Question

How to unload all open forms using WinForms in C#

Answer 1

namespace WinFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Form mainForm = Application.OpenForms[0];

            foreach (Form form in Application.OpenForms)
            {
                if (form != mainForm)
                {
                    form.Close();
                }
            }

            mainForm.Close();
        }
    }
}



/*
run:
 
 
*/

 

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