From a4d232799e817613c26401a0b192b6b9dadbf74b Mon Sep 17 00:00:00 2001
From: Janik Zikovsky <zikovskyjl@ornl.gov>
Date: Mon, 23 Apr 2012 17:11:35 -0400
Subject: [PATCH] Refs #4244 comments added

---
 Code/Mantid/MantidQt/SliceViewer/src/LineViewer.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Code/Mantid/MantidQt/SliceViewer/src/LineViewer.cpp b/Code/Mantid/MantidQt/SliceViewer/src/LineViewer.cpp
index 8aa8131f225..6933ad2426f 100644
--- a/Code/Mantid/MantidQt/SliceViewer/src/LineViewer.cpp
+++ b/Code/Mantid/MantidQt/SliceViewer/src/LineViewer.cpp
@@ -256,6 +256,10 @@ void LineViewer::readTextboxes()
 
 //-----------------------------------------------------------------------------------------------
 /** Perform the 1D integration using the current parameters.
+ * Note that the algorithm is executed asynchronously (in the background),
+ * so this method may return before the integrated line
+ * workspace is ready.
+ *
  * @throw std::runtime_error if an error occurs.
  * */
 void LineViewer::apply()
-- 
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