C#

e.Cancel = true;

private void Form1_Load(object sender, EventArgs e)
        {
            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.ask);
        }

        public void ask(object sen, FormClosingEventArgs e)
        {
          DialogResult r=   MessageBox.Show("do you really want to exit?", "exit", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
          if (r == DialogResult.Yes)
          {
              Application.Exit();
          }
          else
          {
              e.Cancel = true;
          }
        }

DialogResult result = MessageBox.Show("Do you really want to exit?", "Exit",
MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result != DialogResult.Yes)
    e.Cancel = true;

kieu duc khuong wrote:

Help me please!

Kolluri Swapna wrote:

javascript:Disablebackground()