public static LineTypeInsert GetInstance()
{
if (ltiform == null || ltiform.IsDisposed)
{
ltiform = new LineTypeInsert();
}
return(ltiform);
}
private void barButtonItem新增_ItemClick(object sender, ItemClickEventArgs e)
{
LineTypeInsert Frm = LineTypeInsert.GetInstance();
Frm.TopLevel = false;
Frm.Parent = this;
Frm.Show();
Frm.BringToFront();
}