Remove the data associated with a given type.
The actual effect that will be used, and should always be one of the possible values of effectAllowed.
Specifies the effects that are allowed for this drag.
Retrieves the data for a given type, or an empty string if data for that type does not exist or the data transfer contains no data.
Set the data for a given type.
Holds a list of the format types of the data that is stored for the first item, in the same order the data was added.