See non-letter harddisk with C #

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disk

management

C#6.0

I am doing one disk management application. I can take out the discs that have been created. The main problem is to see what has not been created. And to make them unit and shape. I do not want to use Windows's disk management application. What should I do for this? What I do is almost identical to the Windows Disk Management application.

What I have tried:

I have tried with WMI and Drive Info but I can not see disks that have not been created yet.

Here is one of the codes I tried:

DataTable dt = new DataTable();
           dt.Clear();
           dt.Columns.Add("Name");
           dt.Columns.Add("Volume Label");
           dt.Columns.Add("Type");
           dt.Columns.Add("Size");
           dt.Columns.Add("Format");
           dt.Columns.Add("Status");
           dt.Columns.Add("Free Space");


           dt.Columns.Add("Byte");


           DriveInfo[] driverslist = DriveInfo.GetDrives();
           foreach (DriveInfo d in driverslist)
           {


               if (d.IsReady == true)
               {

                   size = FormatBytes(Convert.ToInt64(d.TotalSize));
                   totalfreesize = FormatBytes(Convert.ToInt64(d.TotalFreeSpace));

                   dt.Rows.Add(d.Name, d.VolumeLabel, d.DriveType, size, d.DriveFormat, d.IsReady, totalfreesize, d.TotalSize);
               }
           }
           dataGrid.ItemsSource = dt.DefaultView;

I pull the harddisks in here and transfer them to the table.