ドライバーの EvtChildListDeviceReenumerated イベント コールバック関数を使用すると、ドライバーは、指定したデバイスの再開を承認または取り消します。
WDFDEVICE WdfChildListGetDevice( [in] WDFCHILDLIST ChildList ); 参数 [in] ChildList 框架子列表对象的句柄。 返回值 WdfChildListGetDevice 返回框架设备对象的句柄。 如果驱动程序提供无效的对象句柄,则会发生系统 bug 检查。 注解 有关子列表的详细信息,请参阅 动态枚举。 示例 下面的代码示例获取...
WDF_CHILD_LIST_RETRIEVE_DEVICE_STATUS 枚举 WDF_CHILD_RETRIEVE_INFO 结构 WDF_CHILD_RETRIEVE_INFO_INIT函数 WDF_RETRIEVE_CHILD_FLAGS 枚举 WdfChildListAddOrUpdateChildDescriptionAsPresent 函数 WdfChildListBeginIteration 函数 WdfChildListBeginScan 函数 ...
typedefenum_WDF_CHILD_LIST_RETRIEVE_DEVICE_STATUS { WdfChildListRetrieveDeviceUndefined =0, WdfChildListRetrieveDeviceSuccess, WdfChildListRetrieveDeviceNotYetCreated, WdfChildListRetrieveDeviceNoSuchDevice } WDF_CHILD_LIST_RETRIEVE_DEVICE_STATUS, *PWDF_CHILD_LIST_RETRIEVE_DEVICE_STATUS; ...
The response is returned within 30 seconds after IoTDA receives the request and includes a list of updated statuses of child devices. Topic Downstream: $oc/devices/{device_id}/sys/events/down Parameters Parameter Mandatory or Optional Description object_device_id Optional String Identifies a gateway...
[in, out] DeviceInit A pointer to aWDFDEVICE_INITstructure that the driver obtained from itsEvtDriverDeviceAddcallback function. [in] Config A pointer to a driver-allocatedWDF_CHILD_LIST_CONFIGstructure. [in, optional] DefaultChildListAttributes ...
其他核心接口从中继承的接口,包括 (但不限于) ID3D12PipelineLibrary、ID3D12CommandList、ID3D12Pageable 和 ID3D12RootSignature。 它提供了一个方法,用于返回到创建它所针对的设备对象。
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notes = doc.childNodes[i];break; } } The accepted answer only checks immediate children. Often times we're looking for any descendants with that class name. Also, sometimes we want any child thatcontainsa className. For example:should match a search on className "img", even though it'sex...
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