private void button1_Click(object sender, EventArgs e) { //调用FrmSingle的GetInstence方法 得窗口实例 FrmSingle frmSingle = FrmSingle.GetInstence(); frmSingle.Show(); }
public static FrmSingle GetInstence() { if (single == null || single.IsDisposed) { single = new FrmSingle(); } return(single); }