Midterm Thursday, in class. Cheat sheet only, close form, no electronics

Classes Event Handling GUI Components Variables, methods, constructors Control structures Inheritance Access scope Event Handling GUI Components

Trace control structures – inclass exercise Write control structure-related code – class sample Private, protected, and public - inclass exercise Write a simple class – Projects #1, #2 & #3 Concepts about Classes – Projects #1, #2 & #3 Concepts about Events and Event handling - Projects #2, #3 Concepts about GUI Components - Project #3

Examples CMyShape MyCar class (project #2) Re cap of class exercises

break & continue int sum=0; for (int i=1; i<=10; i++) { if (i%5==0) continue; sum += i; // sum = sum+i; } if (i%5==0) break;

What will be printed? for (int j=0; j<9; j++) { switch (i) { for (int i=0; i<3; i++) { for (int j=0; j<9; j++) { switch (i) { case 0: break; case 1: continue; } Console::WriteLine(10*i+j); if (j==4) { else {

Access modifiers Public Private Protected Accessible by external functions and methods Accessible to derived ref classes Private Not accessible by external functions and methods Not accessible to derived ref classes Protected

Are They Accessible? ref class B { private: int a; protected: int b; public: int c; public: void bbb() { Console::Write(“{0}\n”, a); // accessible? Console::Write(“{0}\n”, b); // accessible? Console::Write(“{0}\n”, c); // accessible? } }; ref class A: public B { public: void bbb(int a) { Console::Write(“{0}\n”, this->a); // accessible? ref class C { public: void ccc() { B ^b = gcnew B(); Console::Write(“{0}\n”, b->a); // accessible? Console::Write(“{0}\n”, b->b); // accessible? Console::Write(“{0}\n”, b->c); // accessible?