--- a/VDBThreadGroupPresenter.st	Fri Mar 12 17:58:59 2021 +0000
+++ b/VDBThreadGroupPresenter.st	Mon May 17 13:31:59 2021 +0100
@@ -1,6 +1,7 @@
 "
 jv:vdb - Visual / VM Debugger
 Copyright (C) 2015-now Jan Vrany
+Copyright (C) 2021 LabWare
 
 This software is licensed under 'Creative Commons Attribution-NonCommercial 4.0 International License'
 
@@ -23,6 +24,7 @@
 "
 jv:vdb - Visual / VM Debugger
 Copyright (C) 2015-now Jan Vrany
+Copyright (C) 2021 LabWare
 
 This software is licensed under 'Creative Commons Attribution-NonCommercial 4.0 International License'
 
@@ -97,6 +99,19 @@
     "Created: / 21-09-2014 / 23:38:56 / Jan Vrany <jan.vrany@fit.cvut.cz>"
 ! !
 
+!VDBThreadGroupPresenter methodsFor:'printing & storing'!
+
+printOn:aStream
+    "append a printed representation of the receiver to the argument, aStream"
+
+    super printOn:aStream.
+    aStream nextPut:$(.
+    threadGroup printOn:aStream.
+    aStream nextPut:$).
+
+    "Created: / 14-05-2021 / 14:34:06 / Jan Vrany <jan.vrany@labware.com>"
+! !
+
 !VDBThreadGroupPresenter methodsFor:'protocol-accessing'!
 
 fetchChildren