//_____________________________________________________________________________
TGButton*
AliMUONPainterInterfaceHelper::FindButtonByUserData(const TGButtonGroup& bg,
- void* userData)
+ const void* userData)
{
/// Find a button by userData
//_____________________________________________________________________________
void
AliMUONPainterInterfaceHelper::RemoveButton(TGButtonGroup& bg,
- TGButton* button)
+ const TGButton* button)
{
/// Remove a button