module winmain; import core.runtime; import core.sys.windows.windows; extern (Windows) int WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { int result; try { Runtime.initialize(); result = myWinMain(hInstance, hPrevInstance, lpCmdLine, nCmdShow); Runtime.terminate(); } catch (Throwable o) // catch any uncaught exceptions { MessageBoxA(null, cast(char *)o.toString(), "Error", MB_OK | MB_ICONEXCLAMATION); result = 0; // failed } return result; } int myWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { /* ... insert user code here ... */ throw new Exception("not implemented"); return 0; }