Startup

plugins/ScreenPanel.java

@@ -2258,18 +2258,27 @@ public class ScreenPanel extends Panel {
 
     private void buttonGrabBackgroundActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_buttonGrabBackgroundActionPerformed
         try {
-            if (camera instanceof Camtool) {
+            if ((camera!=null)  && (camera instanceof Camtool)) {
                 if (SwingUtils.showOption(getTopLevel(), "Background", "Do you want to capture background now?", OptionType.YesNo) == OptionResult.Yes) {
                     boolean laserOn = getLaserState();
+                    boolean rendering = (!camera.isClosed());
+                    if (rendering){
+                        camera.close();
+                    }
                     if (laserOn) {
                         setLaserState(false);
                     }
-                    try {
-                        ((Camtool) camera).grabBackground(null, 5);
+                    try{                      
+                        System.out.println("Grabbing background for: " + cameraName);
+                        ((Camtool) camera).grabBackground(cameraName, 5);
                     } finally {
                         if (laserOn) {
                             setLaserState(true);
                         }
+                        if (rendering){
+                            comboCamerasActionPerformed(null);
+                        }
+                        updateStop();
                     }
                     SwingUtils.showMessage(getTopLevel(), "Success", "Success capturing background", 5000);
                 }