When-image-activated fires when the operators double clicks on an image itemwhen-image-pressed fires when an operator clicks or double clicks on an image item 

Any event that makes a different record in the master block the current record is a coordination causing event. 

When LOV for Validation is set to True, Oracle Forms compares the current value of the text item to the values in the first column displayed in the LOV.Whenever the validation event occurs. If the value 

Double clicking the mouse consists of the mouse down, mouse up, mouse click, mouse down & mouse up events. 

System.mouse_button_pressedSystem.mouse_button_shift_statesystem.mouse_itemsystem.mouse_canvassystem.mouse_record 

It represents the coordination causing event that occur on the master block in master-detail relation. 

When_window_activated When_window_closed When_window_deactivated When_window_resized Within this triggers, you can examine the built in system variable system. event_window to determine the name of the