suppress unused parameter warning

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58965 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp
index bbecc508846f6997575f7a28f1a4901ade4f5a73..2208e1e54a74b7b824991fb05e211f3482ea4189 100644 (file)
--- a/src/msw/graphics.cpp
+++ b/src/msw/graphics.cpp
@@ -1232,7 +1232,7 @@ bool wxGDIPlusContext::SetCompositionMode(wxCompositionMode op)
     return true;
 }
 
-void wxGDIPlusContext::BeginLayer(wxDouble opacity)
+void wxGDIPlusContext::BeginLayer(wxDouble /* opacity */)
 {
     // TODO
 }