Declare variables at top of function or in separate scopes?

Question

Which is preferred, method 1 or method 2?

Method 1:

LRESULT CALLBACK wpMainWindow(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
    switch (         


        

Answer 1

You can't know at what point the stack reservation is done.

For readability I would go with C99 (or C++). That allows you the declaration of a variable really there where first use it.

 HDC hdc = BeginPaint(hwnd, &ps);