MFC: CButton and how ON_BN_DOUBLECLICKED message map works
Microsoft Foundation Classes (MFC) library provides CButton which, according to MSDN, can be used for creating a check box, a radio button, and a pushbutton.
There are two events CButton supports: (i) ON_BN_CLICKED (single click), (ii) ON_BN_DOUBLECLICKED (double click). Let’s assume you provide a meaningful implementation for a single click and do nothing in the event handler for the double …
adminInitializer list and initializing derived class members
Initializer list in C++ looks like in the example below (see constructor od D class):
class B {
public:
B() { }
};
class D : public B {
public:
int x;
int y;
D(int _x , int _y) : x(_x) , y(_y +1) { }
};
Now, what if class B had a protected member (z), which you had …