Anteckning
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Retrieves a progress item based on the specified block number.
Syntax
HRESULT ProgressItemFromBlock(
  [in]  ULONG         block,
  [out] IProgressItem **item
);
Parameters
[in] block
Block number of the progress item to retrieve. The method returns the progress item if the block number is in the first and last block range of the item.
[out] item
An IProgressItem interface associated with the specified block number.
Return value
S_OK is returned on success, but other success codes may be returned as a result of implementation. The following error codes are commonly returned on operation failure, but do not represent the only possible error values:
| Return code | Description | 
|---|---|
  | 
Pointer is not valid.
 Value: 0x80004003  | 
  | 
Failed to allocate the required memory.
 Value: 0x8007000E  | 
  | 
One or more arguments are not valid.
 Value: 0x80070057  | 
Requirements
| Requirement | Value | 
|---|---|
| Minimum supported client | Windows Vista, Windows XP with SP2 [desktop apps only] | 
| Minimum supported server | Windows Server 2003 [desktop apps only] | 
| Target Platform | Windows | 
| Header | imapi2fs.h |