Hello,
-As said above- If I were you I would use formClosed event like
---------Parent form side-------------
private void btnOpenForm_Click(object sender, EventArgs e)
{
Form2 frm2 = new Form2();
frm2.FormClosed += new FormClosedEventHandler(frm2_FormClosed);
frm2.Show();
}
private void frm2_FormClosed(object sender, FormClosedEventArgs e)
{
this.Close();
}
----------Child form side-----------
private void btnCancel_Click(object sender, EventArgs e)
{
this.Close();
}
Kind regards..