private void btnDeleteOsEntry_Click(object sender, EventArgs e)
{
string osEntryId = this.txtOSEntryToDelete.Text.Trim();
if (osEntryId.Substring(0, 1) != "{")
{
MessageBox.Show("Must surround guid for os entry with curly braces '{' and '}' ");
return;
}
if (osEntryId.Trim().Length == 0)
{
MessageBox.Show("os entry is blank");
return;
}
if (MessageBox.Show("Are you sure you wish to delete this os entry?", "",
MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button2) != DialogResult.Yes)
{
return;
}
bool success = BcdStore_API.DeleteOsEntry(osEntryId);
if (success)
{
// clean out any guid references in the display list, to avoid a COM error for invalid guid list item in display list pointing to
// a guid which no longer exists in the store.
List <string> guidDisplayList = BcdStore_API.GetBootManagerGUIDEntriesDisplayListAsList();
bool badOneInDisplayList = false;
List <string> moddedList = new List <string>();
foreach (string guid in guidDisplayList)
{
if (guid == osEntryId)
{
badOneInDisplayList = true;
}
else
{
moddedList.Add(guid);
}
}
if (badOneInDisplayList)
{
string errorDetails;
success = BcdStore_API.SetOSDisplayListGuids(moddedList.ToArray(), "", out errorDetails);
if (!success)
{
MessageBox.Show("deletion went thru okay, but trouble removing some of the guid references in the display list");
return;
}
}
}
else
{
MessageBox.Show("failure to delete");
}
MessageBox.Show("successful deletion");
}
private void FillListBoxWithCurrentOSListDisplay(ListBox lb, bool viewDescrips)
{
List <string> guidList = BcdStore_API.GetBootManagerGUIDEntriesDisplayListAsList();
if (guidList == null)
{
MessageBox.Show("trouble getting guid list");
}
lb.Items.Clear();
foreach (string guid in guidList)
{
string descrip = BcdStore_API.GetDescriptionForGuid(guid, "");
if (viewDescrips)
{
if (descrip == null)
{
descrip = guid; // if no description default to showing guid, this is how the actual boot loader does it also
}
}
if (!viewDescrips)
{
lb.Items.Add(guid);
}
else
{
lb.Items.Add(descrip);
}
}
}