| OnFileUnload | Event fired before view mode has been changed and before a new file has been opened using Open method. Should be used to perform some file finalization, like saving of current file position. |
| OnFileLoad | Event fired after view mode has been changed and after a new file has been opened using Open method. Should be used to perform some file post-initialization, like restoring of previously saved file position. |
| OnModeDetected | Event fired after a new value of Mode is set/detected, and before file is loaded in that mode. |
| OnOptionsChange | Event fired after an option has been changed by user. Examples of such changable options:
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