SampleApp.MainForm.connectButton_Click C# (CSharp) Method

        private void connectButton_Click( object sender, EventArgs e )
        {
            // set busy cursor
            this.Cursor = Cursors.WaitCursor;

            // close whatever is open now
            CloseCamera( );

            if ( videoSource == null )
            {
                try
                {
                    videoSource = new XimeaVideoSource( deviceCombo.SelectedIndex );
                    
                    // start the camera
                    videoSource.Start( );

                    // get some parameters
                    nameBox.Text = videoSource.GetParamString( CameraParameter.DeviceName );
                    snBox.Text   = videoSource.GetParamString( CameraParameter.DeviceSerialNumber );
                    typeBox.Text = videoSource.GetParamString( CameraParameter.DeviceType);

                    // width
                    widthUpDown.Minimum = videoSource.GetParamInt( CameraParameter.WidthMin );
                    widthUpDown.Maximum = videoSource.GetParamInt( CameraParameter.WidthMax );
                    widthUpDown.Value = videoSource.GetParamInt( CameraParameter.WidthMax );

                    // height
                    heightUpDown.Minimum = videoSource.GetParamInt( CameraParameter.HeightMin );
                    heightUpDown.Maximum = videoSource.GetParamInt( CameraParameter.HeightMax );
                    heightUpDown.Value = videoSource.GetParamInt( CameraParameter.HeightMax );

                    // exposure
                    exposureUpDown.Minimum = videoSource.GetParamInt( CameraParameter.ExposureMin ) / 1000;
                    exposureUpDown.Maximum = videoSource.GetParamInt( CameraParameter.ExposureMax ) / 1000;
                    exposureUpDown.Value = 0;
                    exposureUpDown.Value = 10;

                    // gain
                    gainUpDown.Minimum = new Decimal( videoSource.GetParamFloat( CameraParameter.GainMin ) );
                    gainUpDown.Maximum = new Decimal( videoSource.GetParamFloat( CameraParameter.GainMax ) );
                    gainUpDown.Value = new Decimal( videoSource.GetParamFloat( CameraParameter.Gain ) );
                    
                    videoSourcePlayer.VideoSource = videoSource;

                    EnableConnectionControls( false );

                    // reset stop watch
                    stopWatch = null;

                    // start timer
                    timer.Start( );
                }
                catch ( Exception ex )
                {
                    MessageBox.Show( "Failed openning XIMEA camera:\n\n" + ex.Message, "Error",
                        MessageBoxButtons.OK, MessageBoxIcon.Error );
                    CloseCamera( );
                }
            }

            this.Cursor = Cursors.Default;
        }