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