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IRTCClient::get_PreferredVideoDevice

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The get_PreferredVideoDevice property gets the preferred video device for video capturing. This method retrieves the preferred video device set in IRTCClient::put_PreferredVideoDevice.

HRESULT get_PreferredVideoDevice(BSTR*pbstrDeviceName);

Parameters

  • pbstrDeviceName
    [out] Pointer to a BSTR containing the device name. The caller is responsible for freeing this memory with SysFreeString.

Return Values

RTC methods may return an RTC_E_ constant.

Value Meaning
RTC_E_NO_DEVICE No preferred video device.
RTC_E_CLIENT_NOT_INITIALIZED The client has not been initialized.

Requirements

Client: Requires Windows XP.
Server: Requires Windows Server 2003.
Header: Declared in Rtccore.h.
Library: Included as a resource in Rtcdll.dll.
GUID: IID_IRTCClient is defined as 07829e45-9a34-408e-a011-bddf13487cd1.

See Also

IRTCClient, IRTCClient::put_PreferredVideoDevice, IRTCClient::get_PreferredAudioDevice