![]() | GetWriteBufferSize |
Indicates the size of the I/O write buffer.
virtual HRESULT GetWriteBufferSize(long* pcbSize) sealed override;
[out] Current size of the I/O write buffer.
Returns S_OK if successful, otherwise a failure HRESULT.
The default size of the write buffer is 4096 bytes.
The following example demonstrates use of the GetWriteBufferSize function.
// CoAcme4321.cpp HRESULT Acme4321::OnFinalInitialize() { HRESULT hr = S_OK; long cbSize; hr = io.GetWriteBufferSize(&cbSize); return hr; }