Problem calling GetSaveFileName from a PrintOEMUI dll

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  - 1
    - What driver should I develop for usb microphone interface? I would write a driver for microphone interface embedded in usb PC camera. I have no idea what kind of driver I should develop, AVstream driver or others? Does DDK contains sample code to demonstrate this ? or any other site contains the sample code? Best Regards Jackal Huang Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56169
  - 2
    - A DDK sample bug? or not? Hello, I noted a very common pattern/technique in the DDK sample code: In a dispatch routine for IRPs like IRP_MN_START_DEVICE, you initilize an event on the stack that the completion routine is supposed to set. After the call to the lower driver you wait on that event: status = IoCallDriver(deviceExtension->NextLowerDriver, pIrp); if(!NT_SUCCESS(status)) { ERROR HANDLING... } // // MS: Wait for lower drivers to be done with the pIrp. // Important thing to // note here is when you allocate memory for an event in the stack // you must do a KernelMode wait instead of UserMode to prevent // the stack from getting paged out. // if(status == STATUS_PENDING) { KeWaitForSingleObject( &event, Executive, KernelMode, FALSE, NULL ); status = pIrp->IoStatus.Status; } You probably have seen this technique. Seems OK? What I don't understand is what prevents the stack from being paged out by the time the completion code tries to set the event if that happens before the KeWait...() is reached. The only resolution I see is if it is guaranteed that the completion thread is the same thread of the dispatch routine (but then why bother with events at all...). What am I missing? Thanks, Nir Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56168
  - 3
    - Does USB isochronous transfer have buffer alignment limitation? Dears, I meet one strange problem for USB 1.1 isochronous transfer. My test driver is based on the usb isochronous sample in XPDDK. The maximum packet size of isochronous endpoint is 1022. The driver sets the buffer offset of each ISO packet according to maximum packet size. After the driver prepares the internal Irp and urb for transfer, it calls IoCallDriver to pass request to bus driver. However, bus driver neither send isochronous IN command on USB bus nor return error status. The complete routine is never called. However, if the driver sets the buffer offset to 512 byte alignment for each ISO packet, bus driver performs the isochronous transfer well. Does USB isochronous transfer have buffer alignment limitation? If bus driver doesn't have this limitation, what's the possible reason for this problem? I have sufferred this bug for several days. I don't see any sample code aligns the buffer offset for usb isochronous transfer. Please give me some suggestions. Best Regards Jackal Huang Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56167
  - 4
    - About USB BulkIn and BulkOut Hi all, May I do BulkIn and BulkOut at the same time in the USB Wireless driver ? Because I found some weird things in my BulkIn complete routine, I got the wrong pIrp(not my previous allocated Irp before call IoCallDriver) in the BulkIn complete callback routine. Does someone encounter this? can somebody throw some light on this ? Thanks! Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56156
  - 5
    - MAC address Can anyone mail me how to retrive MAC address in a NDIS intermediate driver. Tried OIDs(OID_802_3_CURRENT_ADDRESS) in miniportqueryinformation and miniportsetinformation to retrive the mac address it did not work. Thanks Senthil Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56149
  - 6
    - IoReportTargetDeviceChangeAsynchronous Availble on Windows 2000? Hi, Can you use PnP custom notification on Windows 2000? There's nothing on the MSDN, online or off, that I could find, that indicates that it's not useable for W2K. The only problem is that the function IoReportTargetDeviceChangeAsynchronous isn't defined in the W2K DDK libraries. It is however, in the Windows XP DDK libraries. If I build my drivers with the XP libraries, and don't use RtlVerifyVersionInfo with VER_SET_CONDITION (see http://www.microsoft.com/whdc/driver/tips/drv-tools.mspx#EBAA) or any other "XP-only" functions shouldn't the driver work in W2K? Thanks for reading, Phil Garofalo Chicago, IL Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56148
  - 7
    - 802.11e related question... I am implementing 802.11e related features in to our WLAN miniport driver. I am trying to understand how the QoS related information (like TSPEC etc) will be passed down to the driver so that the same can be passed on to the MAC. All I could find (from DDK) was 802.1p/q related priority information. Has anyone worked on 802.11e + NDIS before? Any pointers? Thanks! Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56144
  - 8
    - CHAT: Preparing your device installs for 64-bit Windows and Longhorn Ask The Experts: Preparing your device installs for 64-bit Windows and Windows Longhorn Difx Tools version 1.1 released on October 22nd. Join Microsoft experts to learn how to use these tools for x64 and Longhorn ready installs. Some of the topics discussed will include: 64-bit device driver installation, readying your driver installs for Locked down Plug and Play in Windows Longhorn, and using Difx tools to create multi-platform device installs. December 9, 2004 12:00 - 1:00 P.M. Pacific time Chat time for cities world-wide: http://www.timeanddate.com/worldclock/fixedtime.html?month=12&day=9&hour=12&min=0&sec=0&p1=234&sort=1 To add this chat to you calendar: http://msdn.microsoft.com/chats/outlook_reminders/04_Dec9_64b_LH.ics For more info on MSDN chats, including other upcoming developer chats, chat archives, and other info see http://www.msdn.microsoft.com/chats Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56138
  - 9
    - Turning on a Device causes a Windows 98 mapped drive to fail ? We have written a Device Driver for a legacy ISA Interface Card with Visual C++ 5.0 and the Windows 98 DDK (Driver Development Kit), using Chapter 7 of Walter Oney's book "Programming the Microsoft Windows Driver Model". The device is an Ionosonde and is remotely controlled over a network by a drive letter x:\ mapped to UNIX PC. The Control software works OK at first but after switching on the Ionosonde a few times, via the Windows 98 Device Driver, the x:\ drive fails. There is no problem if the x:\ drive is mapped to a different UNIX server or when polling the local c:\ drive on the Control PC instead. Any help would be appreciated. Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56132
  - 10
    - Strange error when starting a service... I am having a really strange problem that hopefully has a simple and obvious solution that I am just not seeing. I am installing drivers for a device, and I have to copy several drivers over in the process to System32\Drivers. In the INF file, I copy all of the driver binaries to the %12%\drivers directory, and all the binaries get copied to c:\winnt\system32\drivers (I've verified this post install). In the registry entries for the various services that I'm installing, they all contain "System32\DRIVERS\" and then the binary file name as the ImagePath key. All of the services have the exact same directory (there are no typos or anything, all are generated by the %12% in the install INF file). All but one of them work. One of them gives me an error when you try to start it that it can't find the file. Which is odd, because it's right there in the System32\Drivers directory. Here's the oddity. If I set the ImagePath to point to another directory - it works fine. If I then set it back to "System32\DRIVERS\filename.sys", it now works without a problem. Does anyone know what I am doing to copy this file wrong? Thanks in advance if anyone can help. Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56128
  - 11
    - USB Interrupt channel I am trying to setup a call back for USB interrupts from my printer. How can I initialize an interrupt channel and setup a call back function in my Language Monitor? \Manfred Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56127
  - 12
    - Using SetPort to display custom messages in the spooler I am trying to display a custom message in the spooler instead of the default messages. I am using SetPort with a PortInfo3 structure. Copying the string with PortInfo3.pszStatus = _wcsdup(TEXT("My Text")); The text is actually accessible but will not be displayed by the spooler window. SetPort( NULL, PortName, 3, (LPBYTE)&PortInfo3); What am I doing wrong? \Manfred Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56126
  - 13
    - usb enumeration issues. We have 2 devices with the same VID but different PID's. When we plug in both they enumerate. If we unplug one and plug it back in it either will not enumerate or will bring up a new hardware found dialog. It always works when the other device is not plugged into the computer. Has anyone seen anything like this? How do you fix it? Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56124
  - 14
    - How Do I invoke a network redirector to connect to a remote host? Hello, I'am trying to understand how a "net use * user@host" invokes the network redirector to connect to a remote host. I use a non-predefined network provider type (WNNC_NET_TYPE), so I could use it for ftp or something similar. The network provider library is invoked by the mpr to determinate whether the target belongs to the network provider or not. If I return WN_SUCCESS I guess then NPAddConnection() is called. And what happends then? Is it the responsibility of the network provider to call a IOCTL or FSCTL of the FSD? Could I send a FSCTL with IRP_MN_USER_FS_REQUEST as minor function? Thank you for your efforts! -- h.wulff [dont send me an email] Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56122
  - 15
    - What DLL supports UpdateDriverForPlugAndPlayDevices I'm trying to create a VB friendly API declaration for UpdateDriverForPlugAndPlayDevices. However, I cannot seem to locate the DLL that supports this function. The only reference in the MSDN indicates the function is declared in newdev.h. Reviewing that file does not reveal what DLL the function is called into. I did a view dependencies on setupapi.dll but did not see this function declared there. Searching Google isn't helping either since everything is in C which also does not reveal the supporting DLL. Does anyone know? Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56119
  - 16
    - Aborting Irps for USB Endpoint 0 How do I abort Irps in process for Endpoint 0 of my USB device? I see that I can send an Urb of type URB_FUNCTION_ABORT_PIPE, in which I specify the pipe handle. But I where do I get a handle to Endpoint 0? The USBD_INTERFACE_INFORMATION structure seems to contain information about pipes, but not for Endpoint 0. Thanks in advance for the help, Dennis Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56113
  - 17
    - SL_PENDING_RETURNED and IoMarkPending Hi (if walter is there:)), I was going through walter's Book in the section "Why Completion Routines Call IoMarkIrpPending" it reads - >>> But notice that the driver that called IoMarkIrpPending only managed to set SL_PENDING_RETURNED in its own stack location. The drivers above it actually returned STATUS_PENDING, but they didn't call IoMarkIrpPending on their own behalf because they didn't know they'd end up returning STATUS_PENDING as proxies for the guy at the bottom of the stack. Sorting this out is where the boilerplate code in the completion routine comes in, as follows. As IoCompleteRequest walks up the I/O stack, it pauses at each level to set the IRP's PendingReturned flag to the value of the current stack's SL_PENDING_RETURNED flag. If there's no completion routine at this level, it then sets the next higher stack's SL_PENDING_RETURNED if PendingReturned is set and repeats its loop. It doesn't change SL_PENDING_RETURNED if PendingReturned is clear. In this way, SL_PENDING_RETURNED gets propagated from the bottom to the top of the stack, and the IRP's PendingReturned flag ends up TRUE if any of the drivers ever called IoMarkIrpPending. >>> if i understand it correctly if SL_PENDING_RETURNED set means that STATUS_PENDING was returned by one of the driver, and then it helps IO manager in deciding that an APC is needed or not during completion. What if in a 3 driver stack driver no 2 marks IRP pending ? in that case the the top driver dispatch routines returns STATUS_PENDING and in IO Completion propogates SL_PENDING_RETURNED it using boiler plate if (Irp->PendingReturned) IoMarkIrpPending(Irp); does that also mean that an APC will not be scheduled for that thread ? I belive if the the Top level Stack location has Pending Set then the APC will be skipped and if not then it will scheduled. if there is no APC scheduled then by which means the buffers will be copied to the user space ? Could anybody shed some light ? Regards Subodh Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56107
  - 18
    - NdisOpenFile( ) gives blue screen Thanks a lot for quick responses. Firstly i am tracking some (specific) packets and bound to open file after exchange of those (specific) packets. In short, for me it is useless to open file in MiniportInitialize( ) so where else can i try NdisOpenFile( ) with IRQL=PASSIVE_LEVEL ? For me the ideal place was MPSend( ) where i was tracking packets but that place has IRQL=DISPATCH_LEVEL (as I have come to know). Secondly i am trying "KeGetCurrentIrql()" even ntddk.h (or wdm.h) is included. But my compiler is giving error "C4013, KeGetCurrentIrql undefined" Recommedation required With Thanks Umer Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56105
  - 19
    - (Re: )IM protocol driver performance and optimization [[Unable to retrieve message 84bdcc66.0412030325.70125378@posting.google.com]] Thanks for your responses. It seems I have to be more specific as to what I want, or why I thought an IM driver would be appropriate. We (mis-)use NDISUIO/NDISPROT just as the interface from the miniport to the user level which works well. However, it seems to me that adding any "real" protocol in there would make things messy and hard to maintain, since I would be mixing two things, a protocol (manipulating contents) and a 1:1 packet to IRP packer (struggling with OS issues). So I thought I needed something to go between the miniport and the "protocol", i.e. the user level interface, and the thing that seemed to fit like a glove was an IM protocol driver. In there I thought I could strip the 14 byte Ethernet header and the proprietary protocol headers and trailers by just manipulating the MDL start address and length and get away without any memcopies. (I know it is not nice to assume that an NdisPacket will always consist of N NdisBuffers which are just MDLs. I was also hoping that I could somehow ensure that N=1. We work in a fairly special purpose market, so the number of different Miniports we have to support are fairly limited and stable.) That way I could also modularly switch between different proprietary protocols without having to duplicate the UIO part every time which is fixed for any NIC and any protocol. If IM protocol drivers are inappropriate for what I want, is there another way to achieve these goals in XP? Can I put a second protocol driver in the chain instead? Is there a sample for that? Is that efficient, or do I have to work with IRPs and the I/O manager? How is IP and TCP implemented in Windows? I hope they do not use IRPs as the mechanism? I would assume that IP and TCP are separate, since UDP and ARP work over IP without TCP, but then I only see one "entity" to "tick" in the network properties dialog. I guess I was hoping for something like STREAMS in System V, but enough rambling. What we want to achieve? Get the data from the hardware into a contiguous user level memory area FAST, removing the headers and trailers of Ethernet and error detection/correction protocol on the fly, sometimes rather infrequently the packet content needs to be modified (on error correction). The normal case needs to be efficient, the rare case not (obviously). At the same time the whole thing should be easily maintainable and open to changes in the protocol or even changes in the implementation of the same protocol, e.g. modular etc. Thanks again for any help. PS. Yes, I have tried to share memory between kernel and user, but I still have to transfer the packet content from the NDIS data structures to the shared memory and then copy again to remove the headers and trailers. Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56103
  - 20
    - Launching Application from USB composite Device on Plugin. Hi, Please suggest, if there is a way to launch an application from USB device based on event. (example -Plug in). Application resides in USB device memory. I have flexibility to make the device as HID/Mass storage/CD. I prefer it to be a HID device, to use with 98-XP. Thanks, ArulVraj Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56102
  - 21
    - Having MSDN Subcription, but how to get supports from Microsoft? Hi everyone, My company has bought a MSDN Subcription from Microsoft, I know that with it we can get some supports from Microsoft but I dont know whom should I contact to? What I would like to ask Microsoft is: My company developed a Remote Tv Tuner that produces MPEG-2 PS and we now have our TVPlayer that can view the TV well. But we now want to develop a kind of TV Tuner driver compatible with MCE so that the MCE can recognize our TV Tuner and play. But we dont know how to begin because all the documentation from Microsoft is for real TV hardware Tuners plugging at the PCI but we dont have any real hardware but MPEG-2 PS from the remote Tv Tuner. Someone from Microsoft could support me the technical information about this? Any information will be very helpful, Thanks, Truong Duc Do, Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56100
  - 22
    - Automating Driver Installation in Windows 98 Is there any way to automate the device driver installation process in Windows 98 instead of "add new hardware" Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56094
  - 23
    - IOCTL_STORAGE_RESET_BUS doesn't clear SCSI Reservations. Hi, I am trying to use IOCTL_STORAGE_RESET_BUS. I have a set up where two Windows Machines are sharing a library over SAN (using Brocade silkworm 2400 switch). One of the machines is windows 2003 server and other is windows 2000 server. IOCTL_STORAGE_RESET_BUS actually works on W2K3 machine (HBA is Emulex LightPulse 9000) and it clears all Previous SCSI Reservations (done using SCSI command 0x16) on the drives in the library and I could see Event in Windows Event Viewer saying that SCSI bus has been reset on request. I could then reserve the same drive from another machine. Problem is that IOCTL_STORAGE_RESET_BUS on W2K machine returns success but (this one is Q-Logic QLA2340 HBA) it doesnâ??t clear previous reservations made on drives. I see event in windows event viewer after that saying that â??The device, \Device\Scsi\xxxxxxx, did not respond within the timeout period.â?? I enabled options to allow Target Device Reset from QLogic Bios Configuration Utility-Advanced Adapter Options but that didnâ??t help. On w2k3 system, I tried it with both Scsiport-Miniport and Storport-miniport drivers and it worked and clears reservations. But on w2k system it doesnâ??t clear the SCSI reservation. Anyone has any Idea why this might be happening? Any help on this will be really appreciated. Thanks and Regards. Hetal. Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56090
  - 24
    - Launching A User Process From Printer UI Plugin I need to launch a process from the OEMUI plugin to process some data from my virtual printer driver. The problem is it always launches as the user SYSTEM. I was under the impression from previous posts that the UI always ran at the user level. I don't want the process running as SYSTEM for securtiy reasons. How can I get the process to run as the current user viewing the desktop? I've noticed that the spawned process does not always show up on the visible desktop when a "Switch User" is performed. I've tried launching from both the port monitor and the UI plugin but it always comes up as SYSTEM and not always in the visible desktop. The Adobe PDF virtual print driver and the Microsoft Office Document Image Writer both launch programs to process data and they both do it as the correct user so I know it can be done but I can't find the correct calls to make it work. Any help is appreciated. Thank you, Bob Herzberg Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56089
  - 25
    - EngTextOut has different output for Print To File Hello, I've found an odd situation and I can't figure out where to look. I have a monolithic usermode print driver. It typically punts TextOut calls right back to GDI's EngTextOut without changing any of the arguments. The odd behavior is this: An application makes 4 calls to TextOut a.) Regular font weight, right-side up b.) Bold, right-side up c.) Regular, sideways d.) Bold, sideways The right-side up text looks fine, but the sideways text looks different. The characters are wider, the bold characters are heavier, and the regular characters appear slightly stretched (most visible on numerals with loops, like 5 and 8). By sideways I mean rotated 90 degrees. It's the same characters in every instance, same font. If I print to a file, everything looks correct, however. -- Matt Kane mkane@zebra.orange.com minus fruit Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56087
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  - 1
    - BSOD shuts down the Harddisk Hi there, i'm looking for a possibility to prevent Windows from shutting down the Harddisk at BSODs. After digging around in the MSDN my nearest findings were at the IRP functions, especially IRP_MJ_POWER I *think* Windows sends a IRP or something else to the Device Driver at it shut down the Drive. But this seems to be depending on the Device Driver itself, because only the Boot-Disk with Standard IDE is shut down, not the other Disk on my RAID-Controller. Perhaps the RAID-Controller ignores the Command ? Any Idea ? Greeting, Thomas Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56085
  - 2
    - UpdateDriverForPlugAndPlayDevices for 95/98 I see that the function UpdateDriverForPlugAndPlayDevices is only supported in ME+ and NT4+. What is the sister function if you will for 95 and 98? Thanks! JW Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56078
  - 3
    - File system emulation We are designing a special-purpose embedded recorder. The storage media is removable and will be connected to a PC via an IDE or SCSI interface (note - several such media can be connected to the PC at the same time). The recorder implements a proprietary file system, which is totally unlike the standard MS file systems (i.e. FAT32, NTFS, etc.). There are many good reasons for that and it is not going to change. The "directory" structure of our proprietary file system is fixed (it contains 2 levels of directories and at most 100 files total). Individual files can be quite large - may exceed 4 GB. We are capable to access our media (performing raw sector read/write accesses) - no problems there. We need to provide to the user the ability to perform standard file operations on our media, using standard Windows utilities (e.g. Windows Explorer). This is important from a marketing perspective. Ideally, we would like the removable media to behave something like an M-Systems Disk On Key (i.e. once the media is inserted, the user will see a new drive and should be able to invoke Explorer operations on it). We understood that this may be difficult to accomplish. Instead, we were advised (in the course of a Microsoft seminar) to perform the following: a) Once sensed that the media is inserted, our software automatically creates a directory (on a normal hard disk). It reads the contents of our media and creates small dummy files in the created directory that "mirror" the files on our media. This directory is removed by our software upon sensing that our media is removed from the PC. b) We install a filter driver beneath the file system (between partmgr.sys and disk.sys). Then, when a user-invoked application (e.g. Windows Explorer) performs some action on one of the dummy files, our driver intercepts the IRP (MJ_READ), performs the operation vis-a-vis our media and completes the IRP vis-a-vis the I/O manager. As far as the user is concerned, it seems as if the operation was performed vis-a-vis the actual file on the media rather than vis-a-vis the dummy file. 1. We tried doing that and found out that instead of logical file offsets, our driver receives physical disk offsets, which is not actually surprising, but it is not good for us - obviously we need to know the logical file offset which the user-invoked application tries to access. 2. Also, we found that it is necessary to make the dummy file as large as the actual file on the media in order to achieve usable results. We achieved this by using SetFilePointer on the dummy file. On a FAT32 disk that takes a significant amount of time for a large (multi-gigabyte) file. On NTFS that does not take time, however when subsequently trying to access the dummy file via Explorer, nothing happened (no requests were received by our driver). Even if ignoring the question of the time it takes to perform SetFilePointer, this approach also requires user's PC to have a large amount of spare storage on his disk, which is problematic from marketing point of view. Also, on FAT32, we were not able to create a file larger than 4 GB, which is not good enough for our application. Can you suggest anything? Thank you for your help. Beni Falk Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56075
  - 4
    - how to force non-debugging compilation (Win2000 DDK) I am compiling a .dll driver in Free-Build environment. When inspecting the .dll with Dependency Walker, it tells me "Debug - Yes". What should I do to turn this to No ? I am using Win2000 DDK, compiling the driver with "build -cZ" command. Cristi Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56074
  - 5
    - NdisOpenFile( ) gives blue screen hi.... Thanks a lot for your quick responses I am explaining a little more about my Ndis driver. I have used "passthru" sample of DDK. In passthru there is a file miniport.c In miniport.c there is a function MPSend( ). In this function i call my function named CopySendPacket( ) which is using NdisOpenFile( ). When this function is called BSOD appears. Using stack command, SoftIce displays following (hope this may help) 8053B438 80574AC1 ntoskrnl!ExInterLockedAddLargeStatistic 8053B480 80578F0D ntoskrnl!IoCreateFile+0036 8053B4C0 804D4E91 ntoskrnl!IoCreateFile+002E 8053B4F4 00000000 ntoskrnl!KeInitializeInterrupt+0A7C Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56072
  - 6
    - Creating a storage driver with multiple bearers for connection. Hi, I am trying to make a storage driver that connects to the device using multiple bearers like USB, Bluetooth or InfraRed. What i mean by this is the storage driver should be loaded by windows when the device comes in contact with the PC by any of the above mentioned means. For this, the model I have thought of uses a two layered approach wherein the first layer handles all the storage functionality and the second layer handles all the connection functionality. Using this model, I can have the first layer common, and vary the second layer for the three means of communication. The problem is that I cannot understand the way in which i can do this (separating the storage and connection part of the driver). Would appreciate any suggestions on the above problem ? -- Thanks and regards Prakash Software Developer Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56067
  - 7
    - IM driver not receiving packets for Intel NIC I have a IM driver working fine with all the NIC's accept Intel series. I tried to set ProtocolReceivePacket to NULL as specified in DDK document. But yet ProtocolReceive routine is not called. I kept both the routines none of them is getting called. Moreever when i send OID request OID_GEN_MAXIMUM_LOOKAHEAD,OID_GEN_MAC_OPTIONS , OID_802_3_MAXIMUM_LIST_SIZE , OID_GEN_MAXIMUM_FRAME_SIZE, OID_GEN_CURRENT_PACKET_FILTER the other NIC invokes PtRequestComplete with correct value od OID, but for Intel card it invokes PtRequestComplete for that many times but with OID value of last request. Has anybody got any clue?? Thanks in Advance Jyotsna Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56065
  - 8
    - NdisOpenFile( ) gives blue screen hi.... Thanks a lot for your quick responses I am explaining a little more about my Ndis driver. I have used "passthru" sample of DDK. In passthru there is a file miniport.c In miniport.c there is a function MPSend( ). In this function i call my function named CopySendPacket( ) which is using NdisOpenFile( ). When this function is called BSOD appears. Using stack command, SoftIce displays following (hope this may help) 8053B438 80574AC1 ntoskrnl!ExInterLockedAddLargeStatistic 8053B480 80578F0D ntoskrnl!IoCreateFile+0036 8053B4C0 804D4E91 ntoskrnl!IoCreateFile+002E 8053B4F4 00000000 ntoskrnl!KeInitializeInterrupt+0A7C Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56063
  - 9
    - Volume Snapshots.. Hi, Could any body shed some light on inner workings of Volume Snapshot driver volsnap.sys. I belive it sits above the Disk Class Driver and Duplications Disk level Io.Are there some good articles which explain how the storage stack looks like and works when volsnap is enabled on the system. Regards Subodh Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56062
  - 10
    - 1394 isochronous data corrupted Hello, I'vew written a device driver for Windows XP which receives IEEE1394 isochronous data packets. The devices sends these packets at S400. We use different sizes for the packets and were below 2048 bytes all the time. No problems at all. Now we need packets which can be bigger and must realize that data is corrupted on some PCs. We don't know what these PCs makes different from the others. There seems to be no common thing at all. As I told you before, we receive packets which are bigger than 2048 bytes and some of the packets on some of our PCs are filled with some invalid data quadlets. All wrong quadlets are above the 2048 bytes boundary. The problem occurs also if we send only a few data packets per second (say 20 or so). It is not really depending on CPU load but if we move windows on the desktop we increase the frequency of the wrong quadlets. The wrong data is not from the same packet or from one of the others (we generated sythetic data for these tests). A frequent pattern is: 6 or 7 wrong quadlets, every second is 0x0. We use XP and XP SP1 (I did not test XP SP2 because a software I need for the tests doesn't run at all under SP2. It's not from our company so I have to wait for their next release.) I use the following parameters for REQUEST_ISOCH_ALLOCATE_RESOURCES: Irb->u.IsochAllocateResources.fulFlags = RESOURCE_USED_IN_LISTENING | RESOURCE_USE_PACKET_BASED|RESOURCE_STRIP_ADDITIONAL_QUADLETS; Irb->u.IsochAllocateResources.nQuadletsToStrip = 1; Irb->u.IsochAllocateResources.nMaxBytesPerFrame = 4096; Irb->u.IsochAllocateResources.nMaxBufferSize = someFactor * 4096; If I didn't do something wrong I can't believe I'm the only person in universe which has that problem?! Please help. Regards, Udo. Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56060
  - 11
    - Ndis packet filter Hello, I'm doing research on the possibility of making a packet filter based on the idea of patching the NDIS_MINIPORT_CHARACTERISTICS structure with your own functions. In my SendPacket(s)Handler I make a copy of the original packet and send it to the original function and in my NdisMSendComplete I free the packet. The copy of the packet is made based on the pass through IM sample code. This works well for most of the real and virtual NICs with one exception so far, an IntelPRO/100 on board card. With this NIC after about 15-20 packets the original SendPackets function will access a NULL pointer causing a bug check. If I let the original packets pass through, everything works, so my guess is that my set-up for the packet is wrong, and probably the NDIS is doing some set-up on the packes before sending them to the miniports. The NIC seems to be a bus master adaptor, so, the NDIS is probably doing DMA related initialization on the NDIS_PACKET before sending it to the miniports. Any help to shed some light on this problem will be appreciated Thanks Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56033
  - 12
    - Question about Printers and Paper Hi My virtual printer has 2 bins... one is called "A4 Printer" the other "A3 Printer" ... now, the driver accepts A4 and A3 paper-sizes. But... is there a way, that you can choose A4 only if the "A4 Printer"-Bin is selected and the A3-paper can only be choosed if the other bin is selected? thanks MR Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56030
  - 13
    - Virtual network adapters Hi, I have written a virtual network adapter/Virtual miniort driver(NDIS). I want to send the data i receive in my virtual adapter's MiniportSend funcion across network using a network device. Inorder to do that, the packet i have received in virtual miniport driver's MiniportSend has to be passed to MiniportSend of miniport driver. NDIS intermediate drivers passes the packet to the miniport driver using NdisSend. Since the driver i have written is not an intermediate driver,NdisSend function can not be used to send the packet to a miniport driver. NdisSend function requires the binding handle which a virtual miniport driver can not have. Only NDIS intermediate driver can get a binding handle which it can use in NdisSend. Could you let me know how can i pass the packet to the MiniportSend of miniport driver from my MiniportSend of virtual miniport driver? Thanks & Regards, Senthil Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56022
  - 14
    - dll based service Any info on how to develop and install dll based service compatible w/ svchost.exe? TIA Andrew Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56008
  - 15
    - driver instalation Hi All, I've a HID pointer device and my driver isn't signed with WQHL. If I install my driver manually or using a simple tool like FASTINST from Walter Oney' book and then connect my USB device, the windows hid.sys driver loads instead of my driver (as expected, because my driver isn't signed with WQHL). But, After running the device manager and clicking above the windows driver and updating it to my driver, Every time a plug my devive, my driver loads as expected (good, it's the final rsult I want from my instalation). I would like to do some steps (I guess hacking the windows registry) to install my driver just once and get it load when I plug my device without manually enter in Device Manager and updating it. I feel good with the message "..this driver ins't signed...", I would like just to avoid the second manual step into device manager. Thanks Very Much Edgard Lima Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56003
  - 16
    - Reading Device Parameters in Registry In my driver I am attempting to read some parameters stored in my board's Device Parameters subkey. I am calling IoOpenDeviceRegistryKey, with PLUGPLAY_REGKEY_DEVICE KeyType, to open the Key and calling ZwQueryValueKey to get the partial info structure. The problem is that the data returned in the partial info structure is always some random value. The data length and type returned in the structure are correct though. The status returned by both IoOpenDeviceRegistryKey and ZwQueryValueKey indicates success. Also, I have been able to set the value using ZwSetValueKey and view this new value in regedit. Any suggestions on what I might be doing incorrectly? Thank you for your time. Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 56001
  - 17
    - USB==> will this update MaxTransferSize for the current pipe? Hi, OS: Win 2000 Sp4 much after the configuration for the USB device has been done by the client driver , during regular course of events , if i do the following : 1) Get the USBD_INTERFACE_INFORMATION structure for the currently selected interface ( previously stored inside device extension ) 2) Get the USBD_PIPE_INFORMATION structure for the pipe i am interested in by indexing the Pipes array in interface info struct of step 1 abov 3) Set the MaximumTransferSize member of the USBD_PIPE_INFORMATION structure of step 2 above to a non-default value . 4) Get PipeHandle from USBD_PIPE_INFORMATION of step 2 above 5) make a URB by calling UsbBuildInterruptOrBulkTransferRequest( function and passing pipeHandle of step 4 above as parameter number 3 6) pass this URB to the USB stack ( usbd.sys ) through IoCallDriver , the call succeeds In this scenario , should i expect the MaximumTransferSize for the pipe to be updated ? thanks and regards Taha Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 55999
  - 18
    - IM protocol driver performance and optimization We are currently working on software for XP where we need to receive a 70 Mbyte/s data stream via GbE. The data is basically raw Ethernet packets with a simple proprietary protocol. Currently we use a modified NDISUIO to receive the data and process the proprietary protocol in the user level since that makes debugging much easier. Preliminary hotspot analysis using Intel VTune shows that a lot of time is spent doing memory copies. To reduce this we thought of moving the protocol into the kernel. To do this I have looked at the DDK passthru sample and at IMSAMP. The latter seems to be better in terms of avoiding unnecessary memory copies. Is an IM protocol driver the "way to go" or are there better ways of doing this? What is the performance penalty to be expected from an IM protocol driver? I would like to avoid putting the protocol into NDISUIO directly because it seems to make things very complex in NDISUIO. The task manager as an instrument to measure CPU load is very unreliable. What is a good tool to measure and optimize NDIS/protocol driver performance? Thanks for any suggestions. Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 55989
  - 19
    - FONTOBJ_pwszFontFilePaths question Hello I am writing a user mode printer driver for Win XP/2000 and I need to find out the font file names for the fonts passed in DrvTextOut(). In the DDK documentation I found that FONTOBJ_pwszFontFilePaths seems to return the exact information I want. But I could not use it, and here I have some questions: 1. Is the FONTOBJ_pwszFontFilePaths working only in the kernel mode drivers? Because mine is a user mode driver, so could it be that I cannot use it at all? 2. The DDK documentation says that we have to find the function address by calling EngFindImageProcAddress function. This seems to work only in kernel mode drivers and returns always NULL pointers when I call it from the user mode driver. So I used instead GetProcAddress() function: typedef VOID (*FONTFILEPROC)(FONTOBJ*, ULONG); HMODULE hMod = GetModuleHandle(TEXT("GDI32.dll")); FONTFILEPROC ProcAdd = (FONTFILEPROC) GetProcAddress(hMod, "FONTOBJ_pwszFontFilePaths") This seems to work for other FONTOBJ_xxx services but not for FONTOBJ_pwszFontFilePaths. Is this service implemented in other dll, not in the gdi32.dll? Thank you Luminita Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 55987
  - 20
    - NdisOpenfile( ) gives blue screen hi..... i have written piece of code below. I am experiencing BSOD when tries to open the file. Sometimes this same code runs without BSOD but most of the times i face BSOD. I am using compaq's P-4, OS is Xp. Suggestions/Ideas/recommendations are required & highly appreciated. Thanks in advance. NDIS_STATUS myStatus; NDIS_HANDLE myFileHandle=NULL; UINT fileLength; NDIS_STRING fileName=NDIS_STRING_CONST("test.txt"); NDIS_PHYSICAL_ADDRESS MinusOne=NDIS_PHYSICAL_ADDRESS_CONST(-1,-1); NdisOpenFile(&myStatus,&myFileHandle,&fileLength,&fileName,MinusOne); if(myStatus==NDIS_STATUS_SUCCESS) { ........ } Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 55983
  - 21
    - Tools My company produce Sond and Vibration Analyzers. Measures have USB ports. I write drivers for Windows 98, 2000, xp and 2003 Now I must write drivers from Windows 2003 Pocket PC SE(Windows mobile 2003 SE) Wat tools I need to download / buy ??? I'm new in windows emeded. Is Windows mobile 2003 the same as Windows CE 5.0 ??? Best regards Radek from Poland Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 55982
  - 22
    - very stranger questiones about disk read write on Windows XP HI, all, i am writing a disk filter driver (class upperfilter), it works fine on Windows 2000 , but cannot work on Windows XP. After debug the driver, i found, Asynch Read sometimes failed. In the DispathRead Routine, i first read some specific sectors ,then do the system read operation. By read the specific sectors, i am using Asynch Read, set a event to wait for the completion,after read complte, i check the IoStatus.Status, sometimes the value is not STATUS_SUCCESS. why ? If i do not check the IoStatus.Status, it works fine. In Windows 2000, the value is always STATUS_SUCCESS. Anyway, i cannot understand this, who can help me out? If i use Synch Read , the system will be halt , windows xp cannot start up? why? Thanks for your help. Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 55981
  - 23
    - Change in Interface Descriptor Number I am having a strange problem.Any help would be greatly appreciated. I have a lower filter driver for usbhub.sys.My USB Composite device supports Video Class ,audio and Mass Storage. I have two interfaces for video ,two for audio and 1 for mass storage.In my driver I hide 1 (Video )Interface Descriptor from usbhub.sys and shift rest of the interface descriptors .This leads to a crash in usbaudio.sys.Here are the descriptors for audio Interface Descriptor : 09 04 01 00 00 01 01 00 02 09 24 01 00 01 1e 00 01 03 0c 24 02 01 01 02 00 01 00 00 00 00 09 24 03 02 01 01 00 01 00 09 04 02 00 00 01 02 00 02 09 04 02 01 01 01 02 00 02 07 24 01 02 01 02 00 0b 24 02 01 01 01 08 01 22 56 00 09 05 84 01 64 00 01 00 00 07 25 01 00 00 00 00 The only change I make is that I have changed the audio Interface Descriptor Number from 02 to 01 and 03 to 02 only Crash dump : PAGE_FAULT_IN_NONPAGED_AREA (50) Invalid system memory was referenced. This cannot be protected by try-except, it must be protected by a Probe. Typically the address is just plain bad or it is pointing at freed memory. Arguments: Arg1: c5c5c5c5, memory referenced. Arg2: 00000000, value 0 = read operation, 1 = write operation. Arg3: f4b9668e, If non-zero, the instruction address which referenced the bad memory address. Arg4: 00000000, (reserved) Debugging Details: ------------------ READ_ADDRESS: c5c5c5c5 Nonpaged pool FAULTING_IP: usbaudio+668e f4b9668e 668b08 mov cx,[eax] MM_INTERNAL_CODE: 0 DEFAULT_BUCKET_ID: DRIVER_FAULT BUGCHECK_STR: 0x50 LAST_CONTROL_TRANSFER: from f4b9095b to f4b9668e TRAP_FRAME: f5659888 -- (.trap fffffffff5659888) ErrCode = 00000000 eax=c5c5c5c5 ebx=00000000 ecx=00000000 edx=c5c5c5c5 esi=b68fb000 edi=b68f9000 eip=f4b9668e esp=f56598fc ebp=f5659930 iopl=0 nv up ei pl zr na po nc cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00210246 usbaudio+0x668e: f4b9668e 668b08 mov cx,[eax] Resetting default scope STACK_TEXT: WARNING: Stack unwind information not available. Following frames may be wrong. f5659930 f4b9095b 82ca4b78 00000000 00000030 usbaudio+0x668e f5659a08 f4b94c6a b6924f48 82ca4b78 f5659a34 usbaudio+0x95b f5659a18 f4b7a2b0 b6924f48 b6924fc0 b6924f48 usbaudio+0x4c6a f5659a34 f4b820d7 82ca4900 00000000 b6924f48 STREAM!SCIssueRequestToDevice+0xd7 f5659a64 f4b85bbb 00000107 b694efb8 00000048 STREAM!SCSubmitRequest+0xe1 f5659b04 f4b84ee3 b695aeb8 82ca4898 80063418 STREAM!SCStartWorker+0x5da f5659b60 8060b34f 82ca4898 b695aeb8 b695aeb8 STREAM!StreamClassPnP+0x351 f5659bac 8054a60a 00020000 8342d708 00000000 nt!IovSpecialIrpCallDriver+0xe4 f5659bd8 80433b27 82ca4898 f5659bf8 f5659c20 nt!IopSynchronousCall+0x101 f5659c24 8053f249 86742e98 00000000 8342d708 nt!IopStartDevice+0x149 f5659c58 8053f054 8342d708 f5659cf0 80063418 nt!IopStartAndEnumerateDevice+0x83 f5659c78 80549b9a 8342d708 f5659cf0 00000000 nt!IopProcessStartDevicesWorker+0xa8 f5659c94 8053f038 807af508 8053efac f5659cf0 nt!IopForAllChildDeviceNodes+0x54 f5659cb8 8053eefb 807af538 f5659cf0 817955b8 nt!IopProcessStartDevicesWorker+0x8c f5659cd8 8053ee1c 817958f8 f5659cf0 8187e588 nt!IopProcessStartDevices+0x79 f5659cfc 8043067c 00000000 00000000 00000000 nt!IopBusCheck+0xac f5659d40 8041c794 00000000 00000000 00000000 nt!IopDeviceActionWorker+0x469 f5659da8 804aa09a 80000001 00000000 00000000 nt!ExpWorkerThread+0x106 f5659ddc 804c526a 8041c68e 80000001 00000000 nt!PspSystemThreadStartup+0x54 00000000 00000000 00000000 00000000 00000000 nt!KiThreadStartup+0x16 FOLLOWUP_IP: usbaudio+668e f4b9668e 668b08 mov cx,[eax] SYMBOL_STACK_INDEX: 0 FOLLOWUP_NAME: MachineOwner SYMBOL_NAME: usbaudio+668e MODULE_NAME: usbaudio IMAGE_NAME: usbaudio.sys DEBUG_FLR_IMAGE_TIMESTAMP: 3803cabb STACK_COMMAND: .trap fffffffff5659888 ; kb BUCKET_ID: 0x50_usbaudio+668e Followup: MachineOwner --------- kd> .trap fffffffff5659888 ; kb ErrCode = 00000000 eax=c5c5c5c5 ebx=00000000 ecx=00000000 edx=c5c5c5c5 esi=b68fb000 edi=b68f9000 eip=f4b9668e esp=f56598fc ebp=f5659930 iopl=0 nv up ei pl zr na po nc cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00210246 usbaudio+0x668e: f4b9668e 668b08 mov cx,[eax] *** Stack trace for last set context - .thread/.cxr resets it Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 55972
  - 24
    - HID minidriver : ERROR_ACCESS_DENIED error message Hi, I have developed a HID minidriver for a USB keyboard which is not a standard one. This is targetted to work on Win2k and WinXP. In my application, I'm calling HIDd_GetGuid(..) and later am calling the normal SetupDiXXX(..) routines to get teh device name. After this, I'm calling CreateFile(..) to open a handle. Here, it is returning INVALID_HANDLE_VALUE. The parameters are : name, GENERIC_READ|GENERIC_WRITE, 0, OPEN_EXISTING, FILE_ATTRIBUTES_NORMAL, NULL. When I call GetLastError(), its showing 5 == ERROR_ACCESS_DENIED. One more observation is : When I call the same CraeteFile(..) with dwDesiredAccess = 0, its openeing a handle. But I cannot do any read\write operations with this handle. So How do I go about this prob? Thanks, Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 55971
  - 25
    - Question about property page of USBCAMD minidriver sample (usbintel) Sample code of USBCAMD minidriver support the property set PROPSETID_VIDCAP_VIDEOPROCAMP. Its property page should be implemented in kswdmcap.ax. However, it always shows another property page implemented in dshowext.ax. What causes this happen? How to determine which property page should be used for a certain property set? Best Regards Jackal Huang Tag: Problem calling GetSaveFileName from a PrintOEMUI dll Tag: 55968

I have developed an unidriver-based virtual printer which saves the printed
data to a selected bitmap (raster) format. It consists of both an UI plugin
and a a rendering plugin, in addition to a monitor dll. Calling
GetSaveFileName() from the port monitor works ok with one exception: There
are refresh problems within the "SaveAs" box when the user selects 'Create
new folder'.
When I try to call GetSaveFileName() from the UI plugin instead (in response
to a DocumentEvent), the refresh problem is still there....

Any help will be appreciated..

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