Exemplo n.º 1
0
 /// <summary>
 /// 单例模式,返回单个窗体对象
 /// </summary>
 /// <returns></returns>
 public static FrmBarcode GetSingleton()
 {
     //if(frm==null || frm.IsDisposed)
     if (frm == null)
     {
         frm = new FrmBarcode();
     }
     return(frm);
 }
Exemplo n.º 2
0
 private void FrmBarcode_FormClosing(object sender, FormClosingEventArgs e)
 {
     videoSourcePlayer1.SignalToStop();
     videoSourcePlayer1.WaitForStop();
     videoSourcePlayer2.SignalToStop();
     videoSourcePlayer2.WaitForStop();
     frm = null;
     serialPort1.Close();
 }