鼠标中键消息的处理

case WM_MBUTTONDOWN:MessageBox(NULL,"鼠标中键按下","mouse message",MB_OK);break; case 0x020A:{short zDelta = HIWORD(wParam);if(zDelta == 120) {MessageBox(NULL,"鼠标中键向上滚轮","mouse message",MB_OK);}else{MessageBox(NULL,"鼠标中键向下滚轮","mouse message",MB_OK);}}break;