private void 除ToolStripMenuItem_Click_1(object sender, EventArgs e)
{
ListViewItem current_item = new ListViewItem();
if (listView1.SelectedItems.Count != 0)
{
current_item = listView1.SelectedItems[0];
}
else
{
MessageBox.Show("Please select a item");
return;
}
File current_file = catalog.getFile(getPointer(current_item));
FCB current_fcb = catalog.getFCB(current_file);
List <int> indexs = current_file.indexPointer.readTable();
bitMap.withdraw(indexs);
current_fcb.remove();
catalog.removeFile(current_fcb);
UpdateView();
}
private void 除ToolStripMenuItem_Click(object sender, EventArgs e)
{
//如果选中文件个数不只一个，则选中的文件为第一个，否则提示用户选中一个文件
ListViewItem current_item = new ListViewItem();
if (listView1.SelectedItems.Count != 0)
{
current_item = listView1.SelectedItems[0];
}
else
{
MessageBox.Show("Please select a item");
return;
}
//通过内存指针找到该文件
File current_file = catalog.getFile(getPointer(current_item));
//获得该文件的PCB
FCB current_fcb = catalog.getFCB(current_file);
//获得当前文件的所有内存块
List <int> indexs = current_file.indexPointer.readTable();
//将所有内存块均置为可用的状态
bitMap.withdraw(indexs);
current_fcb.remove();
UpdateListView();
UpdateTreeView();
catalog.removeFile(current_fcb);
UpdateListView();
UpdateTreeView();
}
private void releaseBlock()
{
List <int> indexs = textFile.indexPointer.readTable();
bitMap.withdraw(indexs);
}
