IMSVidDevice::get_Power
| Microsoft DirectShow 9.0 |
IMSVidDevice::get_Power
This topic applies to Windows XP or later.
The get_Power method queries whether the device is off or on.
Syntax
HRESULT get_Power( VARIANT_BOOL* Power );
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 Values
Returns an HRESULT value. Possible values include the following.
| Value | Description |
| S_OK | Success. |
| E_NOTIMPL | Not implemented. |
| E_POINTER | NULL pointer argument. |
Remarks
Not all device types implement this method.
Requirements
Header: Dshow.h.
Library: Quartz.dll.
See Also