MTSMouseMode
This parameter replaces the old parameter "UseAlternateMouseButtons", and can be used to select alternative behaviors of the mouse buttons. Possible modes:
1: Default mouse button bahavior
2: Alternate behavior, which was previously set by UseAlternateMouseButtons=1
3: Mouse behavior on MultiTrack Screen emulates the mouse behavior in ETE. Otherwise identical to mode 1.
Possible values: 1, 2, 3
Default value: 1