Device Drivers

error LNK2019 with fopen
I get the following error when I try to build a driver for WinXP with "build /cZ". error LNK2019: unresolved external symbol __imp__fopen referenced in function _WcettInit@4 I'm not sure what I am doing wrong. I have USE_MSVCRT=1 on my sources file, and I'm including stdio.h, but I don't know if I need to ... 22 May 2008 16:29

NO_DRV???
What does NO_DRV INFmeans? What are the implication as far as appearance in device manager goes? Will it make my device appear as "unknown"? If yes, how can I fix it? Thanks. ... 20 May 2008 00:21

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Virtual Storport miniport question
Hi All, 1) I included #include <wdm.h> and #include <storport.h> in my VMiniport driver. I am not including <miniport.h> in VMiniport driver because I can't include wdm.h and miniport.h together. Since I don't have any code example, I am proceeding like this. 2) I provided AddDevice() and PnP entry points to ... 20 May 2008 07:24

can not access a devices created through a miniport
Hi, In order to make a virtual miniport driver to communicate with a user-mode service, I' devlopping a NDIS driver that creates a device. But for a reason I don't understand, I can't access my device in user-mode (error : Invalid Handle) even if the name is correct and the IRQL is PASSIVE_LEVEL. I think th... 21 May 2008 04:01

private devmode members addition
hi friends, nobody help me regarding my private devmode addition problems :(. 5 days now that i look everywhere in the documentation and in the web. So, i still describe my problems. I add private devmode members in my postscript UI, OEMDEV struct. When I do this, when i try to update some features (for example: ro... 19 May 2008 11:28

Resource leak in SetupDiGetClassDevs()?
Hope this is the right newsgroup to post to. I've found a problem with trying to find out if a device is connected (under Windows XP if it makes any difference). I'm using the SetupDiGetClassDevs() function to get all the current device info, and afterwards I call SetupDiDestroyDeviceInfoList() (like MSDN tells... 20 May 2008 04:16

"SymGetLineFromAddr64(...) fails with "487",...
Hi, for Information purposes: OS is WIndows XP Up2Date: File is: dbghelp.dll, Version: 6.9.0003.113 (debuggers(dbg).080320-1813) Well is start debugging a newly created process which calls DbgBreakPoint internally. My debugger application traps into the EXCEPTION_DEBUG_EVENT (FirstChance) and then delivers... 19 May 2008 15:24

driver for Mouse like device
Hi I have to write a driver for mouse like device, which has all the functions like mouse and many more button. i am a newbi, and just read some thing about WDF and UMDF arch etc. I have couple of queries. can any one please help me out? 1) How do i begin? Do i need to write driver for mouse part of my devi... 20 May 2008 14:41

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