( ((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method)) 如例: #include <winioctl.h>//用于创建一个唯一的32位系统 I/O 控制代码,这个控制代码包括4部分组成#defineadd_code CTL_CODE(FILE_DEVICE_UNKNOWN,0x800,METHOD_BUFFERED,FILE_ANY_ACCESS)#defineadd_code CTL_C...
Method 包含如何为 I/O 和 FS 控件传递缓冲区的方法代码: 方法代码值 METHOD_BUFFERED0 METHOD_IN_DIRECT1 METHOD_OUT_DIRECT2 METHOD_NEITHER3 Access 包含访问检查值: 方法代码值 FILE_ANY_ACCESS0x0000 FILE_READ_ACCESS0x0001 FILE_WRITE_ACCESS0x0002 ...
A function code can be no larger then 4095. Method Defines the method codes for how buffers are passed for I/O and file system controls. The following values are possible for this parameter: METHOD_BUFFERED METHOD_IN_DIRECT METHOD_OUT_DIRECT METHOD_NEITHER This field is ignored by Windows CE...
A function code can be no larger then 4095. Method Defines the method codes for how buffers are passed for I/O and file system controls. The following values are possible for this parameter: METHOD_BUFFERED METHOD_IN_DIRECT METHOD_OUT_DIRECT METHOD_NEITHER This field is ignored by Windows CE...
METHOD_BUFFERED METHOD_IN_DIRECT METHOD_OUT_DIRECT METHOD_NEITHER This field is ignored by Windows Embedded Compact. You should always use the METHOD_BUFFERED value unless compatibility with Windows-based desktop platforms is required using a different Method value. Access Defines the access check valu...
.. autodata:: METHOD_BUFFERED .. autodata:: METHOD_IN_DIRECT .. autodata:: METHOD_OUT_DIRECT .. autodata:: METHOD_NEITHER .. autodata:: METHOD_DIRECT_TO_HARDWARE .. autodata:: METHOD_DIRECT_FROM_HARDWARE .. autodata:: FILE_ANY_ACCESS .. autodata:: FILE_SPECIAL_ACCESS .. autodata...
援引微软定义的一个指令:锁卷 #define FSCTL_LOCK_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 6, METHOD_BUFFERED, FILE_ANY_ACCESS) Game over! 全栈程序员站长 2022/10/04 3030 deviceiocontrol true什么意思_device driver service bitfileinputoutputparameters 与驱动程序通信的函数,除了ReadFile和WriteFile函数...
展开表 方法代码价值 METHOD_BUFFERED 0 METHOD_IN_DIRECT 1 METHOD_OUT_DIRECT 2 METHOD_NEITHER 3 Access 包含访问检查值: 展开表 方法代码价值 FILE_ANY_ACCESS 0x0000 FILE_READ_ACCESS 0x0001 FILE_WRITE_ACCESS 0x0002 返回值 没有 要求 展开表 要求价值 标头 d4drvif.h反馈...
METHOD_BUFFERED0 METHOD_IN_DIRECT1 METHOD_OUT_DIRECT2 METHOD_NEITHER3 Access Contains the access check values: Method codeValue FILE_ANY_ACCESS0x0000 FILE_READ_ACCESS0x0001 FILE_WRITE_ACCESS0x0002 Return value None Requirements RequirementValue ...
METHOD_NEITHER This field is ignored under Windows CE and you should always use the METHOD_BUFFERED value unless compatibility with the desktop is required using a differentMethodvalue. Access Defines the access check value for any access. The following table shows the possible flags for this param...