The timeline's total time span
The timeline's total time span
The current cursor position in the user interface
The current cursor position in the user interface
Sample rate in frames per seconds.
Sample rate in frames per seconds.
The current selection in the user interface
The current selection in the user interface
Sets the bounds span and ensures that the virtual span includes the new bounds span, possibly extending it.
Sets the visible span and ensures that the virtual span includes the new visible span, possibly extending it.
Sets the visible span and reduces the virtual span if possible.
Sets the visible span and reduces the virtual span if possible.
It ensures the virtual span is never smaller than the model bounds
or the visible span or the selection span.
The current "virtual" view span, which may extend beyond the model's bounds
The current "virtual" view span, which may extend beyond the model's bounds
The currently visible span in the user interface
The currently visible span in the user interface