共用方式為

EC_OLE_EVENT

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Microsoft DirectShow 9.0

EC_OLE_EVENT

A filter is passing a text string to the application.

Parameters

lParam1

(BSTR) String of type BSTR.

lParam2

(BSTR) String of type BSTR.

Default Action

None.

Remarks

By convention, the first parameter contains type information (for example, "Text") and the second parameter contains the text string.

Requirements

  Header: Dshow.h.

See Also