private void barangToolStripMenuItem_Click(object sender, EventArgs e)
{
if (frmBarang == null)
{
frmBarang = new FormMasterBarang();
frmBarang.FormClosed += new FormClosedEventHandler(frmBarang_fromClosed);
frmBarang.ShowDialog();
}
else
{
frmBarang.Activate();
}
}
void frmBarang_fromClosed(object sender, FormClosedEventArgs e)
{
frmBarang = null;
}