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all groups > dotnet compact framework > september 2003 > threads for saturday september 20

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how to capture KeyDown event in a ComboBox?
Posted by jerry way at 9/20/2003 9:12:30 PM
Does anyone know how to capture the KeyDown event in a ComboBox? Since this event is not supported in compact framework, I created a customized ComboBoxEx control, which is derived from ComboBox and overrides its OnKeyDown method - this is the recommended way in MSDN but however it doesn't...more >>


Measuring Time, to the millisecond
Posted by Brian at 9/20/2003 9:10:25 PM
I'm writing a small app, one of the functions is like a stopwatch that is counting down (or up) elapsed time. I need the elapsed time to at least tenths of second (otherwise this would be a snap). When updating a label with this time, it seems that I cannot get more specific than a given seco...more >>

How to add help support to CF application?
Posted by jerry way at 9/20/2003 9:08:24 PM
Does anyone know how to add help system support to an application designed for .Net compact framework? Seems like help-related classes like Help, HelpProvider and HelpNavigator are not supported by compact framework. Does it mean I have to design a customized help system from groud up? ...more >>

Exception reading Comm port
Posted by Graham McKechnie at 9/20/2003 3:10:20 PM
Hi All, I'm developing a GPS app and I'm having problems when the device Auto powers off. Up until that point it works well. When I switch the device on again I'm getting an Exception (I'm throwing it ) when I call ReadFile. I then have to reboot the device and it then works again until it aut...more >>

How to make PPC Emulator work with ActiveSync without 2 serial ports on computer?
Posted by John Lee at 9/20/2003 2:38:42 PM
Hi, Could you please help me on how to make the PPC emulator work with ActiveSync? I would not want to spend $300 more to buy a PPC to be able to develop some small app for PPC. Thanks very much! John ...more >>

Licensing in CF
Posted by Justin Weinberg at 9/20/2003 1:26:57 PM
Anyone working on licensing / know of a licensing component for CF? I was considering starting a project in this space if there isn't anything available. ...more >>

XML as a database alternative?
Posted by Edgard L. Riba at 9/20/2003 12:53:17 PM
Hi, I was thinking that a database alternative for the compact framework could be to load an XML database into a dataset, and use that (the dataset) as the database. Has anybody done anything like this? Any comments on this ideas would be very welcome <g>... Best regards, Edgard L. Riba...more >>

Development for StrongArm/XScale/Mips
Posted by Edgard L. Riba at 9/20/2003 12:47:34 PM
Hi, I need to develop an application that will target the following 3 processors (Pocket PC 2000 and 2002): StrongArm, XScale, and Mips. The application will run on the following 4 industrial PDAs: Symbol PDT 8146 (StrongArm and XScale) PDT 8846 (XScale) ...more >>



Why casting so often in MSDN samples?
Posted by kev_godden NO[at]SPAM yahoo.co.uk at 9/20/2003 9:59:49 AM
Hi, I am new to .NET and the .NET CF but have started to play with it lately. One thing that has puzzled me is the amount of casting going on in the MSDN samples, for example in the code on the HTTPWebRequest help page we have: VB .... Dim myHttpWebRequest1 As HttpWebRequest = CType(Web...more >>

MSMQ on Compact Framework
Posted by Bob H. at 9/20/2003 8:37:43 AM
Has anyone tried to write a wrapper around the MSMQ Win API for the compact framework? I need to write a wrapper that uses P/Invoke to access MSMQ, but I'm not really sure if it can be done in C#, or if it has to be done in embedded C++. Any help would be appreciated. Thanks! - Bob...more >>

EditStreamCallback Assistance Request (C#)
Posted by David at 9/20/2003 4:34:22 AM
Can anyone help me with the code required to support the RichInk EditStreamCallback in C#? I can instantiate the RichInk control, even send WM_SETTEXT to it successfully. However, I cannot seem to figure out how to create the callback routines so that I can handle the EM_STREAMIN and EM_STREA...more >>

Fatal Error Launching Application too
Posted by Johann Hsu at 9/20/2003 1:55:00 AM
I build "Hellow World" Application with vs.NET 2003 (vb.net) for ce.net 4.2 machine. Compile is OK, Build is OK, But I run this application in PDA(CE.NET 4.2) I get this error Fatal Application Error Application executed wrong task. If it is continued help for program provider. Execpti...more >>

Problem with GetTextExtentPoint
Posted by gianfranco.giugliano NO[at]SPAM infinito.it at 9/20/2003 1:34:30 AM
Hello I have a problem using the GetTextExtentPoint (the OS is Windows CE 4) Probably I made a mistake but I don't understand which is. I have no problems with the other GDI functions, I can draw the text but not measure it This is the declaration: [DllImport("coredll.dll")] private s...more >>


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