Global Names
A name of an object, function, or enumerator is global if it is introduced outside any function or class or prefixed by the global unary scope operator (::), and if it is not used in conjunction with any of these binary operators:
Scope-resolution (::)
Member-selection for objects and references (.)
Member-selection for pointers (–>)
::SetWindowPos //Windows User Interface:Platform SDK
BOOL SetWindowPos(
HWND hWnd, // handle to window
HWND hWndInsertAfter, // placement-order handle
int X, // horizontal position
int Y, // vertical position
int cx, // width
int cy, // height
UINT uFlags // window-positioning flags
);
CWnd::SetWindowPos //MFC
BOOL SetWindowPos( const CWnd* pWndInsertAfter, int x, int y, int cx, int cy, UINT nFlags );