Multi ExcludeConfigForFile

diff --git a/LiteEditor/fileview.cpp b/LiteEditor/fileview.cpp
index 2e8dac4..c10d2c5 100644
--- a/LiteEditor/fileview.cpp
+++ b/LiteEditor/fileview.cpp
@@ -2237,47 +2237,53 @@ void FileViewTree::OnCleanProjectOnlyInternal(wxCommandEvent& e)

 void FileViewTree::OnExcludeFromBuild(wxCommandEvent& e)
 {
-    wxUnusedVar( e );
-    wxTreeItemId item = GetSingleSelection();
-    if ( item.IsOk() ) {
-        FilewViewTreeItemData *data = static_cast<FilewViewTreeItemData*>( GetItemData( item ) );
-        if (data->GetData().GetKind() == ProjectItem::TypeFile) {
-            Manager *mgr = ManagerST::Get();
-            wxTreeItemId parent = GetItemParent( item );
-            if ( parent.IsOk() ) {
-                wxString path = GetItemPath( parent );
-                wxString proj = path.BeforeFirst(wxT(':'));
-                ProjectPtr p = mgr->GetProject(proj);
-                if ( p ) {
-                    wxString vdPath   = path.AfterFirst(':');
-                    wxString filename = data->GetData().GetFile();
-
-                    BuildConfigPtr buildConf = WorkspaceST::Get()->GetProjBuildConf(proj, "");
-                    if ( !buildConf ) {
-                        return;
-                    }
-
-                    wxString current_build_config = buildConf->GetName();
-
-                    wxArrayString configs = p->GetExcludeConfigForFile( filename, vdPath );
-
-                    if ( e.IsChecked() ) {
-                        configs.Add( current_build_config );
-                        //SetItemTextColour(item, wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
-
-                    } else {
-                        int where = configs.Index(current_build_config);
-                        if ( where != wxNOT_FOUND ) {
-                            configs.RemoveAt(where);
-                        }
-
-                        //SetItemTextColour(item, DrawingUtils::GetOutputPaneFgColour() );
-                    }
-                    p->SetExcludeConfigForFile( filename, vdPath, configs);
-                }
-            }
-        }
-    }
+   wxUnusedVar( e );
+
+   wxArrayTreeItemIds selections;
+   size_t count = GetSelections(selections);
+   for( int selectionIndex=0; selectionIndex<count; selectionIndex++)
+   {
+       wxTreeItemId item = selections[selectionIndex];
+       if ( item.IsOk() ) {
+           FilewViewTreeItemData *data = static_cast<FilewViewTreeItemData*>( GetItemData( item ) );
+           if (data->GetData().GetKind() == ProjectItem::TypeFile) {
+               Manager *mgr = ManagerST::Get();
+               wxTreeItemId parent = GetItemParent( item );
+               if ( parent.IsOk() ) {
+                   wxString path = GetItemPath( parent );
+                   wxString proj = path.BeforeFirst(wxT(':'));
+                   ProjectPtr p = mgr->GetProject(proj);
+                   if ( p ) {
+                       wxString vdPath   = path.AfterFirst(':');
+                       wxString filename = data->GetData().GetFile();
+
+                       BuildConfigPtr buildConf = WorkspaceST::Get()->GetProjBuildConf(proj, "");
+                       if ( !buildConf ) {
+                           return;
+                       }
+
+                       wxString current_build_config = buildConf->GetName();
+
+                       wxArrayString configs = p->GetExcludeConfigForFile( filename, vdPath );
+
+                       if ( e.IsChecked() ) {
+                           configs.Add( current_build_config );
+                           //SetItemTextColour(item, wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
+
+                       } else {
+                           int where = configs.Index(current_build_config);
+                           if ( where != wxNOT_FOUND ) {
+                               configs.RemoveAt(where);
+                           }
+
+                           //SetItemTextColour(item, DrawingUtils::GetOutputPaneFgColour() );
+                       }
+                       p->SetExcludeConfigForFile( filename, vdPath, configs);
+                   }
+               }
+           }
+       }
+   }
 }

 void FileViewTree::OnExcludeFromBuildUI(wxUpdateUIEvent& event)