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The FreeBuffer method frees the buffer that was allocated by the previous call to IDmaChannel::AllocateBuffer.
Syntax
void FreeBuffer();
Return value
None
Remarks
Because the buffer is automatically freed when the DMA-channel object is deleted, the FreeBuffer method is not typically used.
Requirements
| Requirement | Value |
|---|---|
| Header | portcls.h |
| IRQL | PASSIVE_LEVEL |