private void btnCancel_Click(object sender, EventArgs e)
{
var result = MessageBox.Show("Cancel?", "Open SZMe", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
Hide();
var secondWindow = new SecondWindow {
StartPosition = FormStartPosition.CenterParent
};
secondWindow.Show(this);
}
}