Function

SecTransformCustomGetAttribute

Gets an attribute value from a custom transform.

Declaration

Parameters

ref

A SecTransformImplementationRef that is bound to an instance of a custom transform.

attribute

The name or the attribute handle of the attribute whose value is to be retrieved. When using a name, see Transform Attributes for a list of valid key names.

type

The type of data to be retrieved for the attribute. See the discussion on SecTransformMetaAttributeType for details.

Return Value

The value of the attribute.

See Also

Transform Characteristics

SecTransformSetAttribute

Sets a static value for an attribute in a transform.

SecTransformGetAttribute

Gets the current value of a transform attribute.

SecTransformCustomSetAttribute

Sets an attribute value on a custom transform.

SecTranformCustomGetAttribute

Gets an attribute value from a custom transform.

Deprecated
SecTransformPushbackAttribute

Pushes a single value back for a specific attribute.

Transform Attributes

Specify the attributes of a transform.

SecTransformAttributeRef

A direct reference to a security transform attribute.

SecTransformStringOrAttributeRef

A type that may be either a string or an attribute reference.

SecTransformMetaAttributeType

The keys that describe the metadata attributes of transform attributes.