The Before Update Form event is triggered when the user clicks the left mouse button on any control on the form.

Given the class definition,

``` class A { public: A(){} A(int x, char y):xx(x), yy(y) {} // other members private: int xx; char yy; ``` Tell which definition below is legal. If legal, tell whether it is a definition of an object of class A. If the definition is a legal and defines a class A object, tell which constructor is called for each of the following definitions. Identify the constructor like this: If the constructor for class A with two int arguments is called, respond with A(int, int). a)``` A x(2, ‘A’); ``` b)``` A x; ``` c)``` A x(1); ``` e)``` A x( ); ```

Variables declared in a library module must be assigned to the module namespace.

Answer the following statement true (T) or false (F)