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IPortableDeviceValues::GetIPortableDeviceKeyCollectionValue method
The GetIPortableDeviceKeyCollectionValue method retrieves an IPortableDeviceKeyCollection value (type VT_UNKNOWN) specified by a key.
Syntax
HRESULT GetIPortableDeviceKeyCollectionValue(
[in] REFPROPERTYKEY key,
[out] IPortableDeviceKeyCollection **ppValue
);
Parameters
- key [in]
-
A REFPROPERTYKEY key that specifies the item to retrieve.
- ppValue [out]
-
Pointer to the retrieved IPortableDeviceKeyCollection interface pointer. The caller is responsible for calling Release on the retrieved interface.
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The method succeeded. |
|
The property specified by key is not an IPortableDeviceKeyCollection interface. |
|
The property specified by key is not in the collection. |
Examples
For an example of how to use this method, see Retrieving Supported Service Events.
Requirements
|
Header |
|
|---|---|
|
Library |
|
See also
- IPortableDeviceValues Interface
- IPortableDeviceValues::SetIPortableDeviceKeyCollectionValue
- Retrieving Supported Service Events
- Retrieving Supported Service Methods
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