INIT_AVCSTRM_HEADER macro (avcstrm.h)
The INIT_AVCSTRM_HEADER macro initializes the SizeOfThisBlock, Version and Function members of the AVC_STREAM_REQUEST_BLOCK structure.
Syntax
void INIT_AVCSTRM_HEADER(
[in] AVCStrm,
[in] Request
);
Parameters
[in] AVCStrm
Points to a caller-allocated AVC_STREAM_REQUEST_BLOCK structure.
[in] Request
Indicates the type of the request (function code) from the AVCSTRM_FUNCTION enumeration. Each function code is documented under the IOCTL_AVCSTRM_CLASS topic.
Return value
None
Remarks
The macro is defined as follows:
#define INIT_AVCSTRM_HEADER( AVCStrm, Request ) \
(AVCStrm)->;SizeOfThisBlock = sizeof(AVC_STREAM_REQUEST_BLOCK); \
(AVCStrm)->;Function = Request; \
(AVCStrm)->;Version = CURRENT_AVCSTRM_DDI_VERSION;
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Desktop |
| Header | avcstrm.h (include Avcstrm.h) |