@Override
				public void actionPerformed(ProgramActionContext context) {
					Program program = context.getProgram();
					showAbout(program.getDomainFile(), program.getMetadata());
				}
Display a pop-up dialog containing information about the Domain Object
that is currently open in the tool.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/help/AboutProgramPlugin.java