XmpMetadata class

Provides access to XMP metadata stream.

The XmpMetadata type exposes the following members:

Properties

Name	Description
`is_fixed_size`	Checks if colleciton has fixed size.
`is_read_only`	Checks if collection is read-only.
`keys`	Gets collection of metadata keys.
`values`	Gets values in the metadata.
`count`	Gets count of elements in the collection.
`is_synchronized`	Checks if collection is synchronized.
`sync_root`	Gets collection synchronization object.

Name	Description
`register_namespace_uri(prefix, namespace_uri)`	Registers namespace URI.
`register_namespace_uri(prefix, namespace_uri, schema_description)`	Registers namespace URI.
`add(key, value)`	Adds value to metadata.
`add(key, value)`	Adds value to metadata.
`add_array_item(array_key, value)`	Adds value into an array. The value will be added at the end of the array.
`add_array_item(array_key, index, value)`	Adds value into an array by specified index.
`get_namespace_uri_by_prefix(prefix)`	Returns namespace URI by prefix.
`get_prefix_by_namespace_uri(namespace_uri)`	Returns prefix by namespace URI.
`clear()`	Clears metadata.
`contains(key)`	Checks does key is contained in metadata.
`remove(key)`	Removes entry from metadata.
`get_value(key)`	Gets data from metadata.
`set_value(key, value)`	Sets data to metadata.
`contains_key(key)`	Determines does this dictionary contasins specified key.
`try_get_value(key, value)`	Tries to find key in the dictionary and retreives value if found.
`set_array_item(array_key, index, value)`	Sets value in an array. Previous value will be replaced with new one.
`add_named_value(structure_key, value_key, value)`	Adds named value into a structure.
`set_named_value(structure_key, value_key, value)`	Sets named value into a structure. Previous named value, if already exists, will be replaced with new one.