all groups > dotnet compact framework > april 2005
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Why is my bound form not clearing?!?!
Posted by Mike at 4/30/2005 8:19:01 PM
I am having some strange behavior trying to clear some textboxes on a form
that is bound to a datatable. The bizarre thing is that I have about 10
bound text boxes on my form, but I am only having trouble with two of them.
I have a button on my form, that when pushed, needs to clear the cont... more >>
Targetting CE4.2 from VS2005 beta 2
Posted by Hussein Ahmad at 4/30/2005 2:18:01 PM
how can we develop an application with visual studio .NET 2005 beta2 and
target Win CE V.4.2 ?
beta 2 is only targetting win CE V.5
--
Hussein Ahmad
http://HusseindotNET.BlogSpot.com... more >>
Power control question
Posted by Tim Johnson at 4/30/2005 12:45:58 AM
I'm setting the backlight brightness values and screen-dimming timeouts ok,
by setting registry values then using the OpenNETCF CreateEvent and SetEvent
for "SDKBackLightChangeEvent" to make it take effect. Now I need to control
the power-off timeouts too. I have 2 questions:
1. I notice ... more >>
Travelling Salesman algorithm for Compact Framework
Posted by Stian_Skjørestad at 4/30/2005 12:00:00 AM
Does anyone know about an example on a travelling salesman algorithm
that are implemented on the Compact Framework running on a pocketpc? I'd
like to see some C#-examples.... more >>
Custom Reports
Posted by anthony.davis NO[at]SPAM mptwo.com at 4/29/2005 7:38:26 PM
Hello all,
I have read a few articles on this board where people have been asking
for crystal reports on Windows CE.
I understand they are not available.
So I am about to sit down and begin to write a class that will create
very very simple reports on our handheld devices.
IE: Total sales by... more >>
XML to display, edit, save
Posted by Harry Simpson at 4/29/2005 3:50:30 PM
I'm trying to display data in a control to edit the XML file and then save
it back to the device's app directory.
This is simple with datagrid and a standard setting/value pair type of xml
but what idf i have a more complicated XML file with several sections and
several attributes in each n... more >>
Converting byte buffer to string
Posted by Tim Johnson at 4/29/2005 2:49:55 PM
I have to read an ASCIIZ byte buffer from a registry entry and display it on
my form. What's the right way to convert this to a C# string? I can see
the bytes as an object retrieved from the OpenNETCF registry, as in "0x41
0x42 0x43 0x00". I was hoping there was a simple convert statement, ... more >>
HOW TO SCROLL A TEXT BOX VERTICALLY WITHOUT FOCUS
Posted by Wiredless at 4/29/2005 1:10:50 PM
hi
Is there a way to scroll the text box without having focus on the control?
can i send it up and down keys without it having focus?
... more >>
Don't see what you're looking for? Search DevelopmentNow.com.
Bitmap(stream) and ArgumentException
Posted by Federico Del Bene at 4/29/2005 12:49:45 PM
I have this piece of code perfectly working on the full framework:
-----------------
byte[] b = binaryReader.ReadBytes(145206);
MemoryStream ms = new MemoryStream(b);
ms.Seek(0,System.IO.SeekOrigin.Begin);
System.Drawing.Bitmap bm = new System.Drawing.Bitmap(ms);
-----------------
But on ... more >>
How to specify different file and assembly versions
Posted by Patrick Berny at 4/29/2005 11:58:32 AM
Hi there:
I wanted to specify a different file and assembly version for our app and
dlls, but then realized that the AssemblyFileVersion attribute does not
seem to be supported in .NetCF.
Is there any workaround to achieve this easily inside VisualStudio or do I
need to compile manually ... more >>
System Call : ConnMgrEstablishConnection. Compact Framework Visual Basic .net
Posted by Alamo at 4/29/2005 10:10:23 AM
Dear Forum,
does Anybody has worked with the system call: "ConnMgrEstablishConnection"
on Visual Basic .NET Compact Framework?
Best Regards,
Álamo
... more >>
How do I install sql mobile server components (sscesa30.dll) on sql 2000?
Posted by niclas at 4/29/2005 9:13:29 AM
Hello!
In order to get sql rda or syncronization to work the handheld connects
to sscesa30.dll. I have tried to install the server replication
components on a windows 2003 server with sql 2000 sp3.
Can anyone please provide an howto and tell which version of the
replication components (v... more >>
Splash as the startup object locks the form
Posted by Eve at 4/29/2005 7:40:02 AM
I'm trying to use the Splash screen, but I observed a strange behavior. If I
specify the SplashForm as my startup object, the MainForm loads fine except
it's got a menu and when I click on the menu option (which loads another
form, such as About) none of the buttons - OK button in the upper ri... more >>
Saving image in picturebox to a jpeg file. Need help!!
Posted by Noble Bell at 4/29/2005 6:52:07 AM
I need a way to take a graphic in a picture box and be able to save that
graphic as a jpeg file. I can save it as a bitmap file but I need to save it
as a jpeg file. Does anyone have a solution in Vb.Net or C#.Net for the
compact framework? I have seen a solution written in embedded c that wil... more >>
How do I get notified when a TrackBar changes value?
Posted by mcruz at 4/29/2005 6:26:03 AM
I am developing a C# application on HP iPAQ, Pocket PC 2003. I want to use a
TrackBar. I do not see in the class definition support for the compact
framework to handle any of the events that indicate the "Value" property has
changed (ie no scroll or click or mouse up/down events). I found a... more >>
Create JPG on the fly
Posted by hanz at 4/29/2005 4:49:29 AM
Hello all,
I can not find any code that would help me to create JPEG in the
CF.NET. Is it possible and how?
Thank you in advance.
... more >>
Form closing unexpectedly
Posted by chris-s NO[at]SPAM mailcity.com at 4/29/2005 2:35:03 AM
Hi folks,
Grab a brew before you start reading, sorry for the detail!
We are experiencing a problem with our application whereby one form is
appearing to be closed by some other process. Alas, this is one of
those random problems that cannot be repeated.
Form 'A' has a button that brings ... more >>
OpenNETCF ListBoxEx scrollbar width
Posted by augustesen NO[at]SPAM privat.tdcadsl.dk at 4/29/2005 1:27:33 AM
Hi
I am using the OpenNetCF ListBoxEx component and it works fine, except
that I can not change the width of the scrollbar in the ListBoxEx.
Can anyone tell me how to do this??
Thanks in advance.
Regards
Søren Augustesen... more >>
Error handling - part 2
Posted by Rob S at 4/29/2005 1:13:58 AM
Can anybody relate to this:
http://www.experts-exchange.com/Programming/Programming_Languages/C_Sharp/Q_21405823.html
???
... more >>
[C#] How can I obtain the process list ?
Posted by Freddyboy at 4/29/2005 12:28:02 AM
Hi,
I'd like to obtain the process list with C# ?
Do you know how can I do ?
Thanks.
Best Regards... more >>
How to get CF 2.0 in VS2003
Posted by Matthias Heise at 4/29/2005 12:00:00 AM
Hello,
I just downloaded Compact Framework 2.0 Beta and it was installed
automaticly via ActiveSync on my Device but how can I tell VS2003 to use CF
2.0 instead of version 1.0 when I develop an application?
Thanks for any hints.
Matthias
... more >>
Problem with read file
Posted by Saep at 4/29/2005 12:00:00 AM
Hi,
I have a problem with Compact Framework VB.Net.
I open a textfile with:
Dim sr As StreamReader
sr = File.OpenText(ParametriApplicativi.PercorsoPCFTP & "\phvrx.txt")
Then I read the line with:
strRiga = sr.Read()
The line in my Text file is 200 Characters. If in this line there is a ... more >>
Problems to install...
Posted by Sebastián::PJ at 4/29/2005 12:00:00 AM
Microsoft Pocket PC 2003 SDK
Hi all
When I double click the msi file it does nothing... actually, there's a =
real quick view of a window and that's it?
Anyone having the same problema???
--=20
Check my blog out at:
http://sgomez.blogspot.com... more >>
SDK installed?
Posted by Sebastián::PJ at 4/29/2005 12:00:00 AM
How do I find out if my Pocket PC 2003 SDK is installed?
Whenever I want to install it nothing happens, so I assume that it is =
already installed, but when I tryied to install the Windows Mobile 2003 =
SE Emulator Images, it tells me tha the Pocket PC 2003 SDK should be =
already installed!!!
... more >>
Can I access the contacts list inside a VB.NET program.
Posted by JamesL at 4/28/2005 9:18:04 PM
Is there a way to access the contacts list inside a VB.NET program. I do
not want to display the list in it's native environment however. I am
looking to display just the names in my own Vb form.
James Lysaght
... more >>
Problem with WaveIn in P/Invoke Example
Posted by Aziz Vasi via DotNetMonster.com at 4/28/2005 12:26:05 PM
Hi,
I have downloaded the P/Invoke Library Sample from MSDN
http://msdn.microsoft.com/library/default.asp?url=/library/en-
us/dnnetcomp/html/waveinout.asp
I am deploying the program on Pocket PC 2002 Emulator. I am facing the
following problems:
WaveIn Test:
It gives the following error w... more >>
Does CompactFramework function in PC based Windows environment?
Posted by Timothy Casey at 4/28/2005 12:22:35 PM
1. Does CompactFramework work on PC? IE Can I use the compactframework in
place of the standard framework to allow my packages to be more accessible
to PC users whoe download them via dialup?
2. Does Compact Framework ship with VB7 .NET 2003 "Standard" or is there a
patch/download I can get fr... more >>
Detect if activesync is installed is on PC
Posted by mythrang NO[at]SPAM gmail.com at 4/28/2005 11:59:01 AM
Is there a way to detect if activesync is installed on the pc? I have
an Application and I want it to check to see if activesync is
installed.
i've used OpenNETCF.Desktop.Communication.dll to check for active sync
it works however when garbage collection happens i get a null refrence
excepti... more >>
Open form in a seperate thread?
Posted by Doezel at 4/28/2005 11:41:14 AM
Hello,
I have a mainform. This mainform opens another form which starts a thread
for serial communication.
No I want to open antother from from my mainform (as the mainform is my
login screen).
I open it like this:
frmMainMenu MM=new frmMainMenu();
MM.ShowDialog();
But this cause... more >>
Dynamically loading Managed DLL Plugins at Run-Time with Symbols
Posted by Jon Brunson at 4/28/2005 11:15:09 AM
I've posted this before, way back in October, but since then I've not
resolved the issue, and was hoping someone now reading the Newsgroup
might be able to help.
I'm loading some DLL plugins into my app on a Mobile Device, it all
works fine, and the plugins work perfectly, except for the fa... more >>
Memory Leak due to objects not destroyed
Posted by Guillaume C. (France) at 4/28/2005 10:52:04 AM
Hi everybody!
we developped an .NET CF application, and we experience a memory leak at
runtime which continues until having a out of memory. I work on it since a
few days, i've been googling a lot to see similar problems, but nothing
helped me.
The problem is in fact simple : I have some ... more >>
mobile development systems... what is best?
Posted by Wiredless at 4/28/2005 10:23:48 AM
Hi,
I will be starting mobile development with Visual Studio 2003 for Pocket PC
devices and Smartphones.
What system would be best for compiling code and general development of
mobile devices? I'am looking at notebook systems with the Intel M770
(2.13ghz) vs. a Pentium 4 3.2ghz system?
... more >>
Embed Windows Media Player in my Pocket PC app
Posted by Noulouk Noulouk at 4/28/2005 10:16:40 AM
Hi,
I build a windows app in which I can play, stop, pause ... videos by
controlling Windows Media Player.
In VS 2005, I just add the wmp ocx in the toolbar, then drag-drop wmp in
my form and the interop is created (it's magic), so I can code wmp:
axWindowsMediaPlayer1.URL="myUrl";
axWindow... more >>
Bluetooth
Posted by Giovanni Rena at 4/28/2005 9:36:03 AM
Hello,
after I start "Bluetooth Connection" in the Control Panel, Windows tries to
initialise wireless systems und looks for wireless devices. Can I make this
automaticaly, maybe with a C# application? If yes, whats the name of the
classes, has somebody an example?
Giovanni
thanx
... more >>
iterate through controls on forms, groupbox and panels
Posted by dantheman at 4/28/2005 8:46:51 AM
Hi,
i'm doing a programe in a few languages so i've found this code that
iterates through the form controls and returns there names
so i can switch languages
but the problem is after re-parenting the controls to optimize the code
i don't get the names of the controls on my groupbox or my pa... more >>
ComboBox issues
Posted by Michael Baltic at 4/28/2005 7:00:02 AM
I have read all the posts on the combo box long load times. Here is my issue:
1. I have a ComboBox with a list of Custodians in it.
2. I scan an Asset tag to look up its details.
3. The ComboBox selects the Custodian from the Asset details.
4. If there is no Custodian, the ComboBox displa... more >>
PC Connection, GPRS Connection - bit random?
Posted by Rob S at 4/28/2005 6:56:03 AM
While i'm in the question asking mood i have one more today.
We're using PocketPC on the Qtek 2020 handhelds.
We have a GPRS connection setup which works fine.
What's strange is this... some of the time if you put your handheld in the
cradle and click the gprs icon thing in the title bar,... more >>
Weird, weird problem...
Posted by Rob S at 4/28/2005 5:44:07 AM
This problem kind of defies belief but i'll try and explain.
I have one version of my application that connects to a socket through a
GPRS connection. This all worked fine for ages.
Now i've just updated some GUI bits and peices (have NOT changed any of the
socket code) and now suddenly th... more >>
Error handling
Posted by Rob S at 4/28/2005 4:44:03 AM
[C#]
I have three classes
The first class calls a method on the second class, from the second class a
method from the third class is called.
If an error is caught in the third class i simply bubble it back to the
calling function, like so: throw new Exception (ex.Message);
However f... more >>
Cannot establish connection
Posted by Rob S at 4/28/2005 3:54:02 AM
Age old problem i know. I've searched through the archives and tried most
things but it's still not working.
Error: Cannot establish a connection. Be sure the device is physically
connected to the development computer.
I've repaired my VS.NET install, i've reinstalled activesync, i've gon... more >>
Play wav from embedded file
Posted by Rob S at 4/28/2005 1:06:03 AM
Hi there,
Searched the archives on this but still can't find a solid answer.
I've managed to display a bitmap from an embedded file, however i can't seem
to figure how to play a wav file from an embedded file.
Any help would be greatly appreciated.
Thanks... more >>
NumericUpDown_TextChanged and _KeyPress events never fires
Posted by Robert at 4/28/2005 12:53:50 AM
I am trying to stop users from typing in non-numeric characters into the
NumericUpDown control in both above mentioned events, for example"
Private Sub updQt_TextChanged(ByVal sender As Object, ByVal e As
System.EventArgs) Handles updQt.TextChanged
if Not IsNumeric (updQt.Text) then up... more >>
Creating a new object
Posted by KM at 4/28/2005 12:00:00 AM
Hi group
I´ve created a new class but I can´t seem to access any of the public
subs in the class. The class:
Public Class testClass
Public iTest As Integer
Public Sub New()
iTest = 0
End Sub
Public Sub add()
iTest = iTest + 1
End Sub
Public Function returnValue... more >>
Pls Hlp: How can I make my custom labels have transparent backgrounds
Posted by ShakeDoctor at 4/28/2005 12:00:00 AM
Hi, I have a custom label control which is clickable.
However, the background of the label is white, and you can't set it to
transparent in the property window because it says it is not supported.
Here is the code, what do i need to add to make the BackColor transparent?
public class Cus... more >>
Cannot step into unmanaged code from managed code
Posted by Smith at 4/28/2005 12:00:00 AM
I have a project with an unmanaged ATL Smart Device project and a .NET CF
PocketPC 2003 SE application.
I cannot step into my unmanaged COM object's code from the .NET application.
Is managed-to-unmanaged debugging supported or not with Visual Studio .NET
Beta2?
Thanks.
... more >>
Shortcut to a file
Posted by Matthias Heise at 4/28/2005 12:00:00 AM
Hello,
I just want to create a shortcut to my program in the "Start" Menü (or
Desktop) of the PocketPC (with .NET). Can somebody give me an idea how to do
this?
Thanks
Matthias
... more >>
OpenNetCF for VS2005
Posted by Thore Berntsen at 4/28/2005 12:00:00 AM
Does anyone know if there cwill be a OpenNetCF library for VS 2005? If yes,
is there a beta somwhere that I can take look at?
Thore Berntsen
... more >>
Compact framerk, multithreading Invoke problem
Posted by Piotrek \ at 4/27/2005 11:32:18 PM
I found very good article:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dntake/html/yctiwy_multithreadingandui.asp
But they can use BeginInvoke and invoke with 2 parameters, but my visual studio
don't allow to do that, even it can't find BeginInvoke method. Maybe somebody
k... more >>
NETCF V1 SP3 Developer is available for download.
Posted by ilyatum NO[at]SPAM online.microsoft.com ( at 4/27/2005 11:25:15 PM
SP3 Developer redist can be downloaded from this location:
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=7bf3
13b9-71ed-4e15-ad6e-315dae6faf9f
Best regards,
Ilya
This posting is provided "AS IS" with no warranties, and confers no rights.
... more >>
Calendar alarm
Posted by Jeff at 4/27/2005 7:08:16 PM
Has anyone implemented an alarm like the one used with WindowsMobile
Calendar? I'm writing a program (C#) that allows a user to set
a date and time for meetings, appointments, etc. and have a MessageBox
pop-up when the set dateTime occurs. I don't even know where
to begin and am looking ... more >>
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