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4/8/2010

This method specifies the size, number, and alignment of blocks.

Syntax 

HRESULT SetProperties(
  ALLOCATOR_PROPERTIES* 
pRequest,
  ALLOCATOR_PROPERTIES* 
pActual
);

Parameters

pRequest

[in] Requested allocator properties.

pActual

[out] Allocator properties actually set.

Return Value

Returns an HRESULTvalue that depends on the implementation.

HRESULTcan be one of the following standard constants, or other values not listed.

Value Description

E_FAIL

Failure.

E_POINTER

Null pointer argument.

E_INVALIDARG

Invalid argument.

E_NOTIMPL

Method is not supported.

S_OK or NOERROR

Success.

Remarks

The pRequestparameter is filled in by the caller with the requested values for the count, number, and alignment as specified by the ALLOCATOR_PROPERTIESstructure.

The pActualparameter is filled in by the allocator with the closest values that it can provide for the request.

This method cannot be called unless the allocator has been decommitted using the IMemAllocator::Decommitmethod.

This method assumes that blocks are all the same size.

Requirements

Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Pocket PC for Windows Mobile Version 5.0 and later, Smartphone for Windows Mobile Version 5.0 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment,
Version 2.12 requires DXPAK 1.0 or later

See Also