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# VolumeRefreshingPeriod Property of the License Object

This property provides access to the limitation period if the license limits the number of processed pages/characters during this period. The property uses as an input parameter the type of units (pages, characters) used by the ABBYY FineReader Engine license to limit the number of operations.

## Syntax

### C++

```cpp theme={null}
HRESULT get_VolumeRefreshingPeriod(
   LicenseCounterTypeEnum      CounterType,
   VolumeRefreshingPeriodEnum* Result
);
```

### C\#

```csharp theme={null}
VolumeRefreshingPeriodEnum get_VolumeRefreshingPeriod( LicenseCounterTypeEnum CounterType );
```

### Visual Basic .NET

```vb theme={null}
ReadOnly Property VolumeRefreshingPeriod(CounterType As LicenseCounterTypeEnum) As VolumeRefreshingPeriodEnum
```

## Parameters

CounterType

\[in] This variable specifies the type of units used by the ABBYY FineReader Engine license to limit the number of operations during the period. See the description of the [LicenseCounterTypeEnum](/fine-reader/engine/api-reference/enumerations/licensecountertypeenum) constants.

Result

\[out, retval] Returns the license limitation period for the specified limitation units as the [VolumeRefreshingPeriodEnum](/fine-reader/engine/api-reference/enumerations/volumerefreshingperiodenum) constant.

## Return values

This function has no specific return values. It returns the [standard return values of ABBYY FineReader Engine functions](/fine-reader/engine/api-reference/return-codes).

## See also

[License](/fine-reader/engine/api-reference/license-related-objects/license)

[Working with Properties](/fine-reader/engine/guided-tour/advanced-techniques/programming-aspects/working-with-properties)