ImageGear for C and C++ on Linux v19.10 - Updated
HIG_PDF_LAYER
API Reference Guide > PDF Component API Reference > PDF Component Objects Reference > General Objects > HIG_PDF_LAYER

Handle to the PDF layer object which represents a named object whose state can be toggled in a User Interface to affect changes in visibility of content.

Members:

IG_PDF_layer_create Creates new layer (optional-content group) object in the document.
IG_PDF_layer_get_name Gets the layer name.
IG_PDF_layer_set_name Sets the new layer name.
IG_PDF_layer_get_current_state Gets the current ON-OFF state of the layer object.
IG_PDF_layer_set_current_state Sets the current ON-OFF state of the layer object.
IG_PDF_layer_get_initial_state Gets the initial ON-OFF state of the layer object.
IG_PDF_layer_set_initial_state Sets the initial ON-OFF state of the layer object.
IG_PDF_layer_has_usage_info Tests whether a layer object is associated with a Usage dictionary.
IG_PDF_layer_get_usage_info Gets usage information from a layer object.
IG_PDF_layer_set_usage_info Sets a Usage dictionary entry in a layer object.
IG_PDF_layer_get_intent Gets the intent list for a layer.
IG_PDF_layer_set_intent Sets the Intent entry in a layer's dictionary.
IG_PDF_layer_get_unique_id Sets a unique ID.
IG_PDF_layer_release Releases a layer object.
IG_PDF_layer_remove Destroys layer (optional-content group) object.