private async void DeleteClick(object s, RoutedEventArgs e)
{
Msgbox msgbox = new Msgbox();
string name = ((Database.Data)((ListBoxItem)this.FindControl <ListBox>("list").SelectedItem).DataContext).formula;
msgbox.init("将删除 \"" + name + "\"\n是否确认?\n此操作不可撤回!");
await msgbox.ShowDialog(this);
if (!msgbox.exitNormally)
{
return;
}
this.FindControl <ListBox>("list").SelectedItem = null;
// this.FindControl<ListBox>("list").Items = new List<ListBoxItem>().ToImmutableArray();
this.FindControl <ListBox>("list").Items = Restore.db.Delete(name);
this.FindControl <TextBox>("Searchbox").Text = "";
}
private async void UpdateClick(object sender, RoutedEventArgs e)
{
try
{
// 由于软件的主体用户是中国大陆用户，所以使用 Gitee。
WebResponse response = WebRequest.Create("https://gitee.com/HCl-10/chemdb/raw/main/Database.db").GetResponse();
Stream stream = response.GetResponseStream();
string ver = "";
int ch = stream.ReadByte();
while (ch != 0)
{
ver += (char)ch;
ch = stream.ReadByte();
}
stream.Close();
if (ver == Restore.db.version)
{
this.FindControl <Button>("UpdateButton").Content = "您的数据库是最新版本";
return;
}
Msgbox msgbox = new Msgbox();
msgbox.Title = "更新";
msgbox.init("您的数据库不是最新版本。\n是否更新?");
await msgbox.ShowDialog(this);
if (!msgbox.exitNormally)
{
return;
}
bool completed = false;
response = WebRequest.Create("https://gitee.com/HCl-10/chemdb/raw/main/Database.db").GetResponse();
BufferedStream buff = new BufferedStream(response.GetResponseStream(), 1048576);
long Dloaded = 0;
Thread thread = new Thread(() =>
{
BufferedStream wr = new BufferedStream(File.Open("Database.db", FileMode.Create, FileAccess.Write, FileShare.Write), 1048576);
int bt = buff.ReadByte();
while (bt != -1)
{
wr.WriteByte((byte)bt);
bt = buff.ReadByte(); ++Dloaded;
}
wr.Close();
buff.Close();
completed = true;
});
thread.Start();
while (!completed)
{
this.FindControl <Button>("UpdateButton").Content = "下载中，已下载：" + Dloaded.ToString("N0");
Thread.Sleep(100);
}
this.FindControl <Button>("UpdateButton").Content = "重启程序以完成更新";
}
catch (Exception ex)
{
Msgbox msgbox = new Msgbox();
msgbox.Title = "错误";
msgbox.init(ex.Message);
await msgbox.ShowDialog(this);
}
}