public object InvokeExpression(int expressionId, System.Collections.Generic.IList<System.Activities.Location> locations) {
     if ((this.rootActivity == null)) {
         this.rootActivity = this;
     }
     if ((expressionId == 0)) {
         StateMachineNumberGuessWorkflow_TypedDataContext3_ForReadOnly valDataContext0 = new StateMachineNumberGuessWorkflow_TypedDataContext3_ForReadOnly(locations, true);
         return valDataContext0.ValueType___Expr0Get();
     }
     if ((expressionId == 1)) {
         StateMachineNumberGuessWorkflow_TypedDataContext3 refDataContext1 = new StateMachineNumberGuessWorkflow_TypedDataContext3(locations, true);
         return refDataContext1.GetLocation<int>(refDataContext1.ValueType___Expr1Get, refDataContext1.ValueType___Expr1Set);
     }
     if ((expressionId == 2)) {
         StateMachineNumberGuessWorkflow_TypedDataContext4_ForReadOnly valDataContext2 = new StateMachineNumberGuessWorkflow_TypedDataContext4_ForReadOnly(locations, true);
         return valDataContext2.ValueType___Expr2Get();
     }
     if ((expressionId == 3)) {
         StateMachineNumberGuessWorkflow_TypedDataContext4_ForReadOnly valDataContext3 = new StateMachineNumberGuessWorkflow_TypedDataContext4_ForReadOnly(locations, true);
         return valDataContext3.ValueType___Expr3Get();
     }
     if ((expressionId == 4)) {
         StateMachineNumberGuessWorkflow_TypedDataContext4 refDataContext4 = new StateMachineNumberGuessWorkflow_TypedDataContext4(locations, true);
         return refDataContext4.GetLocation<int>(refDataContext4.ValueType___Expr4Get, refDataContext4.ValueType___Expr4Set);
     }
     if ((expressionId == 5)) {
         StateMachineNumberGuessWorkflow_TypedDataContext4 refDataContext5 = new StateMachineNumberGuessWorkflow_TypedDataContext4(locations, true);
         return refDataContext5.GetLocation<int>(refDataContext5.ValueType___Expr5Get, refDataContext5.ValueType___Expr5Set);
     }
     if ((expressionId == 6)) {
         StateMachineNumberGuessWorkflow_TypedDataContext4_ForReadOnly valDataContext6 = new StateMachineNumberGuessWorkflow_TypedDataContext4_ForReadOnly(locations, true);
         return valDataContext6.ValueType___Expr6Get();
     }
     if ((expressionId == 7)) {
         StateMachineNumberGuessWorkflow_TypedDataContext4_ForReadOnly valDataContext7 = new StateMachineNumberGuessWorkflow_TypedDataContext4_ForReadOnly(locations, true);
         return valDataContext7.ValueType___Expr7Get();
     }
     if ((expressionId == 8)) {
         StateMachineNumberGuessWorkflow_TypedDataContext4_ForReadOnly valDataContext8 = new StateMachineNumberGuessWorkflow_TypedDataContext4_ForReadOnly(locations, true);
         return valDataContext8.ValueType___Expr8Get();
     }
     return null;
 }