From 7bb6e5ba8dcd0babf8b030a41977018a3511629a Mon Sep 17 00:00:00 2001
From: "Pfeil, Scott Robert" <scott.pfeil3@verizonwireless.com>
Date: Thu, 1 Aug 2019 09:23:10 -0400
Subject: [PATCH] check before use

---
 MVMCoreUI/Molecules/MVMCoreUIPageControl.m | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/MVMCoreUI/Molecules/MVMCoreUIPageControl.m b/MVMCoreUI/Molecules/MVMCoreUIPageControl.m
index 16783ca9..6648b513 100644
--- a/MVMCoreUI/Molecules/MVMCoreUIPageControl.m
+++ b/MVMCoreUI/Molecules/MVMCoreUIPageControl.m
@@ -297,7 +297,9 @@ static CGFloat const IndicatorRectangleHeight = 4;
         if (selectedIndex != NSNotFound) {
             self.currentPage = selectedIndex;
             [self sendActionsForControlEvents:UIControlEventValueChanged];
-            self.pagingTouchBlock(self);
+            if (self.pagingTouchBlock) {
+                self.pagingTouchBlock(self);   
+            }
         }
     }
 }
@@ -351,7 +353,9 @@ static CGFloat const IndicatorRectangleHeight = 4;
     if ((index < self.numberOfPages && index >= 0) || self.alwaysSendingControlEvent) {
         [self setCurrentPage:index animated:NO];
         [self sendActionsForControlEvents:UIControlEventValueChanged];
-        self.pagingTouchBlock(self);
+        if (self.pagingTouchBlock) {
+            self.pagingTouchBlock(self);
+        }
     }
 }