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