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https://stackoverflow.com/questions/2871428/c-sharp-possible-to-use-ioctl
C# - Possible to use IOCTL. I'm trying to code for a Point Of Sale system which allows for a "Cash Drawer" attachment. Code is provided in the manual for opening the cash drawer (in C++ using IOCTL).
https://docs.microsoft.com/en-us/windows-hardware/drivers/ddi/acpiioct/ni-acpiioct-ioctl_acpi_get_device_information
IoControlCode is set to IOCTL_ACPI_GET_DEVICE_INFORMATION. DeviceObject is set to a pointer to the physical device object (PDO) of the device. InputBuffer is set to a pointer to an input buffer structure that depends on the type of input arguments to be passed to the control method. For more information about the type of input arguments that this IOCTL supports, see the Remarks section …
https://docs.microsoft.com/en-us/windows/win32/power/ioctl-video-query-display-brightness
Retrieves the current AC and DC backlight levels and the current power state. To perform this operation, call the DeviceIoControl function with the following parameters. BOOL DeviceIoControl( (HANDLE) hDevice, // handle to device IOCTL_VIDEO_QUERY_DISPLAY_BRIGHTNESS,...
https://github.com/LordMike/MBW.Libraries.DeviceIOControlLib
Apr 12, 2017 · A C# Library to work with the Win32 DeviceIOControl method. I wanted to make a program in C#, that could read the Raw sectors on any attached hard drive. It turns out this was really simple, except, to make it portable / work for any drive, one needed to know the Sector size. That in turn - …
https://social.msdn.microsoft.com/forums/en-US/9f83b8c4-ebf8-406e-89de-fab4e0ad6aee/using-ioctlh-file-in-c
Apr 05, 2011 · There is no built-in framework class that talks to GPIO directly in .NET (C#). You may be able to get a C# wrapper from your device vendor - otherwise, you'll need to use C++ and the functions within IOCTL…
https://linux.die.net/lkmpg/x892.html
Talking to Device Files (writes and IOCTLs) ... The ioctl number encodes the major device number, the type of the ioctl, the command, and the type of the parameter. This ioctl number is usually created by a macro call (_IO, _IOR, _IOW or _IOWR--- depending on the type) in a header file.
http://www.pinvoke.net/default.aspx/kernel32.deviceiocontrol
See the section "DeviceIoControl w/x64 support": Regards, Travis-Sample Code: Public ReadOnly Property CardID() As String Get Dim dwErrorCode As FarcConstants Dim dwBytesReceived As Int32 Dim ip As IntPtr = Marshal.AllocHGlobal(13) Dim erg As String If DeviceIoControl(hDriver, IOCTL_FARC_GET_CARDID, Nothing, 0, ip, 13, dwBytesReceived, Nothing) Then
Support for this IOCTL by the mount manager clients is optional. Some mount manager clients are able to keep track of their drive letters across reboots of the system without the help of the mount manager. Such clients can send a suggested drive letter name to the mount manager in response to this IOCTL.
https://stackoverflow.com/questions/15807846/ioctl-linux-device-driver
A user application is required to generate a request code and the device driver module to determine which configuration on device must be played with. The application sends the request code using ioctl and then uses the request code in the device driver module to determine which action to perform. A request code has 4 main parts. 1.
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