Occurs when the user selects the menu or toolbar Page Settings - Invert Colors.
Syntax
Visual Basic
Public Event OnImageInvertColorsStart()
Remarks
When the user clicks on the menu or toolbar button for Page Settings - Invert Colors, it will
first generate the "OnImageInvertColorsStart" event, perform the color inversion operation,
then generate the "OnImageInvertColorsFinish" event.
