details inserted. In login form, my code is as follow : frmMain frmmain = new frmMain(); frmmain.Show(); this.Hide(); Anyone out there know what is the cause of the problem ? Thanks... Tag: Transo, bmp or icon from emb.resrs Tag: 56648
  - 25
    - Checking existenz of records in a table Hi with the following Code I'm checking if an records with an given ID exists in a Table. How can I optimize the code? Because I run this code as part of an synchronization method it is called many times. the first 500 calls takes 36 seconds , the next 500 take 52 seconds! So I think something is wrong with my code or could get optimized. Are there perhaps other more performant ways too ? this.CheckPimExtExistsCmd = new SqlCeCommand("Select 2 as zahl from kontakte where konextlfdnr=?",program.oDaten.sqlConn); this.CheckPimExtExistsCmd.Parameters.Add(new SqlCeParameter("konextlfdnr", SqlDbType.NChar, 10)); this.CheckPimExtExistsCmd.Prepare(); public bool ExistKontaktByExtLfdNr(string tcExtLfdNr) { bool llExist = false; object loValue; this.CheckPimExtExistsCmd.Parameters["konextlfdnr"].Value = tcExtLfdNr.Trim().PadLeft(10 , ' '); loValue = this.CheckPimExtExistsCmd.ExecuteScalar(); try { if (int.Parse(loValue.ToString())> 0) { llExist = true; } else { llExist = false; } } catch { llExist = false; } loValue = null; return llExist; } Tag: Transo, bmp or icon from emb.resrs Tag: 56646

This little piece takes embedded bitmaps, but how about icons? Or making some
colo of the bmp transparent? The whole FW has a MakeTransparent method but
intellisense won't list one for me so I guess it's not in the CF?

[code]
Assembly myself
= Assembly.GetExecutingAssembly();
Info = new Bitmap(myself.GetManifestResourceStream(
myself.GetName().Name + ".Info.ico"));
Question = new Bitmap(myself.GetManifestResourceStream(
myself.GetName().Name + ".Question.ico"));
Stop = new Bitmap(myself.GetManifestResourceStream(
myself.GetName().Name + ".Stop.ico"));
Warning = new Bitmap(myself.GetManifestResourceStream(
myself.GetName().Name + ".Warning.ico"));
[/code]

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