From 1a3dc3fae6eba439a40c3358a927b2d8db2f0233 Mon Sep 17 00:00:00 2001
From: Artur Wieczorek <artwik@wp.pl>
Date: Sun, 12 Apr 2020 17:26:26 +0200
Subject: [PATCH] Avoid using negative button height

---
 src/propgrid/editors.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/propgrid/editors.cpp b/src/propgrid/editors.cpp
index fc1d9cc6d7..fa88b88732 100644
--- a/src/propgrid/editors.cpp
+++ b/src/propgrid/editors.cpp
@@ -2193,7 +2193,7 @@ void wxPGMultiButton::Add( const wxBitmap& bitmap, int itemid )
             0;
 #endif
     // Maximal heigth of the bitmap
-    const int hMax = sz.y - margins;
+    const int hMax = wxMax(4, sz.y - margins);
 
     wxBitmap scaledBmp;
     // Scale bitmap down if necessary