private void ارتجاعاصنافمنموظفToolStripMenuItem_Click(object sender, EventArgs e)
{
if (returnFromEmployee == null)
{
returnFromEmployee = new returnFromEmployee();
returnFromEmployee.MdiParent = this;
returnFromEmployee.FormClosed += new FormClosedEventHandler(returnFromEmployee_FormClosed);
returnFromEmployee.Show();
}
else
{
returnFromEmployee.Activate();
}
}
void returnFromEmployee_FormClosed(object sender, FormClosedEventArgs e)
{
//throw new NotImplementedException();
returnFromEmployee = null;
}