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IMoniker::Hash
Calculates a 32-bit integer using the internal state of the moniker.
HRESULT Hash(
DWORD *pdwHash
| //Receives the hash value
| );
|
|
Parameter
pdwHash
[out] Receives the hash value.
Return Value
S_OK
Successfully received a 32-bit integer hash value.
Comments
Notes to Callers
You can use the value returned by this method to maintain a hash table of
monikers. The hash value determines a hash bucket in the table. To search such a
table for a specified moniker, calculate its hash value and then compare it to
the monikers in that hash bucket using IMoniker::IsEqual.
Notes to Implementors
The hash value must be constant for the lifetime of the moniker. Two monikers
that compare as equal using IMoniker::IsEqual must hash to the same value.
Marshaling and then unmarshaling a moniker should have no effect on its hash
value. Consequently, your implementation of IMoniker::Hash should rely only on the internal state of the moniker, not on its memory
address.
See Also
IMoniker::IsEqual
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