WindowProc typedef Null safety
Application-defined callback function that processes messages sent to a window.
Implementation
typedef WindowProc = LRESULT Function(
HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
Application-defined callback function that processes messages sent to a window.
typedef WindowProc = LRESULT Function(
HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);