I want to disable the icons after some actions,
i can do that by using
or
after that, i try to restore the icon state, i used. . .
or
all of them work ! EXCEPT the undoStack is cleared. . .
I discovered that after sourceCmd is pressed, the undo icon can be disabled correctly with containing the undoStack,
any one know how to do that?
i can do that by using
undoCmd.setState(0);
or
undoCmd.disable();
after that, i try to restore the icon state, i used. . .
undoCmd.setState(2);
or
undoCmd.enable();
all of them work ! EXCEPT the undoStack is cleared. . .
I discovered that after sourceCmd is pressed, the undo icon can be disabled correctly with containing the undoStack,
any one know how to do that?