Changeset 2178 for trunk/MagicSoft/Mars/mhist/MFillH.cc

Timestamp:

06/16/03 13:45:01 (21 years ago)

Author:

tbretz

Message:

*** empty log message ***

File:

• trunk/MagicSoft/Mars/mhist/MFillH.cc (modified) (1 diff)

trunk/MagicSoft/Mars/mhist/MFillH.cc

@@ -501 +501 @@
 
     //
-    // Check whether fDisplay has previously been used (fCanvas)
-    // and fDisplay is still open.
-    //
-    if (fCanvas && fDisplay)
+    // Check whether fDisplay has previously been used (fCanvas),
+    // fDisplay is still open and the corresponding Canvas/Tab is
+    // still existing.
+    //
+    if (fDisplay && fDisplay->HasCanvas(fCanvas))
     {
         fCanvas->cd();