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#nullable enable
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace StringHandling
{
public partial class frmMain : Form
{
public frmMain()
{
InitializeComponent();
}
private void btnParseName_Click(object sender, System.EventArgs e)
{
// DONE: Add code to parse name
string fName = "";
string? mName = null;
string lName = "";
string name = txtFullName.Text.Trim();
string[] names = name.ToLower().Split(' ');
if (names.Length == 2) {
fName = names[0];
lName = names[1];
}
else if (names.Length == 3) {
fName = names[0];
mName = names[1];
lName = names[2];
}
else {
MessageBox.Show("You need to enter a full name "
+ "consisting of 2 or optionally 3 words",
"Error");
return;
}
string msg = "First name:\t" + ToInitialCap(fName)
+ "\n\nMiddle Name:";
if (mName != null)
msg += "\t" + ToInitialCap(mName);
msg += "\n\nLast name:\t" + ToInitialCap(lName);
MessageBox.Show(msg, "Parse Name");
}
private void btnEditPhoneNumber_Click(object sender, System.EventArgs e)
{
// DONE: Add code to edit the phone number
string phone = txtPhoneNumber.Text.Trim();
string digits = "";
foreach (char i in phone)
if (i >= '0' && i <= '9')
digits += i;
string standard = digits;
standard = standard.Insert(3, "-");
standard = standard.Insert(7, "-");
MessageBox.Show("Entered:\t\t"
+ phone + "\n\nDigits only:\t"
+ digits + "\n\nStandard format:\t"
+ standard, "Edit Phone Number");
}
// DONE: Add ToInitialCap method here
private string ToInitialCap(string s)
{
return s[0].ToString().ToUpper()
+ s.Remove(0, 1);
}
private void btnExit_Click(object sender, System.EventArgs e)
{
this.Close();
}
}
}
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