///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

        public bool Set_Disconnect()
        {
            Set_Stop();

            if (_camera.IsOpen == false)
            {
                return(false);
            }

            _camera.Close();
            _camera.Dispose();

            return(true);
        }
 private void btnOpenCamera_Click(object sender, EventArgs e)
 {
     try
     {
         if (btnOpenCamera.Text == "打开相机")
         {
             OpenCurrentCamera();
             btnRun.Enabled = true;
         }
         else
         {
             _camera?.Close();
             btnRun.Enabled = false;
         }
     }
     catch (Exception ex)
     {
         throw;
     }
 }