'-' and '+' icons were reversed

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22158 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/generic/renderg.cpp b/src/generic/renderg.cpp
index 709f98b45cc29a96ff2ab3aa6dd2fad7b3d655ff..08ecf8fba384542ac4f0b88b88b561cffff6c2b3 100644 (file)
--- a/src/generic/renderg.cpp
+++ b/src/generic/renderg.cpp
@@ -136,7 +136,7 @@ wxRendererGeneric::DrawTreeItemButton(wxWindow *win,
 
     dc.SetPen(*wxBLACK_PEN);
     dc.DrawLine(xMiddle - 2, yMiddle, xMiddle + 3, yMiddle);
-    if ( flags & wxCONTROL_EXPANDED )
+    if ( !(flags & wxCONTROL_EXPANDED) )
     {
         // turn "-" into "+"
         dc.DrawLine(xMiddle, yMiddle - 2, xMiddle, yMiddle + 3);