method opens a stream by accessing it in a file. Called when an application
uses the AVIFileGetStream
| PAVIFILE pf,
| PAVISTREAM *ppStream,
| DWORD fccType,
| LONG lParam
Address of the interface to a file.
Address to contain a pointer to the interface to a stream.
Four-character code indicating the type of stream to locate.
Returns the HRESULT defined by OLE.
It is typically easier to implement this method by creating all of the stream
objects in advance by using the IAVIFile::Open
method. Then, this method accesses the interface to the specified stream.
Remember to increment the reference count maintained by the AddRef
method for the stream when this method is used.
For handlers written in C++, GetStream
has the following syntax:
HRESULT GetStream(PAVISTREAM *ppStream,
DWORD fccType, LONG lParam);
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