Represents the "ShowControls" entry of the movie activation dictionary object.

It is an optional entry defined as part of the PDF 1.0 specification.

It contains a bool representing a PDF boolean object.

The PDF specification states that this item assumes a value of false if no value has been provided.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 296, page 508.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 307, page 635.

The ShowControls entry, when true, causes the movie player to display its user interface controls during playback. When false, the movie plays without visible controls.