IPortableDeviceValues::GetFloatValue method

The GetFloatValue method retrieves a FLOAT value (type VT_R4) specified by a key.

Syntax

HRESULT GetFloatValue(
  [in]  REFPROPERTYKEY key,
  [out] FLOAT          *pValue
);

Parameters

key [in]

A REFPROPERTYKEY key that specifies the item to retrieve.

pValue [out]

Pointer to the retrieved FLOAT value.

Return value

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
PortableDeviceTypes.h
Library
PortableDeviceGUIDs.lib

See also

IPortableDeviceValues Interface

IPortableDeviceValues::SetFloatValue