Index: tools/ddd/Functions.cpp
===================================================================
--- tools/ddd/Functions.cpp	(revision 82)
+++ tools/ddd/Functions.cpp	(revision 109)
@@ -88,5 +88,5 @@
   ftruncate(fileno(Tmpfile),0);
   rewind(Tmpfile);
-  if (RD->ReadEvent(EventNo->value(), Tmpfile) != CTX_OK) {
+  if (RD->ReadEvent(EventNo->value()-1, Tmpfile) != CTX_OK) {
     QMessageBox::warning(this, "ddd Warning","Could not read event.",QMessageBox::Ok);
     EventHeaderDisplay->clear();