set or unset column image on column click

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35340 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/samples/listctrl/listtest.cpp b/samples/listctrl/listtest.cpp
index adf5a082ec79291e1d54a99fb8417ff7c7364d9d..dd01efe4f8e2e373e5ad5061a4fb71c9a3e0f029 100644 (file)
--- a/samples/listctrl/listtest.cpp
+++ b/samples/listctrl/listtest.cpp
@@ -722,7 +722,11 @@ void MyListCtrl::SetColumnImage(int col, int image)
 void MyListCtrl::OnColClick(wxListEvent& event)
 {
     int col = event.GetColumn();
-    SetColumnImage(col, 0);
+
+    // set or unset image
+    static x = false;
+    x = !x;
+    SetColumnImage(col, x ? 0 : -1);
 
     wxLogMessage( wxT("OnColumnClick at %d."), col );
 }