This dialog box is available when removing frames or time from an event duration bar in the right pane of the Animator Editor tool.
Length
Specifies the amount of time or number of frames you want to remove from the selected duration bar. When you type a value in one of the boxes, the value in the other box also updates.
Frames
Specifies the number of frames you want to remove.
Seconds
Specifies how much time you want to remove. Type the amount of time you want.
Position
Specifies at what location on the duration bar you want to remove frames or time. When you type a value in one of the boxes, the value in the other box also updates.
Before
Specifies that the frames or time is added or removed before the value displayed.
After
Specifies that the frames or time is removed after the value displayed.
Frame
Specifies the frame number position at which you want to remove frames. Type the frame number in the box.
Second
Specifies at which time position in the duration bar you want to remove frames. Type the time number in the box.