IAMExtDevice::get_ExternalDeviceVersion

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Microsoft DirectShow 9.0

IAMExtDevice::get_ExternalDeviceVersion

The get_ExternalDeviceVersion retrieves the version number of the external device's operating software.

Syntax

  HRESULT get_ExternalDeviceVersion(
  LPOLESTR *ppszData
);

Parameters

ppszData

[out]  Pointer to an LPOLESTR that receives the manufacturer-specific operating software version number as a string. The caller must release the string by calling CoTaskMemFree.

Return Values

When this method succeeds, it returns S_OK. Otherwise it returns an HRESULT error code.

DV Implementation

The method returns the version of the IEEE AV/C Digital Interface Command Set (VCR Subunit Specification) that the device supports.

Requirements

Header: Declared in Strmif.h; include Dshow.h.

Library: Use Strmiids.lib.

See Also