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This topic applies only to Windows XP Service Pack 1 or later.
The GetBackingFileCount method retrieves the maximum and minimum number of backing files.
Syntax
HRESULT GetBackingFileCount(
[out] DWORD *pdwMin,
[out] DWORD *pdwMax
);
Parameters
pdwMin [out]
Pointer to a variable that receives the backing file minimum.pdwMax [out]
Pointer to a variable that receives the backing file maximum.
Return Value
Returns an HRESULT. Possible values include those in the following table.
| Return code | Description |
|---|---|
S_OK |
The method succeeded. |
Remarks
If the reader lags behind the writer by more than pdwMin files, the writer starts to send STREAMBUFFER_EC_CONTENT_BECOMING_STALE events. If the reader lags behind the writer by more than pdwMax files, the writer begins to overwrite files and sends an STREAMBUFFER_EC_STALE_FILE_DELETED event.
Requirements
| Header | Declared in Sbe.h. |
See Also
IStreamBufferConfigure Interface
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Build date: 12/4/2008