private void barButtonItem3_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
FrmKasa form = new FrmKasa();
form.MdiParent = this;
form.Show();
}
private void barButtonItem2_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
FrmKasa kasa = new FrmKasa();
kasa.MdiParent = this;
kasa.Show();
}
private void barButtonItem13_ItemClick(object sender, ItemClickEventArgs e)
{
FrmKasa form = new FrmKasa();
form.MdiParent = this;
form.Show();
}