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Instance for the SAP HTML Viewer 
Definition
You define this instance with reference to the class
cl_gui_html_viewer :DATA html_viewer TYPE REF TO cl_gui_html_viewer.
Use
An instance of the SAP HTML Viewer administers all of the relevant information for an HTML browser on your screen. You can call the methods of this instance to define and change the attributes of the SAP HTML Viewer.
Integration
The class
cl_gui_html_viewer contains both control-specific methods and methods of the
Control Framework.
