From 88026574906abec43f78027ed4abd720c7243c3b Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 11 Mar 2020 01:58:37 +0100
Subject: [PATCH] Add wxGrid::IsUsingNativeHeader()

It is convenient to have this function if only in order to be able to
call GetGridColHeader() safely, i.e. without triggering an assert if
native header is not being used.
---
 include/wx/generic/grid.h | 3 +++
 interface/wx/grid.h       | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/include/wx/generic/grid.h b/include/wx/generic/grid.h
index 345bf6adcb..7ea0c4d938 100644
--- a/include/wx/generic/grid.h
+++ b/include/wx/generic/grid.h
@@ -1837,6 +1837,9 @@ public:
     wxWindow* GetGridColLabelWindow() const    { return m_colLabelWin; }
     wxWindow* GetGridCornerLabelWindow() const { return (wxWindow*)m_cornerLabelWin; }
 
+    // Return true if native header is used by the grid.
+    bool IsUsingNativeHeader() const { return m_useNativeHeader; }
+
     // This one can only be called if we are using the native header window
     wxHeaderCtrl *GetGridColHeader() const
     {
diff --git a/interface/wx/grid.h b/interface/wx/grid.h
index 3030c3da86..78df3091df 100644
--- a/interface/wx/grid.h
+++ b/interface/wx/grid.h
@@ -5373,9 +5373,18 @@ public:
 
         This function can only be called if UseNativeColHeader() had been
         called.
+
+        @see IsUsingNativeHeader()
      */
     wxHeaderCtrl *GetGridColHeader() const;
 
+    /**
+        Return true if native header control is currently being used.
+
+        @since 3.1.4
+     */
+    bool IsUsingNativeHeader() const;
+
     //@}