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IPortableDeviceValues::GetFloatValue
The GetFloatValue method retrieves a FLOAT value (type VT_R4) specified by a key.
Syntax
HRESULT GetFloatValue( REFPROPERTYKEY key, FLOAT* pValue );
Parameters
key
[in] A REFPROPERTYKEY key that specifies the item to retrieve.
pValue
[out] Pointer to the retrieved FLOAT value.
Return Values
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description | 
| S_OK | The method succeeded. | 
| DISP_E_TYPEMISMATCH | The property specified by key is not a FLOAT type. | 
| E_PROP_ID_UNSUPPORTED | The property specified by key is not in the collection. | 
Requirements
Header: Defined in PortableDeviceTypes.h
Library: PortableDeviceGUIDs.lib
See Also
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