--- a/VDBAbstractApplication.st	Thu Feb 01 23:28:51 2018 +0000
+++ b/VDBAbstractApplication.st	Sat Feb 03 21:18:50 2018 +0000
@@ -165,15 +165,31 @@
 !VDBAbstractApplication methodsFor:'change & update'!
 
 enqueueDelayedUpdate: selector
-    self window sensor pushUserEvent: selector for:self
+    | w |
+
+    w := self window.
+    w notNil ifTrue:[
+        self window sensor pushUserEvent: selector for:self
+    ] ifFalse:[ 
+        self perform: selector
+    ].
 
     "Created: / 17-01-2018 / 06:50:29 / jv"
+    "Modified: / 03-02-2018 / 08:10:03 / Jan Vrany <jan.vrany@fit.cvut.cz>"
 !
 
 enqueueDelayedUpdate: selector with: argument
-    self window sensor pushUserEvent: selector for:self  withArgument: argument
+    | w |
+
+    w := self window.
+    w notNil ifTrue:[
+        self window sensor pushUserEvent: selector for:self withArgument: argument
+    ] ifFalse:[ 
+        self perform: selector with: argument
+    ].
 
     "Created: / 17-01-2018 / 06:50:39 / jv"
+    "Modified: / 03-02-2018 / 08:10:42 / Jan Vrany <jan.vrany@fit.cvut.cz>"
 !
 
 update:something with:aParameter from:changedObject