private void btnsave_Click(object sender, EventArgs e)
{
// Save the text in txtNewUsername into the variable userId.
string userId = txtNewUsername.Text;
// Create a foreach statement.
foreach (Control c in this.Controls)
{
if (c is TextBox)
{
// If the textbox is empty...
TextBox txtBox = c as TextBox;
if (txtBox.Text == string.Empty)
{
// If the textbox is empty, display a message prompting the userto enter a name.
MessageBox.Show("You must enter a username.");
return;
}
}
}
// Call the GetFileLocation() method from the File Location Manager class and save the returned information
// into the variable filePath.
string filePath = FileLocationManager.GetFileLocation();
// Create a try catch.
try
{
// See if the file already exists and if it does, write the name to the file.
FileStream aFile = new FileStream(filePath, FileMode.Append, FileAccess.Write);
// Create a new instance of the StreamWriter class and cll it sw. Pass aFile into this class.
StreamWriter sw = new StreamWriter(aFile);
// Write the userId to sw.
sw.WriteLine(userId);
// Close sw.
sw.Close();
// Close aFile.
aFile.Close();
}
// If there is an error, catch the error.
catch (Exception ex)
{
Console.WriteLine(ex.StackTrace);
}
// Show a message box telling the user that the name has been successfully added.
MessageBox.Show("User Added Succesfully.");
// Reset txtNewUsername to having no characters.
txtNewUsername.Text = "";
}
private double BestTime()
{
// Create a new variable called lowestTime and set it to 0.
double lowestTime = 0;
// Create an if statment.
if (File.Exists(FileLocationManager.GetFileName()))
{
// If the file from the variable filePath exists, make a new list and call it timeArray.
List <double> timeArray = new List <double>();
// Make an instance of the BinaryReader class, open the File class, go to method GetFileName() in File Location Manager, open the FileMode.
using (BinaryReader b = new BinaryReader(File.Open(FileLocationManager.GetFileName(), FileMode.Open)))
{
// Create a new variable called pos and set it to 0;
double pos = 0;
// Create a new variable called length and using the instance of the BinaryReader class, open the BaseStream and get the .Length property.
// Cast this so it is a double.
double length = (double)b.BaseStream.Length;
// While pos is less than length...
while (pos < length)
{
// Create a new variable called v and using the instance of the BinaryReader class, open the method ReadDouble().
double v = b.ReadDouble();
// Add the time to the array.
timeArray.Add(v);
//
pos += sizeof(double);
}
}
// Save the minimum time in the timeArray array under the variable lowestTime.
lowestTime = timeArray.Min();
}
// Return the variable lowestTime.
return(lowestTime);
}
private void ScoreTableData(string Player, double time)
{
// Save the Player and time under the variable userAndTime.
string userAndTime = Player + "-" + time;
// Save the information from this file as the variable filePath.
string filePath = FileLocationManager.GetFileTime();
// If filePath does not exist...
if (!File.Exists(filePath))
{
// Create a new instance of the FileStream class and call it aFile. Create a new file.
FileStream aFile = new FileStream(filePath, FileMode.Create, FileAccess.Write);
// Create a new instance of the StreamWriter class and call it sw. Pass aFile into this class.
StreamWriter sw = new StreamWriter(aFile);
// Write the userAndTime to sw.
sw.WriteLine(userAndTime);
// Close sw.
sw.Close();
// Close aFile.
aFile.Close();
}
// Otherwise...
else
{
// Create a new instance of the FileStream class and call it aFile. Add to the existing file.
FileStream aFile = new FileStream(filePath, FileMode.Append, FileAccess.Write);
// Create a new instance of the StreamWriter class and call it sw. Pass aFile into this class.
StreamWriter sw = new StreamWriter(aFile);
// Write the userAndTime to sw.
sw.WriteLine(userAndTime);
// Close sw.
sw.Close();
// Close aFile.
aFile.Close();
}
}
private void ShowResults()
{
// Create a new List call it column and populate it with the information below.
List <string> column = new List <string>()
{
"Name", "Time (sec)"
};
// Create a new List and call it Row.
List <string[]> Row = new List <string[]>();
// Create a new two-dimensional string array and call it timeArray.
string[,] timeArray;
// Create a new string array and call it users.
string[] users = new string[0];
// If this file exists...
if (File.Exists(FileLocationManager.GetFileTime()))
{
// Pass the information from this file into users.
users = File.ReadLines(FileLocationManager.GetFileTime()).ToArray();
}
// Add the information from the users array.
timeArray = new string[users.Length, 2];
// Create a for loop.
for (int i = 0; i < users.Length; i++)
{
// For every piece of information from the users array, split the name and time using a '-'.
string[] userNameAndTime = users[i].Split('-');
// Assign the appropiate information to the appropiate place in the table.
timeArray[i, 0] = userNameAndTime[0];
timeArray[i, 1] = userNameAndTime[1];
}
// Create another for loop.
for (int i = 0; i < users.Length; i++)
{
// Add a new row. Create a new array and display the information that was split above.
Row.Add(new string[] { timeArray[i, 0], timeArray[i, 1].ToString() });
}
// Create a new instance of the DataTable class and call it table.
DataTable table = new DataTable();
// Create a foreach statement.
foreach (string text in column)
{
// Add the text into the column.
table.Columns.Add(text);
}
// Create another foreach statement.
foreach (string[] cell in Row)
{
// Add the cell into the row.
table.Rows.Add(cell);
}
// Show the dataScoreTable.
dataScoreTable.DataSource = table.AsDataView();
dataScoreTable.Sort(dataScoreTable.Columns["Time (sec)"], ListSortDirection.Ascending);
}
