CMAPI CONFIGRET WINAPI CM_Get_First_Log_Conf( _Out_opt_ PLOG_CONF plcLogConf, _In_ DEVINST dnDevInst , _In_ ULONG ulFlags );
- plcLogConf [out, optional]
Address of a location to receive the handle to a logical configuration, or NULL. See the following Remarks section.
- dnDevInst [in]
Caller-supplied device instance handle that is bound to the local machine.
- ulFlags [in]
Caller-supplied flag value indicating the type of logical configuration being requested. One of the flags in the following table must be specified.
Configuration Type Flags Definitions
The caller is requesting basic configuration information.
The caller is requesting filtered configuration information.
The caller is requesting allocated configuration information.
The caller is requesting boot configuration information.
The caller is requesting forced configuration information.
The caller is requesting override configuration information.
If the operation succeeds, the function returns CR_SUCCESS. Otherwise, it returns one of the CR_-prefixed error codes defined in Cfgmgr32.h.
Note Starting with Windows 8, CM_Get_First_Log_Conf returns CR_CALL_NOT_IMPLEMENTED when used in a Wow64 scenario. To request information about the hardware resources on a local machine it is necessary implement an architecture-native version of the application using the hardware resource APIs. For example: An AMD64 application for AMD64 systems.
Calling CM_Add_Empty_Log_Conf or CM_Free_Log_Conf can invalidate the handle obtained from a previous call to CM_Get_First_Log_Conf. Thus if you want to obtain logical configurations after calling CM_Add_Empty_Log_Conf or CM_Free_Log_Conf, your code must call CM_Get_First_Log_Conf again and start at the first configuration.
The handle received in plcLogConf must be explicitly freed by calling CM_Free_Log_Conf_Handle.
If CM_Get_First_Log_Conf is called with plcLogConf set to NULL, no handle is returned. This allows you to use the return status to determine if a configuration exists without the need to subsequently free the handle.
For information about using device instance handles that are bound to the local machine, see CM_Get_Child.
|Available in Microsoft Windows 2000 and later versions of Windows.|