IWriteEngine2EventArgs::get_UsedSystemBuffer method (imapi2.h)

Retrieves the number of used bytes in the internal data buffer that is used for writing to disc.

Syntax

HRESULT get_UsedSystemBuffer(
  [out] LONG *value
);

Parameters

[out] value

Size, in bytes, of the used 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
E_POINTER
Pointer is not valid.

Value: 0x80004003

Remarks

This value increases as data is read into the buffer and decreases as data is written to disc.

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

See also

IWriteEngine2EventArgs

IWriteEngine2EventArgs::get_FreeSystemBuffer

IWriteEngine2EventArgs::get_TotalSystemBuffer