GetClassLongPtr function Null safety user32

int GetClassLongPtr(
  1. int hWnd,
  2. int nIndex
)

Retrieves the specified value from the WNDCLASSEX structure associated with the specified window.

ULONG_PTR GetClassLongPtrW(
  HWND hWnd,
  int  nIndex
);

Implementation

int GetClassLongPtr(int hWnd, int nIndex) => _GetClassLongPtr(hWnd, nIndex);