void MainWindow::selectfile()//選擇文件(gif) { path = QFile
//Dialog.hprivate: QTimer *timer;//Dialog.cpp//構造函數里 timer = new QTimer(this); c
怎么讓窗口無邊框blabla的就不寫啦//.cppvoid Dialog::mousePressEvent(QMouseEvent *event) { &n