From 228a41a7eeff9fbb8a78654940e734316f8a69fe Mon Sep 17 00:00:00 2001
From: brianlagunas_cp <SND\brianlagunas_cp>
Date: Wed, 8 Jun 2011 14:19:15 +0000
Subject: [PATCH] DateTimeParser: fixed exception when Format is null

---
 .../DateTimeUpDown/Implementation/DateTimeParser.cs             | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Main/Source/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/DateTimeUpDown/Implementation/DateTimeParser.cs b/Main/Source/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/DateTimeUpDown/Implementation/DateTimeParser.cs
index 8702d5fb..a0d00f22 100644
--- a/Main/Source/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/DateTimeUpDown/Implementation/DateTimeParser.cs
+++ b/Main/Source/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/DateTimeUpDown/Implementation/DateTimeParser.cs
@@ -39,7 +39,7 @@ namespace Microsoft.Windows.Controls
             bool success = false;
             result = currentDate;
 
-            if (string.IsNullOrEmpty(value))
+            if (string.IsNullOrEmpty(value) || string.IsNullOrEmpty(Format))
                 return false;
 
             var dateTimeString = ResolveDateTimeString(value, currentDate);