work with dbase (*.dbf) files

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 - 1
 - VS2005 ArgumentException with GetString Hello, I have a compact framework project that was built in VS2003 and I'm trying to now use that project in VS2005. It seemed to import OK, compiles, but I'm getting "ArgumentException was unhandled" on this line of code: Me.TableView1.Text = rm.GetString("Tables") I don't know where to start, as there are no such problems with the same code in VS2003. Here's my initialization of the System.Resources.ResourceManager rm: rm = New System.Resources.ResourceManager("My_Project.Strings",System.Reflection.Assembly.GetExecutingAssembly()) My file Strings.resx seems to be there, and it does have an entry called "Tables". Thank you for any suggestions you might have. Mike B. Tag: work with dbase (*.dbf) files Tag: 62951
 - 2
 - alex feinman tapi wrapper - help! this bit of simple code i would assume would allow me to capture when a call occurs and to hang up the call. but it crashes with a exception not supported error :( i also tried copying the supplied sample app (Tapi.exe) into the emulator. it crashes as well upon execution :( are there some pre-requisites that i'm missing? i'm developing this on a WM5 PPC device / emulator. ???? =================this is the code=========== using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Runtime.InteropServices; using OpenNETCF.Tapi; namespace CallManager { public partial class Form1 : Form { Tapi tapiObj = new Tapi(); Line lineObj; Call callObj; public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { tapiObj.Initialize(); lineObj = tapiObj.GetCellularLine(LINEMEDIAMODE.INTERACTIVEVOICE, LINECALLPRIVILEGE.MONITOR); lineObj.NewCall += new Line.NewCallHandler(lineObj_NewCall); } private void lineObj_NewCall(Call call) { MessageBox.Show("Hit me!!"); callObj = call; callObj.Hangup(); } } } ------------------------------this is the crash dump-------------------- - $exception {System.NotSupportedException: NotSupportedException at System.Runtime.InteropServices.Marshal.SizeOfInternal() at System.Runtime.InteropServices.Marshal.SizeOf() at System.Runtime.InteropServices.Marshal.SizeOf() at OpenNETCF.Tapi.Call..ctor() at OpenNETCF.Tapi.Tapi.OnNewCall() at OpenNETCF.Tapi.Tapi.TapiThreadProc() } System.Exception {System.NotSupportedException} + [System.NotSupportedException] {System.NotSupportedException: NotSupportedException at System.Runtime.InteropServices.Marshal.SizeOfInternal() at System.Runtime.InteropServices.Marshal.SizeOf() at System.Runtime.InteropServices.Marshal.SizeOf() at OpenNETCF.Tapi.Call..ctor() at OpenNETCF.Tapi.Tapi.OnNewCall() at OpenNETCF.Tapi.Tapi.TapiThreadProc() } System.NotSupportedException _HResult 0x80131515 int _innerException null System.Exception _message "NotSupportedException" string + _methodDescs {Dimensions:[0x00000006]} System.IntPtr[] HResult 0x80131515 int InnerException null System.Exception Message "NotSupportedException" string StackTrace "at System.Runtime.InteropServices.Marshal.SizeOfInternal()\r\nat System.Runtime.InteropServices.Marshal.SizeOf()\r\nat System.Runtime.InteropServices.Marshal.SizeOf()\r\nat OpenNETCF.Tapi.Call..ctor()\r\nat OpenNETCF.Tapi.Tapi.OnNewCall()\r\nat OpenNETCF.Tapi.Tapi.TapiThreadProc()\r\n" string - this {OpenNETCF.Tapi.Tapi} OpenNETCF.Tapi.Tapi + Calls {System.Collections.Hashtable} System.Collections.Hashtable dwAPIVersionHigh 0x00020000 int dwAPIVersionLow 0x00010004 int + hEvent 0x00000000 System.IntPtr + hLineApp 0x004bcb30 System.IntPtr LineMessage null OpenNETCF.Tapi.Tapi.MessageHandler + Lines {System.Collections.Hashtable} System.Collections.Hashtable m_dwNumDev 0x00000008 int + m_hLineApp 0x004bcb30 System.IntPtr NumDevices 0x00000008 int + PendingRequests {System.Collections.Hashtable} System.Collections.Hashtable Reinitialize null OpenNETCF.Tapi.Tapi.ReinitializeHandler stop false bool + thTapi {System.Threading.Thread} System.Threading.Thread - msg {LINE_APPNEWCALL} OpenNETCF.Tapi.LINEMESSAGE + dwCallbackInstance 0x00000000 System.IntPtr dwMessageID LINE_APPNEWCALL OpenNETCF.Tapi.LINEMESSAGES + dwParam1 0x00000000 System.IntPtr + dwParam2 0x004bdf90 System.IntPtr + dwParam3 0x00000002 System.IntPtr + hDevice 0x004bd0d0 System.IntPtr Tag: work with dbase (*.dbf) files Tag: 62950
 - 3
 - Sound in VB.NET Hello, I want to write a telephone dialer program usingVB.NET. Anyone knows how to create sound coresponding to a touch tone using vb.net? Thanks, Zalek Tag: work with dbase (*.dbf) files Tag: 62942
 - 4
 - DLL built using EVC on a WM 5.0 device Hi all, I've a dll built with EVC++ 3.0 targetting a PocketPC 2002 device. I want to use this on a WM 5.0 device. Can I rebuild the same using EVC++ 4.0 with SP2/SP4and PocketPC2003 and use the dll on a WM 5.0 device? Any pointers are greatly appreciated. Regards Vidhya Tag: work with dbase (*.dbf) files Tag: 62924
 - 5
 - CF 2.0 using interop with DCOM I am trying to be able to create a DCOM interface and invoke a method within Compact Framework 2.0. I am able to create the coclass. However, I keep getting error 80004002 when I invoke any method or property on my DCOM interface. I tried this with an inprocess COM interface and it works fine. What am I missing. BTW, I am using standard OLE data types (BSTR's). Thanks Tag: work with dbase (*.dbf) files Tag: 62915
 - 6
 - Wish List for Version 6 Compact Framework I have written 2 applications using PDA phones for surveys. Would it be possible to include voice recognition to the next software version. This would mean surveyors could just dictate their results rather than fumble with a fiddly stylus in cold weather. Only a relatively limited range of words would need to be recognised Nigel Vandyk. Tag: work with dbase (*.dbf) files Tag: 62914
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 - Setting DialogResult in OnClosing In all the documentation on DialogResults it says that you can override the DialogResult in the OnClosing event. I am working in VB and I just cannot do this. I call ShowDialog with an OK in the top right. The form always returns an OK whatever I do in the OnClose. Is this an undocumented difference between CF and the desktop. Tag: work with dbase (*.dbf) files Tag: 62911
 - 8
 - Problem using WM5 and ShGetSpecialFolderPath Hi, I'm using this function to find some folders. It works fine with WM2003 and Pocket PC 2002. With WM5 it throws a native exception most of the times. The weird thing is that if I show a messagebox before calling the ShGetSpecialFolderPath then it will work. Does anyone know of a safe solution for using this function with WM5? Thanks, Erel Tag: work with dbase (*.dbf) files Tag: 62909
 - 9
 - Problem install CF2+application with Ezsetup Hi, i have this problem... When i install my program in my K-Jam (WM2005 with CF1) the CF2 don't be installed, but install only the program. The packing is CF2.cab+program PROVA.CAB created using Ezsetup. This is SETUP.INF: [CEAppManager] Version = 1.0 Component = App [App] Description = Description if the program DeviceFile= prova.exe CabFiles= prova.CAB,NETCFv2.armv4i.CAB ---------------- What can i do ?? Many thanks Tag: work with dbase (*.dbf) files Tag: 62908
 - 10
 - Problem install CF2+application with Ezsetup Hi, i have this problem... When i install my program in my K-Jam (WM2005 with CF1) the CF2 don't be installed, but install only the program. The packing is CF2.cab+program PROVA.CAB created using Ezsetup. This is SETUP.INF: [CEAppManager] Version = 1.0 Component = App [App] Description = Description if the program DeviceFile= prova.exe CabFiles= prova.CAB,NETCFv2.armv4i.CAB ---------------- What can i do ?? Many thanks Tag: work with dbase (*.dbf) files Tag: 62907
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 - Vs2005 WinCe Emulator I may have missed something but I did not see an emulator in the Vs2005 for WinCe. Am I making a error or is there an Add-in available that adds an Emulator for Vs2005 for WinCe? Thanks. -- John Olbert Tag: work with dbase (*.dbf) files Tag: 62905
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 - Vs2005 -- John Olbert Tag: work with dbase (*.dbf) files Tag: 62904
 - 13
 - Opening forms in designer is slow with Visual Studio .NET 2005 I converted a VS .Net 2003 CF project to VS. Net 2005 keeping the target version as CF1.0. After that when I tried to open any form in my project in the form designer it takes 10-20 seconds where as in VS2003 it will open immediately. Also I noticed the forms that has lot of controls take long to load. Can anybody tell me why this behavior is and any possible resolutions? PS: If I open a code file (such as a class defnition), it does not have any problem. Tag: work with dbase (*.dbf) files Tag: 62903
 - 14
 - How to detect whether Panel got scrollbar ? Hi, I have a listview inside a panel and i want to know how to dectect whether the autoscrollbar of the panel has been activated? The reason is that i need to resize the column of the listview if the panel scrollbar is visible. Regards, Dylas Tag: work with dbase (*.dbf) files Tag: 62902
 - 15
 - Error message - installing .NET CF 2.0 on device (CE .NET 4.20) Greetings, I am trying to deploy a VS 2005 Pocket PC app to the above mentioned handheld (a PSC Falcon 5500). I dragged my CAB file over to the device, and installed it, however the app will not run. I receive a brief hourglass, then nothing happens. I figured it might be that the device probably doesn't have the Compact Framework 2.0 on it. I found the C:\Program Files\Microsoft Visual Studio 8\SDK\v2.0\CompactFramework\netcfsetupv2.msi file, ran it, went to Modify, selected to install Deployment, and I get the following error: (caption) "Invalid Windows CE Setup Files" (message) "Application Manager cannot install this application on your mobile device due to an invalid setup file. Reinstall and try again." I'd appreciate any help. Thanks! Dan Tag: work with dbase (*.dbf) files Tag: 62895
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 - EndCurrentEdit called automatically I've found this topic "Trying to understand when EndCurrentEdit gets automatically called" but no one answered it yet. I'm in the same trouble - EndCurrentEdit is getting called automatically when I set ((DataRowView) BM)["column"] = some_value; Does anybody how to avoid the automatic call? Thanks for any advice Milan Tag: work with dbase (*.dbf) files Tag: 62893
 - 17
 - Could not create type instance I am trying to use the Configuration class from OpenNETCF, and get the following exception : "An unhandled exception of type 'OpenNETCF.Configuration.ConfigurationException' occurred in OpenNETCF.dll Additional information: Could not create type instance" Code looks like ; downloadPath = OpenNETCF.Configuration.ConfigurationSettings.AppSettings["ServerDownloadPath"]; Anywhere to being solving this? I have verified the OPENNETCF assemblies are "CopyLocal" and are getting copied to the Mobile Device. TIA, Brian Tag: work with dbase (*.dbf) files Tag: 62891
 - 18
 - Wireless Access Point Hi guys, this post is actually for the big framework (XP), but I am having problems getting a solution and the nature of this newsgroup is such that hopefully someone did this, or it works the same for the CF and the big one. I must get the Signal Strength of the CONNECTED Wireless Access Point. I can use WMI and select "MSNDis_80211_BSSIList", giving me the Wireless Network Card. From here I get a list (using "Ndis80211BSSIList" properties) of available Access Points and their signal strengths. 1. Problem is, I don't know which one in the list I am connected to. 2. If there is another method to determine this, I will be grateful too. Thanks. Tag: work with dbase (*.dbf) files Tag: 62889
 - 19
 - Problem with path when deploying app In the <ProjectName> Properties\Device\Output file folder I specify path where I want my app to reside on my Pocket PC. When I deploy th app from the Visual Studio .NET (using F5), it runs on the device unde the specified directory, but after I create a cab file and deploy it t the device, the app gets always installed under \Progra Files\<ProjectName> folder. Q1: Why is my output file folder disregarded? Q2: Is there a way to get rid of the <ProjectName> folder and put th executable under the path I want? Q3: The app gets installed as "My Company <ProjectName>" - How t replace "My Company" with my text? Thank you for your help -- eve ----------------------------------------------------------------------- evew's Profile: http://www.hightechtalks.com/m51 View this thread: http://www.hightechtalks.com/t231112 Tag: work with dbase (*.dbf) files Tag: 62883
 - 20
 - Arrow Keys and Tabbing for WM5 using .NET CF 2.0 I am writing test applications with VS 2005 for the WM5 and have a questions about the tabbing behavior related to the arrow keys. When I have a MFC Smart Device application, using the arrow keys take the focus to the next control just as if a user tabbed. (Note: I have the WM5 SDK Installed) But when I have a .NET CF 2.0 application, the arrows keys don't take the user to the next control. The controls have the Tab Stop and Tab Index properties set properly. Is there something special needed to have the arrow keys behave like the user is tabbing? Shouldn't this have been automatic like the managed code's controls? Tag: work with dbase (*.dbf) files Tag: 62882
 - 21
 - DIALUP RAS Hi group, Has someone an implementation of the RAS API in VB.NET (compact framework) Know I 'm using a third party dll (unmaneged) to control this. When I use the DialUp function from the third party vendor to set up a connection with, let's say, "My connection", I can't use "My connection" from within windows Mobile any more. My goal is to set up a dialup connection with "My connection" from within VB.NET in a way that I can use the same "My connection" in Windows... A working RAS API in VB would be excellent.... A good connection manger to establish and maintain a GPRS connection on CE and Mobile 2003 would beo nice too. Some help would be greatly appreciated. Best regards, Mobile boy Tag: work with dbase (*.dbf) files Tag: 62881
 - 22
 - complicated P/Invoke and marshaling hi all! i have a c++ function, wich has to be invoked from c#. c++ function looks like that: uint Function(const Request* a, uint max, Result** b, const Result *c, uint* d, void *cb) typedef struct{ uint a, wchar_t b, Position p, Position* p, uint *c }Request; typedef struct{ uint a, uint b }Position; 1. how do i declare that function? 2. how do i declare the structs? 3. the other question is how i use the declared function? i need to declare struct Request and pass a reference to a struct as first parameter. the third parameter expects a reference to the pointer to the struct. How can i solve that? thanx in advance Tag: work with dbase (*.dbf) files Tag: 62880
 - 23
 - [C#] How Can I read message in an email account ? Hi, I'd like to get all messages in an email account with pop3. But I don't find a free library to do it. Only not free version. Somebody can give me a link to a free pop3 library ? I work with pocket pc 2003 et Windows CE 4.2 Thanks. Best Regards Fred Tag: work with dbase (*.dbf) files Tag: 62869
 - 24
 - Issuing during exporting hello, I am building an application for a pocket pc in which there need to be facility to associates data with pictures. Now I need to sync this data on the handheld to a desktop application programatically. What i hav done I am exporting the data into an xml file using ds.writexml() function. AT the same time i am reading images data into binary array and inserting this into the datatable of the dataset before writing it into xml. By this way i have my data and image data both in the xml file. Now i transfer this xml file to the desktop. In my desktop application i have an import utility that reads the dataset created from this imported file insertes the datainto the databse. Now I want to read the images that are in the text form in the column. I want them to be conveted into byte array so that i can write them with bianry reader. Please can anyone help me out in this case. It is very urgent. Thanks in advance Sunil -- Sunil Pandita Software Engineer (OTS Solutions Pvt. Ltd. ) Tag: work with dbase (*.dbf) files Tag: 62868
 - 25
 - VS2005->netCF1.4=Object reference not set to an instance of an obj Hi all, I have following error 'Object reference not set to an instance of an object' during installation of OpennetCF 1.4 Smart Device Frameworf (then a rollback is done). Visual Studio 2005 Trial edition is correctly installed (on WinXP SP2). I have installed SDFLibrary.msi too without problem. I tried OpennetCF 1.4 installation with SDFSetup14.msi. I have found this article http://support.microsoft.com/default.aspx?scid=kb;en-us;889531 which looks like same kind of problem. Does anybody have some idea about this installation trouble ? Thank you to help me. WinDevAlex. Details about Visual Studio 2005 (180 days Trial edition) : Microsoft Visual Studio 2005 Version 8.0.50727.42 (RTM.050727-4200) Microsoft .NET Framework Version 2.0.50727 Installed Edition: Enterprise Microsoft Visual Basic 2005 77718-204-0000007-41307 Microsoft Visual Basic 2005 Microsoft Visual C# 2005 77718-204-0000007-41307 Microsoft Visual C# 2005 Microsoft Visual C++ 2005 77718-204-0000007-41307 Microsoft Visual C++ 2005 Microsoft Visual J# 2005 77718-204-0000007-41307 Microsoft Visual J# 2005 Microsoft Visual Studio Tools for Office 77718-204-0000007-41307 Microsoft Visual Studio Tools for the Microsoft Office System Microsoft Visual Web Developer 2005 77718-204-0000007-41307 Microsoft Visual Web Developer 2005 Visual Studio 2005 Team Edition for Architects 77718-204-0000007-41307 Microsoft Visual Studio 2005 Team Edition for Software Architects Visual Studio 2005 Team Edition for Developers 77718-204-0000007-41307 Microsoft Visual Studio 2005 Team Edition for Software Developers Visual Studio 2005 Team Edition for Testers 77718-204-0000007-41307 Microsoft Visual Studio 2005 Team Edition for Software Testers Crystal Reports AAC60-G0CSA4B-V7000AY Crystal Reports for Visual Studio 2005 Tag: work with dbase (*.dbf) files Tag: 62862
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 - wm5 devices with cf 2.0? Hi, Currently WM 5 devices are shipping with .NET CF 1.0 SP3 as the embedded .NET framework version. Is there a possibility that future wm 5 devices will ship with .net cf 2.0? And what are the prospects of this happening in near future? Tag: work with dbase (*.dbf) files Tag: 62854
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 - Bluetooth Profiles Hi! I would like to provide a framework which consists of the implementation of all Bluetooth Profiles in .NET. How can i write this? Tag: work with dbase (*.dbf) files Tag: 62852
 - 3
 - SqlCeResultset Sensitivity ? Hi, I'm using SqlCeResultSets with SQL Mobile. I have a none updatable SqlCeResultSet that has inner joins. The resultset comes back as insensitive but I need it to be sensitive. Can create a resultset from sql that has inner join and is sensitive? I don't care if its not updatable but i do want it to be sensitive Thanks Tag: work with dbase (*.dbf) files Tag: 62848
 - 4
 - Raw IR I have an app. using RAW IR that works fine on most PPC. But I can't get it to work on a new HP hx2490. I wrote a different app to capture IR data. And when I use that I get 3 hex 0xFF during the communication instead of the data. If I use the HP hx2490 to capture IR all I get is a hex 0x0F. The IR does work to send files and contacts. HP support doesn't have any ideas. Has anyone used raw IR on the HP hx2490? Is COM2 the correct port? Thanks in advance. Tag: work with dbase (*.dbf) files Tag: 62837
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 - NumericUpdDown Overflow BUG!???! I have a form with a NumericUpDown control, a ToolBar and an InputPanel. The NumricUpDown is initialized as follows: form.MinimizeBox = false; nud.Minimum = 0; nud.Maximum = 1000000; When I call the form, it is constructed from an static method (singleton form) and I call it as follows: int i = 50000; decimal d = Convert.ToDecimal(i); nud.Value = d; // set NumericUpDown control value to 50000 form.ShowDialog(); // User can set the value to 50000 or some other number int ii = Convert.ToInt32(nud.Value); // I get the wrong value --- negative amount MessageBox.Show(ii.ToString()); The problem is the value I get after the user has used the InputPanel to changed the value, I get a negative amount, as if it were overflowing. Could someonw help me confirm my bug, or am I seeing double! Thanks, --Ader. Tag: work with dbase (*.dbf) files Tag: 62836
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 - CF 2.0 Mac Address Is there a way to get the Mac Address with the new 2.0 cf? I have looked and haven't been able to figure it out, not sure if there is managed code to access this or not. I know there are OPENNETCF methods etc, but I was hoping there was a way to do it with Microsoft's Classes. Thanks, Chris Tag: work with dbase (*.dbf) files Tag: 62829
 - 7
 - Method not found: Dispose System.Data.Common.DbTransaction. Hi, I received the exception : "Method not found: Dispose System.Data.Common.DbTransaction." when I execute a Transaction.Commit(); Have anybody received this error ? I'm using Visual Studio 2005 RC Julio Tsukamoto Tag: work with dbase (*.dbf) files Tag: 62828
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 - Visual Studio 2005 : "No such interface supported" I just received my Visual Studio 2005 and I have an empty pocket pc solution that im trying to run. Whenever I attempt to deploy I get a small messagebox that says "No such interface supported". When i try to import my application, I get the same error if I try to deply. If i try to perform a build, I get the following monstrosity Warning 1 An internal error occurred in PlatformVerificationTask. System.IO.FileNotFoundException: Could not load file or assembly 'System.PocketPC.asmmeta, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified. File name: 'System.PocketPC.asmmeta, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' at System.Signature._GetSignature(SignatureStruct& signature, Void* pCorSig, Int32 cCorSig, IntPtr fieldHandle, IntPtr methodHandle, IntPtr declaringTypeHandle) at System.Signature.GetSignature(SignatureStruct& signature, Void* pCorSig, Int32 cCorSig, RuntimeFieldHandle fieldHandle, RuntimeMethodHandle methodHandle, RuntimeTypeHandle declaringTypeHandle) at System.Signature..ctor(RuntimeMethodHandle methodHandle, RuntimeTypeHandle declaringTypeHandle) at System.Reflection.RuntimeMethodInfo.get_Signature() at System.Reflection.RuntimeMethodInfo.GetParameters() at Microsoft.CompactFramework.Build.MethodDescriptor.MethodBaseMatch(MethodBase a) at Microsoft.CompactFramework.Build.MethodDescriptor.MethodInfoMatch(MethodInfo a) at Microsoft.CompactFramework.Build.MethodDescriptor.MethodMatch(Object obj) at Microsoft.CompactFramework.Build.MetadataService.GetMethodAttributes(String instanceType, MethodDescriptor methodDesc) at Microsoft.CompactFramework.Build.Tasks.PlatformVerificationRule.VisitExpressionStatement(ExpressionStatement statement) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.Visit(Node node) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.VisitStatementList(StatementList statements) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.VisitBlock(Block block) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.Visit(Node node) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.VisitStatementList(StatementList statements) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.VisitBlock(Block block) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.VisitMethod(Method method) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.Visit(Node node) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.VisitMemberList(MemberList members) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.VisitTypeNode(TypeNode typeNode) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.VisitClass(Class Class) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.Visit(Node node) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.VisitTypeNodeList(TypeNodeList types) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.VisitModule(Module module) at Microsoft.CompactFramework.Build.Compiler.StandardVisitor.VisitAssembly(AssemblyNode assembly) at Microsoft.CompactFramework.Build.Tasks.PlatformVerificationTask.Execute() WRN: Assembly binding logging is turned OFF. To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1. Note: There is some performance penalty associated with assembly bind failure logging. To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog]. EpocHost Does anyone know whats going on here ? desperately seeking help! thanks in advance Taha. Tag: work with dbase (*.dbf) files Tag: 62820
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 - first time user of bluetooth - question? Hi there, This is what i'm trying to achieve: I have a PDA enabled bluetooth, and mobile phone with bluetooth enabled. What i ideally want to do is to press a button on my form, and programatically connect to the internet, via the bluetooth connection between the pda and mobile (eg. via GPRS on mobile.) Can anyone point me in the right direction, and also if i should use the 32feet.net library in order to achieve this? Any small code example appreciated as this is first bluetooth attempt for me. thanks, Paul Tag: work with dbase (*.dbf) files Tag: 62817
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 - Performance worrying problem - Bad architecture maybe Hi guys, I've got a very worrying problem in my CF 2.0 application. I don't know the exact reason for so poor performance, sometimes combined with "OutOfMemoryException" messages. Could be a bad architecture design problem. Ths is my actual scenario: The application has got near 25 forms and I have one MasterForm from which the rest of the forms inherit. This MasterForm contains basically icons and some static variables I use for different purposes inside all forms of my application. I call the first form of my application "MainForm". Here we have three very different choices (imagine three buttons). When any button is clicked, I always open corresponding form with ShowDialog() method. Each choice can simultaneously open 5/6 forms maximum by using ShowDialog(). Therefore, I understand 5/6 forms are opened in memory sametime. Correct me if I'm wrong please. Imagine that I choose a button and navigate and navigate and.....I finally have 5/6 forms opened with ShowDialog(). When I close the actual modal form (fifth or sixth form), I use the simple this.Close() and sometimes also return a DialogResult value. If the previous form must perform an specific action, I use static variables of the previous form, which I activate from the actual modal form. In the previous form, I capture Activate event and do the correct action if the corresponding static variable has been activated. An example would be to save something and when returning to the previous form, refreshing the screen with the newly saved data. This means a new database access. This could be the main bottleneck of the application. The operations are against SQL Mobile 2005 database. I always access database to retrieve latest data, don't use caching at all. With this scenario, all I can tell you is that sometimes application seems not to response, and ultimately, if you stress it hard, "OutOfMemoryException" occurs and new data is not refreshed in the screen. Suddenly data is "lost", and if you close the from and open it again, data appears again......in one word: desperating! I would like to hear any suggestion for a better performance please. It really hurries me. My project is becoming more and more complex and I think now, I've got the last chance to reorient or redesign its architecture. 2006 could be too late. Specially advices related to the way of opening/closing forms and database accessing and caching. Thanks very much. Regards. Tag: work with dbase (*.dbf) files Tag: 62815
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 - Components on the PocketPC Hello, I'm starting to write for the Pocket PC. My first task is to translate my current Windows components to Pocket components. Right on the start, I can't reference a Windows component in my Pocket project, as VS2005 is telling me. My question: is it possible to have a common component project so that I don't need two versions of the same code (one for the Windows, on for the Pocket) ? For example, if I need to update the component, I don't want to end up updating two times in two components that contains the same code. I thought code re-use would be great since we're in .Net. But it seems that the compact framework is not so close to the Windows framework. Thanks for the info, Neb Tag: work with dbase (*.dbf) files Tag: 62809
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 - HTTPS bug with web services in .NET CF v2.0? Hello all, I am writing a .NET Compact Framework v2.0 application which communicates with a back-end system via a web service, using HTTPS for transport. I am experiencing a problem where the first 256 characters of the request are mysteriously cropped from the message before they arrive at the server side. If I make the request over HTTP, it is received correctly, so it only seems to be HTTPS which is causing the problem. If I import the web reference into a desktop .NET Framework application and call it from there over HTTPS it also works fine, I have tried it using Apache Axis with Java as well which worked fine. As such, the problem seems limited to the .NET Compact Framework. I am about to try it with a v1.0 Compact Framework program to see whether this is something that has been introduced since then. Has anyone else come across a similar problem? Is it a known bug? If so, are there any workarounds? Thanks in advance, Iain McGinniss Tag: work with dbase (*.dbf) files Tag: 62804
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 - Strange bug in "Smart Device Authentication Utility" I'm trying to connect to my device using Smart Device Authentication Utility. I launch the sdauthutildevice.exe on the device, select the correct network device and start. On the PC i launch Smart Device Authentication Utility and enters the device ip address. I click on "Set up device" and Smart Device Authentication Utility displays a fairly large, completely blank message-box. Not even the "OK" button has a caption! Anyway, after klicking the blank button on the messagebox the Smart Device Authentication Utility status says "connected". However, I cannot connect to the device, and checking the processes running on the device i do not see ConnmanClient.exe process. I'm running Windows XP Pro SP2 (Swedish), VS2003, Windows CE .NET Utilities v1.1 for Visual Studio .NET 2003, Xscale/pxa270, Windows CE 5.0 with all QFE:s up and until Q3 2005. Any ideas? Tag: work with dbase (*.dbf) files Tag: 62802
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 - PDF Printing Hi group, Does someone know a solution to print PDF's from within VB.NET? Best regards, Mobile Boy Tag: work with dbase (*.dbf) files Tag: 62801
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 - HTTPS bug with web services in .NET CF v2.0? Hello all, I am writing a .NET Compact Framework v2.0 application which communicates with a back-end system via a web service, using HTTPS for transport. I am experiencing a problem where the first 256 characters of the request are mysteriously cropped from the message before they arrive at the server side. If I make the request over HTTP, it is received correctly, so it only seems to be HTTPS which is causing the problem. If I import the web reference into a desktop .NET Framework application and call it from there over HTTPS it also works fine, I have tried it using Apache Axis with Java as well which worked fine. As such, the problem seems limited to the .NET Compact Framework. I am about to try it with a v1.0 Compact Framework program to see whether this is something that has been introduced since then. Has anyone else come across a similar problem? Is it a known bug? If so, are there any workarounds? Thanks in advance, Iain McGinniss Tag: work with dbase (*.dbf) files Tag: 62800
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 - Problem using the P/Invoke to run WAV Hello All, I am using the P/Invoke library sample which is explained in the MSDN, this is the code i write to play a WAV file: WaveOut wo = new WaveOut(); wo.Play(@"\Program Files\SoundPlayer\REVEILLE.wav" , 512 * 1024, 0xffff, 0xffff); but it doesnt run anything, could anyone help me please. notes: i am using VS 2005 CF 2.0 Thanks in advance Regards Tamer Hesham Tag: work with dbase (*.dbf) files Tag: 62799
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 - Can not enter national characters in PocketPC Phone Emulator Hi! I've changed the nationalsettings within the emulator from us/english to swedish and also looked in nationalsettings on my host computer fÃ¶r charactersets not supported by unicode, but I still can't enter the swedish characters Ã¥Ã¤Ã¶ in my applications or in the standard applications in the pocketpc emulator. Does anyone know how to set up these things? Tag: work with dbase (*.dbf) files Tag: 62798
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 - CF1.0 to CF2.0 problem after conversion I am trying to convert an existing VS2003 .Net CF - C# app into VS2005 and get the following error. I have verified that the file exists and is referenced but I still get this error. I have a feeling this has to do with the VS2005 beta2 screwing up my system (I'm now running the VS2005 release). Any ideas would be greatly appreciated. thanks. Error 1 Metadata file 'c:\Program Files\Microsoft Visual Studio 8\SmartDevices\SDK\CompactFramework\2.0\v2.0\WindowsCE\Microsoft.WindowsCE.F orms.dll' could not be opened -- 'Version 2.0 is not a compatible version.' C:\ADD_Sys\hhdel\Projects\DotNet\RavenWinCE.root\RavenWinCE\Raven\CSC Raven Tag: work with dbase (*.dbf) files Tag: 62797
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 - Can't get rid of that task bar Playing around with having a kiosk mode application on Pocket-PC, I always end up with the task bar doesn't hide and is always on top. I'm working with Visual Studio 8, C# and .NET 2.0. For testing I have a Symbol PT-8800 and the emulated Pocket PC 2003. First I've tried to maximize my form with code like this: private void Form1_Load(object sender, System.EventArgs e) { // menu = null; FormBorderStyle = FormBorderStyle.None; WindowState = FormWindowState.Maximized; } Maximize does work, but the taskbar is not covered. It's hiding the top of my form. Next I've found that example code which is working with SHFullScreen(). Which hides the start icon with SHFS_HIDESTARTICON for some time, but SHFS_HIDETASKBAR doesn't work. The input options menu on the right bottom disappears too but only when SHFS_HIDETASKBAR is set, on the other hand SHFS_HIDESIPBUTTON is ignored too. But anyway SHFullScreen is not the solution I'm looking for, first it's not .NET (so far as I understand) and second it will not work on CE Clients. Latter I cannot verify, 'cause "CE 4.2" will not work with .NET 2.0 and I don't have a "CE 5" emulation, but that's another story. So, how do I get a kiosk mode application in pure .NET and C#? Erwin Tag: work with dbase (*.dbf) files Tag: 62796
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 - Problem with Databinding Hi: I have a winform with several tabs and controls in each one. I build databinding: Me.txtMarca.DataBindings.Add("Text", dtFhipec, "timbrado") Me.oBMB = Me.BindingContext(dtFhipec) dtFhipec is a Datatable, and oBMB is a property BindingManagerBase. I delete last row, as following: Me.oBMB.CancelCurrentEdit() Me.oBMB.RemoveAt(Me.oBMB.Position) Me.daFhipec.Update(Me.dsFhipec, "Fhipec") Me.oBMB.EndCurrentEdit() However, controls in form have sames values as before deleted row. Regards. Tag: work with dbase (*.dbf) files Tag: 62795
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 - Any Windows CE devices that can replace PLCs? Does anyone know if there are any companies producing stand-alone Windows CE based "controllers" used for industrial applications? More specifically, what I am looking for is a unit that contains the Windows CE OS with possible support for CE .NET and the following: * analog / digital inputs / outputs * a display (at the minimum, a simple one line text display) * a keybord input panel (not a computer keyboard) * the ability to add expansion modules (more inputs/outputs and other types of modules) The unit must be rugged and designed for industrial purposes and should be able to fit into some kind of rack or be designed to fit into a panel cutout.. What I am looking for is something that could potentially replace a PLC (programmable logic controller). Programming in Visual Studio .NET in a language like C# or Visual Basic .NET is a powerful solution that goes beyond typical ladder logic programming. Any suggestions would be appreciated. Thank you Johann Blake Tag: work with dbase (*.dbf) files Tag: 62791
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 - SQL Mobile 3.0 UNION error This is a multi-part message in MIME format. ------=_NextPart_000_0078_01C6018E.13615ED0 Content-Type: text/plain; charset="koi8-r" Content-Transfer-Encoding: quoted-printable Hello, all. I'm trying to execute SELECT statement with UNION like select 1 Id, 'h' name union all select 12 Id, 'hm' name If query execute on Pocket PC device (iPaq 2110) it just hang up = (WaitCursor). If on desktop - return error: Major Error 0x80004005, Minor Error 0 Attempted to read or write protected memory. This is often an indication = that other memory is corrupt. ------=_NextPart_000_0078_01C6018E.13615ED0 Content-Type: text/html; charset="koi8-r" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; charset=3Dkoi8-r"> <META content=3D"MSHTML 6.00.3790.2541" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV>Hello, all.</DIV> <DIV> </DIV> <DIV>I'm trying to execute SELECT statement with UNION like</DIV> <DIV> select 1 Id, 'h' = name<FONT=20 color=3D#0000ff size=3D2> union all select 12 Id, 'hm'=20 nameIf query execute on Pocket = PC device=20 (iPaq 2110) it just hang up (WaitCursor). If on desktop - return=20 error:</DIV> <DIV> Major Error 0x80004005, Minor Error 0 Attempted to read or write protected memory. This is often an = indication that=20 other memory is corrupt.    </DIV></BODY></HTML> ------=_NextPart_000_0078_01C6018E.13615ED0-- Tag: work with dbase (*.dbf) files Tag: 62790
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 - how to call a running thread? Hello all, i am making a small wave player with mobile application, i have three buttons, one to play wave file, second for pausing, and third for restatring (resuming). the play button restart a thread that call a play function, now when i click on pause button how could i make the pause function pause the runing wave file in the thread? Thanks in advance Regards Tamer Hesham Tag: work with dbase (*.dbf) files Tag: 62786
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 - Socket reuse problem Argg.. another one of those CF vs normal framework things. What I have is a program that creates a lot of socket connections over a very short period of time (maybe a few hundread connections over a 2-3 minute period). What I am seeing is that it starts to slow way down in terms of the Socket() constructor being called which I am thinking has to do with the PDA running out of usable ports or something similar. What I am using is BeginConnect() to establish my connection and if it takes more then 1-2 seconds then I issue a Close() on the socket to abort it. I have tried using multiple threads (one for each connection I will be making) but I ended up running intoa OutOfMemory exception - even though I tried calling the GC manually to free up old stuff. Now what I have is just a single threaded class that has an ArrayList of several classes that contain a Socket and other info in it. I use a timer (100-1000ms interval) to loop through all the connections and check to see if they are connected, timed out, etc. and then process the packets that are recd. Right now I am only performing a connection attempt and then closing - there is no send/recv implemented yet. I hope this is enough of an overview to give you an idea of what I am doing. I have tried using SetSocketOption() but it is hard to figure out what is/not actually supported (aka actually works) in the CF. I have tried the no linger option but it didnt help. Any thoughts? Anyone able to constantly open/close socket connections without any probelms? I know on a PC I would expect to run out of ports (if they are lingering around) after a few thousand but I am seeing problems on the PDA after only a few hundread. Thanks! Chuck Tag: work with dbase (*.dbf) files Tag: 62778
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 - Textbox scrolling VB 2005, .NET CF 2.0 Is it possible to append text to a multiline textbox without scrolling vertically? If not, is it possible to get the vertical scrollbar's thumb position and reset it after appending? I've tried using SendMessage with EM_GETTHUMB but it always returns 0 and EM_LINESCROLL has no effect either. -- Kent Briggs, kbriggs@spamcop.net Briggs Softworks, http://www.briggsoft.com Tag: work with dbase (*.dbf) files Tag: 62774

hi community,

I am new on VS2005 programming.
I am looking and searching for samples that show how to work with dBase
(*.dbf) files. What about indexfiles (*.ntx ord *.cdx) ?
Who van help me with god links and code snippes ?

Bye
Niklaas

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Re: work with dbase (*.dbf) files by Ginny

Ginny
Sun Dec 18 14:40:41 CST 2005

Niclaas,

I only know of two products, one of them as get unreleased, for working with
DBF files. The one that is available today is called Codebase:
http://www.codebase.com/ I have used it and was impressed with its
performance, but the syntax is not similar to whatever Xbase language you're
probably familiar with. It's definitely worth a look if you need to work
with that file format though, and I found their tech support to be quite
good.

The one that is not released yet is VulcanDB from www.vulcandotnet.com.

--
Ginny Caughey
.NET Compact Framework MVP

"Niklaas" <Niklaas@discussions.microsoft.com> wrote in message
news:D7AE8E50-9EBD-4717-9D38-87CA4FE38913@microsoft.com...
> hi community,
>
> I am new on VS2005 programming.
> I am looking and searching for samples that show how to work with dBase
> (*.dbf) files. What about indexfiles (*.ntx ord *.cdx) ?
> Who van help me with god links and code snippes ?
>
> Bye
> Niklaas
>

Top