CMediaEvent::GetIDsOfNames
Microsoft DirectShow 9.0 |
CMediaEvent::GetIDsOfNames
Maps a single member function and an optional set of parameters to a corresponding set of integer dispatch identifiers, which can be used upon subsequent calls to the CMediaEvent::Invoke member function.
Syntax
HRESULT GetIDsOfNames( REFIID riid, OLECHAR **rgszNames, UINT cNames, LCID lcid, DISPID *rgdispid );
Parameters
riid
Reference identifier. Reserved for future use. Must be NULL.
rgszNames
Address of a pointer to a passed-in array of names to be mapped.
cNames
Count of the names to be mapped.
lcid
Locale context in which to interpret the names.
rgdispid
Pointer to a caller-allocated array, each element of which contains an ID corresponding to one of the names passed in the rgszNames array. The first element represents the member name; the subsequent elements represent each of the member's parameters.
Return Value
Returns one of the following values.
Value | Description |
DISP_E_UNKNOWN_CLSID | The CLSID was not recognized. |
DISP_E_UNKNOWNNAME | One or more of the names were not known. The returned DISPIDs contain DISPID_UNKNOWN for each entry that corresponds to an unknown name. |
E_OUTOFMEMORY | Out of memory. |
S_OK | Success. |
Requirements
** Header:** Declared in Ctlutil.h; include Streams.h.
** Library:** Use Strmbase.lib (retail builds) or Strmbasd.lib (debug builds).
See Also