public List <QuestionForms> GetVBRStartAddressandSizeQuestions(Mbr anMbr)
{
var questionList = new List <QuestionForms> {
};
var vbrsList = VbrHelpers.GetVBRListFromMBR(anMbr, ref aLogger);
Random rnd = new Random();
var number = 1;
foreach (var v in vbrsList)
{
if (v.IsEmptyPartition())
{
continue;
}
List <string> options = new List <string>();
for (int i = 0; i < 5; i++)
{
var rndNum = rnd.Next(v.BootSectorStartLocationByte() / 2, v.BootSectorStartLocationByte() * 3);
if ((rndNum & 0xFF00) == v.BootSectorStartLocationByte())
{
i--; continue;
} //to avoid equal to the correct answer
options.Add((rndNum & 0xFF00).ToString("X8"));
}
options.Add(v.BootSectorStartLocationByte().ToString("X8"));
//Start Address Question
questionList.Add(
new QuestionForms(new Question($"Start Address of Volume {number}",
GetMBRString(ref anMbr), v.BootSectorStartLocationByte().ToString("X8"),
"Convert LBA Address (see VBR Structure) From Little Endian, Then Multiply by boot sector size",
options, 3, QuizHelper.QuestionDifficulty.Hard), QuizHelper.InputValueType.HexVlaue));
List <string> sizeoptions = new List <string>();
for (int i = 0; i < 5; i++)
{
var rndNum = rnd.Next(v.Size / 2, v.Size * 3);
if ((rndNum & 0xFF00) == v.Size)
{
i--; continue;
} //to avoid equal to the correct answer
sizeoptions.Add((rndNum & 0xFF00).ToString("X8"));
}
sizeoptions.Add(v.Size.ToString("X8"));
//Size Question
questionList.Add(
new QuestionForms(new Question($"Size of Volume {number}",
GetMBRString(ref anMbr), v.Size.ToString("X8"),
"Convert Size (see VBR Structure) From Little Endian, Then Multiply by boot sector size",
sizeoptions, 3, QuizHelper.QuestionDifficulty.Hard), QuizHelper.InputValueType.HexVlaue));
}
return(questionList);
}
// METHODS
private int howmanyactivedisksanswer()
{
if (anMbr == null)
{
aLogger.LogMessage("MBR IS EMPTY. Did you forgot to load an MBR? ", LogMsgType.Warning);
throw new Exception("MBR IS EMPTY. Did you forgot to load an MBR? ");
}
var vbrList = VbrHelpers.GetVBRListFromMBR(anMbr, ref aLogger);
int number = 0;
foreach (var vbr in vbrList)
{
if (!vbr.IsEmptyPartition())
{
number++;
}
}
return(number);
}
private void printVbrsBtn_Click(object sender, EventArgs e)
{
if (anMbr == null)
{
aLogger.LogMessage("mbr is empty (maybe not loaded yet!), end function!", LogMsgType.Warning);
return;
}
var vbrsList = VbrHelpers.GetVBRListFromMBR(anMbr, ref aLogger);
foreach (var v in vbrsList)
{
Printer.PrintHorizentalLine(ref richTextBox1, 80, '-', true);
richTextBox1.AppendText($"Printing {v.Description}", Color.Magenta, true);
richTextBox1.AppendText("\n");
Printer.PrintHorizentalLine(ref richTextBox1, 80, '-', true);
if (!v.IsEmptyPartition())
{
Printer.PrintStructureValues(v.Structure, ref richTextBox1, ref aLogger);
}
}
}