This interface allows to prevent changing of the modified state of the
object. It is introduced for performance optimizations, to allow to prevent
unnecessary updates, for example while importing a document.
Please use this interface very carefuly.
disable possibility to change modified state of the document
@retuns the value that says whether the modified state change was
enabled before the call
true the changing of the modified state was already disabled
false the changing of the modified state was enabled
enable possibility to change modified state of the document
@retuns the value that says whether the modified state change was
enabled before the call
true the changing of the modified state was disabled
false the changing of the modified state was already enabled
disable possibility to change modified state of the document
@retuns the value that says whether the modified state change was
enabled before the call
true the changing of the modified state was already disabled
false the changing of the modified state was enabled
enable possibility to change modified state of the document
@retuns the value that says whether the modified state change was
enabled before the call
true the changing of the modified state was disabled
false the changing of the modified state was already enabled