public static HistoryBeiAnDanDataForm CreateInstance()
{
if (HistoryBeiAnDanDataFrm == null || HistoryBeiAnDanDataFrm.IsDisposed)
{
HistoryBeiAnDanDataFrm = new HistoryBeiAnDanDataForm();
}
return(HistoryBeiAnDanDataFrm);
}
private void BeiAnDanHistoryData_TSMI_Click(object sender, EventArgs e)
{
HistoryBeiAnDanDataForm HistoryBeiAnDanDataFrm = HistoryBeiAnDanDataForm.CreateInstance();
HistoryBeiAnDanDataFrm.Activate();
HistoryBeiAnDanDataFrm.WindowState = FormWindowState.Normal;
HistoryBeiAnDanDataFrm.MdiParent = this;
HistoryBeiAnDanDataFrm.Show();
}
