Share via

IMSVidDevice::get_Power Method

  • Article

This topic applies to Windows XP or later.
The get_Power method queries whether the device is off or on.

Syntax

HRESULT get_Power(
  [out]  VARIANT_BOOL *pPower
);

Parameters

  • pPower [out]
    Pointer to a variable that receives one of the following values.

    Value Description
    VARIANT_TRUE The device is on.
    VARIANT_FALSE The device is off.

Return Value

Returns an HRESULT value. Possible values include the following.

Return code Description

S_OK

Success.

E_NOTIMPL

Not implemented.

E_POINTER

NULL pointer argument.

Remarks

Not all device types implement this method.

Requirements

Header Declared in Dshow.h.
DLL Requires Quartz.dll.

See Also

IMSVidDevice Interface
IMSVidDevice::put_Power

Send comments about this topic to Microsoft

Build date: 12/4/2008