isExclusive property

bool isExclusive

If it is true, only one track of this type can be selected at each time. If it is false, multiple tracks of this type can be selected at the same time. 如果是true，该类型轨道每个时刻只有一条能被选中，如果是false，该类型轨道可以同时选中多条

Implementation

bool isExclusive = true;