using new,open, exit under file on menu

Hello,
I am starting to work on a form in C#. Under FILE on menu:
I have New
          Open
          Save
          Exit
I want to be able to create a new HTML file
                                 open a existing HTML file
                           and save an existing HTML file
I have pasted code I have so far
Do I need to set default property to HTML - or should I code differently?
thank you
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
 
namespace menu1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
//exit on menu
 
        private void eToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Close();
        }
//open on menu 
 
        private void openToolStripMenuItem_Click(object sender, EventArgs e)
        {
            string myContent;
            if (openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                StreamReader reader = new StreamReader(openFileDialog1.FileName);
                myContent = reader.ReadToEnd();
                reader.Close();
            }
            
        }
//save on menu
 
        private void saveToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (saveFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                StreamWriter writer = new StreamWriter(saveFileDialog1.FileName);
            }
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {
 
        }
 
        private void newToolStripMenuItem_Click(object sender, EventArgs e)
        {
 
        }
    }

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davetoughAsked:
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Craig WagnerSoftware ArchitectCommented:
I'm not sure I understand what the problem is, but I'm assuming you want to ensure that the user only can select HTML files.

On openFileDialog1 and saveFileDialog1 set the following properties:

DefaultExt = html
Filter = HTML files|*.html
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davetoughAuthor Commented:
yes - thank you - I was not sure about filter
lastly- I am  not sure of how to write code for New - to create a new html
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Craig WagnerSoftware ArchitectCommented:
What are the semantics of File -> New? What should it do? Usually when you do a File -> New operation it creates a new in-memory document. Assuming you have some sort of control on the form to let the user enter data into, File -> New should probably clear that control of its data.
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davetoughAuthor Commented:
I want to just create a empty htm file- you are correct about clearing data- I am going to have to think about what you said- thank you
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