SubclassProc typedef
SubclassProc =
LRESULT Function(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR uIdSubclass, DWORD_PTR dwRefData)
Application-defined callback function used with the RemoveWindowSubclass and SetWindowSubclass functions.
Implementation
typedef SubclassProc = LRESULT Function(HWND hWnd, UINT uMsg, WPARAM wParam,
LPARAM lParam, UINT_PTR uIdSubclass, DWORD_PTR dwRefData);