IMemAllocator::SetProperties
A version of this page is also available for
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 HRESULT value that depends on the implementation.
HRESULT can 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 pRequest parameter is filled in by the caller with the requested values for the count, number, and alignment as specified by the ALLOCATOR_PROPERTIES structure.
The pActual parameter 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::Decommit method.
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 |