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Releasing COM Port from Active Application
Hey everyone, I have a running application that is communicating to some hardware via COM1 serial port, but I want to use that serial port for my own application. So, is there a way that I can get the running application to release the COM port while I use it on my application, then allow original app to re-ass... 29 Jul 2008 19:53
How to get Device Status of Audio
Hello, From Device Manager, I can double-click on "SigmaTel C-Major Audio" and in the Device status on the property page it says "This device is working properly". I want to get this Device status programatically in a C++ function so in a program I can determine if the device is working or not. After severa... 30 Jul 2008 12:18
WinXP serial port driver - Serial to IP communication
Hello I want to develop a serial port driver that is able to pass over all data to a specific IP address. My questions are: 1. How to add a virtual COM ports to the Device Manager so that they are available as normal physical ports? 2. Which technology/API to use to access IP (Winsock probably not possible) l... 31 Jul 2008 10:18
Creating a compressed folder - programmatically
Is there any way to programmatically create a folder and have the "Compressed" attribute set to ON? I would like to be able to do this from either C++ or VB. ... 28 Jul 2008 19:16
Named Shared "memory" or "file"?
Is using CreateFileMapping/MapViewOfFile functions means sharing "Memory" or "File" on the disk? I compiled that code for both http://msdn.microsoft.com/en-us/library/aa366551(VS.85).aspx -INVALID_HANDLE_VALUE, // use paging file (that is on the disk) and -"C:\\a.txt" //physical file too. All of them wor... 29 Jul 2008 12:39
How to add Folder Toolbar on TaskBar
There seems to be some confusion or not so straight info on this subject. The goal is to add a Program Group FOLDER (one created by an install program) to the Taskbar programmatically so that application start menu programs's folder is part of the taskbar. What API functions will handle this? The issue is ... 27 Jul 2008 14:32
SetupDiGetClassDevs fails with 997 on Windows 2000,...
Hi, running my application on windows 2000 returns error code 997 for SetupDiGetClassDevs calling it "SetupDiGetClassDevs(NULL,0,NULL,DIGCF_ALLCLASSES") On Vista and XP it just works fine,... Any Ideas,... Regards Kerem -- ----------------------- Beste Gr�sse / Best regards / Votre bien devoue ... 27 Jul 2008 12:29
unique NTFS file ID
I'm porting an application from Unix and have encountered a problem. On Unix there's a canonical test for absolute file equality: if two files (or file handles) have the same inode and device numbers, they must be the *same* file. I've been unable to find an equivalent test on Windows. Especially with the ad... 24 Jul 2008 19:06
Using Windows ThreadPool's IO-Threads
Hi, In my IOCP based socket server I plan to use Windows Threadpool. My server will be a switch so it will receive some form of data from a client and send it to an intended client. I have constant number of threads for IO completions (IOCP workers). But I need a real ThreadPool for further processing of ... 24 Jul 2008 09:48
Is there an IRC channel which talks about driver development?
Posting to google groups seems to take 24 hours before my questions are posted. ... 23 Jul 2008 14:19
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