CCHookProc typedef Null safety

CCHookProc = UINT_PTR Function(HWND, UINT, WPARAM, LPARAM)

Application-defined callback function used with the ChooseColor function. Receives messages or notifications intended for the default dialog box procedure of the Color dialog box.

Implementation

typedef CCHookProc = UINT_PTR Function(HWND, UINT, WPARAM, LPARAM);