Sending keyboard input via DeviceIoControl
来源： https://stackoverflow.com/questions/19616079/sending-keyboard-input-via-deviceiocontrol
deviceiocontrol
Sending keyboard input via DeviceIoControl
来源： https://stackoverflow.com/questions/19616079/sending-keyboard-input-via-deviceiocontrol
Sending keyboard input via DeviceIoControl
来源： https://stackoverflow.com/questions/19616079/sending-keyboard-input-via-deviceiocontrol
SMART_RCV_DRIVE_DATA DeviceIoControl ERROR_ACCESS_DENIED
问题 When calling DeviceIoControl with SMART_RCV_DRIVE_DATA code it fails ( ERROR_ACCESS_DENIED ). What is the problem? Run as admin. STORAGE_DEVICE_NUMBER sdn; DeviceIoControl(hDevice, IOCTL_STORAGE_GET_DEVICE_NUMBER, NULL, 0, &sdn, sizeof(sdn), &cbReaded, NULL); SENDCMDINPARAMS scip; scip.cBufferSize = READ_ATTRIBUTE_BUFFER_SIZE; scip.irDriveRegs.bFeaturesReg = READ_ATTRIBUTES; scip.irDriveRegs.bSectorCountReg = 1; scip.irDriveRegs.bSectorNumberReg = 1; scip.irDriveRegs.bCylLowReg = SMART_CYL
Converting a drive letter to a Partition ID / Disk ID
问题 Given a drive letter, how do I get the OSImage InstallTo Partition ID and Disk ID without using the registry? 回答1: The WMI class Win32_DiskPartition is what I need. Now to figure out how to use WMI to get this information from a drive letter. Win32_LogicalDisk is also useful, MSDN Example, and this stackoverflow answer. Update: Hmm, this doesn't work! Not in the Windows Installer anyway (WMI is missing from Windows PE!!) so I am using the other answer QueryDosDevice (e.g. \\.\PhysicalDisk1
应用程序与驱动程序通信 DeviceIoControl
本文为转载，参考链接地址 https://blog.csdn.net/li_wen01/article/details/80137566 https://www.cnblogs.com/lsh123/p/7354573.html DeviceIoControl 将控制代码直接发送到指定的设备驱动程序，使相应的设备执行相应的操作。 这种通信方式，就是驱动程序和应用程序自定义一种IO控制码，然后调用DeviceIoControl函数，IO管理器会产生一个MajorFunction 为IRP_MJ_DEVICE_CONTROL（DeviceIoControl函数会产生此IRP），MinorFunction 为自己定义的控制码的IRP，系统就调用相应的处理IRP_MJ_DEVICE_CONTROL的派遣函数，你在派遣函数中判断MinorFunction ，是自定义的控制码你就进行相应的处理。 BOOL DeviceIoControl( HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped );
HDD serial number flipped every 2 bytes in Windows XP, Vista and 7 but not in Windows 8
问题 I need to get HDD serial number to use it as a key for licensing a software. I used diskid32 code in this url: http://www.winsim.com/diskid32/diskid32.html It used the DeviceIoControl Win32 API with the IO control code of IOCTL_STORAGE_QUERY_PROPERTY . It worked. However, when I double check with the actual serial number printed on the HDD itself, I found that every 2 bytes of the number was flipped. A simple solution could be to simply flip the bytes back. It worked in Windows XP, Vista and
DeviceIoControl does not set output buffer
问题 I'm having some problems with DeviceIOControl . I'm trying to read the disk geometry from a physical drive but the output buffer is never set. Here is a sample of my code, a simple function that is supposed to get the disk geometry and return whether the disk is removable: public static bool IsDeviceRemovable(int DriveNo) { string Filename=@"\\.\Physicaldrive"+DriveNo; SafeFileHandle drive=CreateFile( Filename, FileAccess_e.None, FileShare_e.Write|FileShare_e.Read, IntPtr.Zero,
How to disconnect a bluetooth device from C# .Net in Win7
问题 I would like to disconnect a bluetooth device from my c# .Net application, that runs on Win 7 x64. I Know that MS provides very little functionnality reguarding BT on .Net. I've searched 32feet.Net, and found how to connect, discover, get information, ... but nothing about disconnecting (Have I missed something ?). Then, I found on Msdn IOCTL_BTH_DISCONNECT_DEVICE. The problem is that I can't understand how to call it. It Seems that I shoud use DeviceIOControl with Platform Invoke, but I'm
应用程序与驱动程序交互函数DeviceIoControl详解
这种通信方式，就是驱动程序和应用程序自定义一种IO控制码，然后调用DeviceIoControl函数，IO管理器会产生一个MajorFunction 为IRP_MJ_DEVICE_CONTROL（DeviceIoControl函数会产生此IRP），MinorFunction 为自己定义的控制码的IRP，系统就调用相应的处理IRP_MJ_DEVICE_CONTROL的派遣函数，你在派遣函数中判断MinorFunction ，是自定义的控制码你就进行相应的处理。 一.先谈一下这个定义IO控制码 ，其实可以看作是一种通信协议。 看看CTL_CODE原型： # define CTL_CODE( DeviceType, Function, Method, Access ) ( \ ((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method) \ ) 可以看到，这个宏四个参数，自然是一个32位分成了4部分，高16位存储设备类型，14~15位访问权限，2～13位操作功能，最后0，1两位就是确定缓冲区是如何与I/O和文件系统数据缓冲区进行数据传递方式，最常见的就是METHOD_BUFFERED。 自定义CTL_CODE： #define IOCTL_Device_Function CTL_CODE