LRESULT CALLBACK WinProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
switch(msg) {
case WM_CREATE:
SetWindowLong(hWnd, GWL_USERDATA, LONG(LPCREATESTRUCT(lParam)->lpCreateParams));
break;
case WM_DESTROY:
PostQuitMessage(0);
printf("Destroy\n");
return 0;
break;
default:
DisplayWindow* displayWindow = (DisplayWindow*)GetWindowLong(hWnd, GWL_USERDATA);
if (displayWindow != NULL) {
return displayWindow->handleMessage(hWnd, msg, wParam, lParam);
} else {
return DefWindowProc(hWnd, msg, wParam, lParam);
}
break;
}
return 0;
}
