Partager via

ChangeWirelessState (Compact 7)

  • Article

3/12/2014

This function changes the global power state of all wireless devices.

Syntax

HRESULT ChangeWirelessState(
    BOOL bOn
);

Parameters

  • bOn
    [in] New power state value. TRUE restores the device to the desired state; FALSE turns OFF all wireless devices.

Return Value

The following table shows the return values for this function.

Value Description

S_OK

Successfully set the state of the radio.

E_FAIL

Radio state could not be changed.

S_FALSE

Radio was already in the desired state.

Remarks

This function changes the state of all the wireless devices available in the system to the specified state. If FALSE is passed in bOn and the desired state of the wireless device is set to TRUE, this function saves the old state in the registry before changing the state. If TRUE is passed in bOn, the device is turned on only if the desired state is set to TRUE in the registry.

You can get the global state by calling the GetWirelessState function.

Requirements

Header

wrlspwr.h

Library

ossvcs.lib

See Also

Reference

Wireless Device Power Management Functions