If key is not found in dictionary, null is returned.
The expected_type string specifies what type of value is expected.
If the value associated with key has a different type then null is
returned.
If the key is found and the value has the correct type, it is
returned. If expected_type was specified then any non-null return
value will have this type.
Looks up a value in a #GVariantDict.
If key is not found in dictionary, null is returned.
The expected_type string specifies what type of value is expected. If the value associated with key has a different type then null is returned.
If the key is found and the value has the correct type, it is returned. If expected_type was specified then any non-null return value will have this type.