SaveFileDialog: filter, check file exists, initial directory : SaveFileDialog « GUI Windows Forms « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. GUI Windows Forms
3. SaveFileDialog

using System;
using System.Collections.Generic;
using System.Windows.Forms;

static class MainClass
{
    [STAThread]
    static void Main()
    {
        SaveFileDialog dlg = new SaveFileDialog();
        dlg.Filter = "RichText Files (*.rtf)|*.RTF|Text Files (*.txt)|*.TXT" +
          "|All files (*.*)|*.*";
        dlg.CheckFileExists = true;
        dlg.InitialDirectory = Application.StartupPath;

        if (dlg.ShowDialog() == DialogResult.OK)
        {
            Console.WriteLine(dlg.FileName);
        }
  
    }
}