Question

Write a method called Drawline that accepts as input an integer n and generates a line of output in lstOutput with n hyphens. That is, if n = 6 we have a line of ‘------‘ displayed in the list box.

Must be in C#

Answer 1

Dear Student ,

As per requirement submitted above kindly find below solution.

Here new windows forms application in C# is created using visual studio 2019 with name "SimpleCSharpApp". This application contains a form with name "Form1.cs".Below is the details of this form.

Form1.cs[Design] :

Draw line . x Enter number: 0 Draw Line

**********************************

Form1.cs :

//namespace
using System;
using System.Windows.Forms;
//application namespace
namespace SimpleCSharpApp
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
//Drawline button click
private void btnDrawLine_Click(object sender, EventArgs e)
{
//taking number entered by user
int number = int.Parse(txtNumber.Text);
//call method
this.Drawline(number);
}
//method to drawline
public void Drawline(int n)
{
string line = "";//declaring variable to generate line
//using for loop
for (int i = 0; i < n; i++)
{
//concatenate hypens
line = line + "-";
}
//show line in the listbox
lstOutput.Items.Add(line);
}
}
}

==================================

Output :Run application using F5 and will get the screen as shown below

Screen 1:Form1.cs

Draw line . x Enter number: 0 Draw Line

Screen 2:Screen showing line in the list box when a numnber with value 6 is entered

Draw line - O X Enter number: Draw Line

NOTE :PLEASE FEEL FREE TO PROVIDE FEEDBACK ABOUT THE SOLUTION.