/// <summary>
/// Initializes a new instance of the <see cref="SelectionOperation"/> class.
/// </summary>
/// <param name="service">The selection service creating this operation.</param>
/// <param name="previousState">The state of selection before this operation.</param>
/// <param name="nextState">The state of selection after this operation.</param>
public SelectionOperation(SelectionService service, SelectionState previousState, SelectionState nextState)
{
this.service = service;
this.previousState = previousState;
this.nextState = nextState;
}
