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