2.2.5.10 LocalDeviceCallback_OnSurfacePoolAllocation
The LocalDeviceCallback_OnSurfacePoolAllocation message notifies the listener that a SurfacePool attempted to allocate storage.
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_size |
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_msgid |
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_idObjectSubject |
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target |
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idSurfacePool |
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nResult |
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_size (4 bytes): An unsigned 32-bit integer. The total message size, in bytes.
_msgid (4 bytes): A signed 32-bit integer. The message ID that is unique to the specific target. The _msgid value is 0x00000000 for this message.
_idObjectSubject (4 bytes): An unsigned 32-bit integer. The ID of the target object.
target (4 bytes): An unsigned 32-bit integer. The ID of the device.
idSurfacePool (4 bytes): An unsigned 32-bit integer. The ID of the SurfacePool.
nResult (4 bytes): A signed 32-bit integer. The result of the attempt to allocate SurfacePool storage. Possible values are described in the following table.
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Value
Description
0x00000000
The storage was not allocated.
0x00000001
The storage has been requested.
0x00000002
The storage content cannot be moved.
0x00000003
There is not enough memory available for allocation.