control_io_deviceT_control_io_deviceControlIoDeviceControlIoDevicecontrol_io_device控制输入输出设备(算子)

名称

control_io_deviceT_control_io_deviceControlIoDeviceControlIoDevicecontrol_io_device — 在输入/输出设备上执行操作。

签名

control_io_device( : : IODeviceHandle, Action, Argument : Result)

Herror T_control_io_device(const Htuple IODeviceHandle, const Htuple Action, const Htuple Argument, Htuple* Result)

void ControlIoDevice(const HTuple& IODeviceHandle, const HTuple& Action, const HTuple& Argument, HTuple* Result)

HTuple HIODevice::ControlIoDevice(const HString& Action, const HTuple& Argument) const

HTuple HIODevice::ControlIoDevice(const HString& Action, const HString& Argument) const

HTuple HIODevice::ControlIoDevice(const char* Action, const char* Argument) const

HTuple HIODevice::ControlIoDevice(const wchar_t* Action, const wchar_t* Argument) const   ( Windows only)

static void HOperatorSet.ControlIoDevice(HTuple IODeviceHandle, HTuple action, HTuple argument, out HTuple result)

HTuple HIODevice.ControlIoDevice(string action, HTuple argument)

HTuple HIODevice.ControlIoDevice(string action, string argument)

def control_io_device(iodevice_handle: HHandle, action: str, argument: MaybeSequence[Union[int, float, str]]) -> Sequence[Union[int, float, str]]

描述

control_io_devicecontrol_io_deviceControlIoDeviceControlIoDeviceControlIoDevicecontrol_io_device 对 I/O 设备执行操作。支持的参数因接口而异,具体列表详见所用 I/O 接口的对应文档,该文档位于 doc/html/reference/io 目录中。

执行信息

参数

IODeviceHandleIODeviceHandleIODeviceHandleIODeviceHandleIODeviceHandleiodevice_handle (输入控制)  io_device HIODevice, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)

已打开 I/O 设备的句柄。

ActionActionActionActionactionaction (输入控制)  string HTuplestrHTupleHtuple (string) (string) (HString) (char*)

要执行的操作名称。

ArgumentArgumentArgumentArgumentargumentargument (输入控制)  string(-array) HTupleMaybeSequence[Union[int, float, str]]HTupleHtuple (string / integer / real) (string / int / long / double) (HString / Hlong / double) (char* / Hlong / double)

操作的参数列表。

默认值: []

ResultResultResultResultresultresult (输出控制)  string-array HTupleSequence[Union[int, float, str]]HTupleHtuple (string / integer / real) (string / int / long / double) (HString / Hlong / double) (char* / Hlong / double)

操作返回的结果值列表。

结果

如果参数有效,算子 control_io_devicecontrol_io_deviceControlIoDeviceControlIoDeviceControlIoDevicecontrol_io_device 返回值 2 (H_MSG_TRUE)。如有必要,则抛出异常。在此情况下,可设置扩展错误信息,并可通过算子 get_extended_error_infoget_extended_error_infoGetExtendedErrorInfoGetExtendedErrorInfoGetExtendedErrorInfoget_extended_error_info 进行查询。

可能的前趋

open_io_deviceopen_io_deviceOpenIoDeviceOpenIoDeviceOpenIoDeviceopen_io_device

模块

基础