private void btnStok_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
if (stok == null)
{
stok = new frmStoklar();
stok.MdiParent = this;
stok.Show();
}
}
private void btnStoklar_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
if (frm12 == null || frm12.IsDisposed)
{
frm12 = new frmStoklar();
frm12.MdiParent = this;
frm12.Show();
}
}