// ucmtcpciportcontrollerrequests.h

typedef struct _UCMTCPCI_PORT_CONTROLLER_ALTERNATE_MODE_ENTERED_IN_PARAMS {
  UCMTCPCIPORTCONTROLLER PortControllerObject;
  UINT16                 SVID;
  UINT32                 Mode;
} UCMTCPCI_PORT_CONTROLLER_ALTERNATE_MODE_ENTERED_IN_PARAMS, *PUCMTCPCI_PORT_CONTROLLER_ALTERNATE_MODE_ENTERED_IN_PARAMS;
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Windows Driver Kit DDI reference (ns-ucmtcpciportcontrollerrequests-_ucmtcpci_port_controller_alternate_mode_entered_in_params)

_UCMTCPCI_PORT_CONTROLLER_ALTERNATE_MODE_ENTERED_IN_PARAMS structure

Description

Stores information about the alternate mode that was detected. This structure is used in the IOCTL_UCMTCPCI_PORT_CONTROLLER_ALTERNATE_MODE_ENTERED request.

Members

`PortControllerObject`

Handle to the port controller object that the client driver received in the previous call to UcmTcpciPortControllerCreate.

`SVID`

The Standard or Vendor ID (SVID) for the alternate mode that was entered. In Windows 10, version 1703, the supported value is DISPLAYPORT_SVID, indicating that the partner device has entered DisplayPort mode.

`Mode`

The Standard or Vendor defined Mode value for the alternate mode that was entered.

UCMTCPCI_PORT_CONTROLLER_ALTERNATE_MODE_ENTERED_IN_PARAMS - NtDoc