Qt 提取文件(exe, dll等)中的图标icon

 1 QString filename = QFileDialog::getOpenFileName(this, tr("选择要添加的程序"),
 2 qApp->applicationDirPath(), tr("Excutable(*.*)"));
 3 if(filename.isEmpty())
 4 {
 5 return;
 6 }
 7 QFileInfo fileInfo(filename);
 8 QFileIconProvider seekIcon;
 9 QIcon icon = seekIcon.icon(fileInfo);
10 QPixmap pixmap=icon.pixmap(QSize(15,15));
11 if(!pixmap.save(tr("%1.png").arg(fileInfo.baseName()),"png"))
12 {
13 qDebug()<<"Save icon failed!!"

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