Microsoft DirectX 8.1 (C++)

CMediaType::AllocFormatBuffer

The AllocFormatBuffer method allocates memory for the format block.

Syntax

BYTE* AllocFormatBuffer(
    ULONG length
);

Parameters

length

Size required for the format block, in bytes.

Return Value

Returns a pointer to the new block if successful. Otherwise, returns NULL.

Remarks

If the method successfully allocates a new format block, it frees the existing format block. If the allocation fails, the method leaves the existing format block.

See Also