IWriteEngine2EventArgs::get_FreeSystemBuffer method (imapi2.h)
Retrieves the number of unused bytes in the internal data buffer that is used for writing to disc.
Syntax
HRESULT get_FreeSystemBuffer(
[out] LONG *value
);
Parameters
[out] value
Size, in bytes, of the unused portion of the internal data buffer that is used for writing to disc.
Return value
S_OK is returned on success, but other success codes may be returned as a result of implementation. The following error codes are commonly returned on operation failure, but do not represent the only possible error values:
| Return code | Description |
|---|---|
|
Pointer is not valid.
Value: 0x80004003 |
Remarks
This method returns the same value as if you subtracted IWriteEngine2EventArgs::get_UsedSystemBuffer from IWriteEngine2EventArgs::get_TotalSystemBuffer.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista, Windows XP with SP2 [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Target Platform | Windows |
| Header | imapi2.h |