From 9293634af148aea2cb6dfb11bd981b95f204d07e Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Mon, 30 Jul 2018 21:48:48 +0200
Subject: [PATCH] Avoid assertion failure when typing into generic
 wxDatePickerCtrl

Don't call wxCalendarCtrl::SetDate() if the current date is invalid,
this would just result in an assertion failure.
---
 src/generic/datectlg.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/generic/datectlg.cpp b/src/generic/datectlg.cpp
index d5abccfd3a..f2a13d143a 100644
--- a/src/generic/datectlg.cpp
+++ b/src/generic/datectlg.cpp
@@ -192,7 +192,8 @@ private:
         if ( (dt.IsValid() && (!dtOld.IsValid() || dt != dtOld)) ||
                 (!dt.IsValid() && dtOld.IsValid()) )
         {
-            SetDate(dt);
+            if ( dt.IsValid() )
+                SetDate(dt);
             SendDateEvent(dt);
         }
     }