AVIBuildFilter
The AVIBuildFilter
function builds a filter specification that is subsequently used by the GetOpenFileName or GetSaveFileName function.
STDAPI AVIBuildFilter(
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LPTSTR lpszFilter, |
|
|
LONG cbFilter, |
|
|
BOOL fSaving |
|
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); |
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Parameters
lpszFilter
Address of
the buffer containing the filter string.
cbFilter
Size, in
bytes, of buffer pointed to by lpszFilter.
fSaving
Flag that
indicates whether the filter should include read or write formats. Specify TRUE
to include write formats or FALSE to include read formats.
Return Values
Returns
AVIERR_OK if successful or an error otherwise. Possible error values include
the following:
|
AVIERR_BUFFERTOOSMALL |
The buffer
size cbFilter was smaller than the generated filter specification. |
|
AVIERR_MEMORY |
There was
not enough memory to complete the read operation. |
Remarks
This function
accesses the registry for all filter types that the AVIFile library can use to
open, read, or write multimedia files. It does not search the hard disk for filter
DLLs and formats.
See Also