When "getting" a BSTR property, the memory containing the string is allocated with SysAllocString. When this string is no longer needed, free this memory by calling SysFreeString if you are working in an environment such as C or C++ that does not automatically delete the memory. VB automatically deletes the memory, so VB programmers do not need to free the memory themselves.

ILMFMxfSource Interface

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Interface Properties:

Type	Name	Description
BSTR	ProductName	(Read-only) Gets the Product Name that appears in the MXF metadata. This property identifies the product that created the MXF file.
BSTR	CompanyName	(Read-only) Gets the Company Name that appears in the MXF metadata. This property identifies the product's company.
long	ProductVersionMajor	(Read-only) Gets the major version number of the product that created the MXF file.
long	ProductVersionMinor	(Read-only) Gets the minor version number of the product that created the MXF file.
long	ProductVersionPatch	(Read-only) Gets the patch version number of the product that created the MXF file.
long	ProductVersionBuild	(Read-only) Gets the build version number of the product that created the MXF file.
long	ProductVersionRelease	(Read-only) Gets the release version number of the product that created the MXF file.
long	ProductUID	(Read-only) Gets the universal ID of the product that created the MXF file.
ILMFMxfSourceMetaTracks *	MetaTracks	(Read-only) Gets a pointer to the media source's MXF meta tracks object. This object can be used to access MXF meta tracks.