//执行按钮
private void Start_Click(object sender, RoutedEventArgs e)
{
//准备处理容器
ITEM.Clear();
for (int i = 0; i < RealRam.Count(); i++)
{
ITEM.Add(RealRam[i]);
}
//内存未开辟判定
if (RealRam.Count() == 0)
{
MessageBox.Show("还未初始化内存空间");
return;
}
RAM r = new RAM();
//得到处理实例
for (int i = 0; i < Op.Count(); i++)
{
if (Op[i].Status == Status.Wait)
{
r = Op[i];
break;
}
}
//特殊判定
if (r.Opera == "释放" && !IsExist(r.ID, ITEM))
{
MessageBox.Show("ID不存在");
r.Status = Status.Failed;
return;
}
//申请操作
if (r.Opera == "申请")
{
if (this.ff.IsChecked == true)
{
r.Status = RAM.First_fit(ITEM, r.ID, r.Size);
}
else if (this.nf.IsChecked == true)
{
r.Status = RAM.Next_fit(ITEM, r.ID, r.Size);
}
else if (this.bf.IsChecked == true)
{
r.Status = RAM.Best_fit(ITEM, r.ID, r.Size);
}
else if (this.wf.IsChecked == true)
{
r.Status = RAM.Worst_fit(ITEM, r.ID, r.Size);
}
}
//回收操作
if (r.Opera == "释放")
{
r.Status = RAM.Recycle(ITEM, r.ID, r.Size);
}
//重新放回元素
RealRam.Clear();
for (int i = 0; i < ITEM.Count(); i++)
{
RealRam.Add(ITEM[i]);
}
DataGrid table = this.OperaTable as DataGrid;
table.ItemsSource = null;
table.ItemsSource = Op;
}