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SP_POWERMESSAGEWAKE_PARAMS structure

An SP_POWERMESSAGEWAKE_PARAMS structure corresponds to a DIF_POWERMESSAGEWAKE installation request.

Syntax


typedef struct _SP_POWERMESSAGEWAKE_PARAMS {
  SP_CLASSINSTALL_HEADER ClassInstallHeader;
  TCHAR                  PowerMessageWake[LINE_LEN*2];
} SP_POWERMESSAGEWAKE_PARAMS, *PSP_POWERMESSAGEWAKE_PARAMS;

Members

ClassInstallHeader

An install request header that contains the header size and the DIF code for the request. See SP_CLASSINSTALL_HEADER.

PowerMessageWake

Buffer that contains a string of custom text. Windows displays this text on the power management page of the device properties display in Device Manager.

Remarks

Windows only sends the DIF_POWERMESSAGEWAKE request if the drivers for the device support power management.

Requirements

Header

Setupapi.h (include Setupapi.h)

See also

DIF_POWERMESSAGEWAKE
SP_CLASSINSTALL_HEADER

 

 

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