@los-amigos
looks like it is hard coded.
	case WM_CONTEXTMENU :
	{
		if (HWND(wParam) == _scintView.getHSelf())
		{
			POINT p;
			::GetCursorPos(&p);
			ContextMenu scintillaContextmenu;
			vector<MenuItemUnit> tmp;
			tmp.push_back(MenuItemUnit(NPPM_INTERNAL_FINDINFINDERDLG, TEXT("Find in this finder...")));
			if (_canBeVolatiled)
				tmp.push_back(MenuItemUnit(NPPM_INTERNAL_REMOVEFINDER, TEXT("Close this finder")));
			tmp.push_back(MenuItemUnit(0, TEXT("Separator")));
			tmp.push_back(MenuItemUnit(NPPM_INTERNAL_SCINTILLAFINFERCOLLAPSE, TEXT("Collapse all")));
			tmp.push_back(MenuItemUnit(NPPM_INTERNAL_SCINTILLAFINFERUNCOLLAPSE, TEXT("Uncollapse all")));
			tmp.push_back(MenuItemUnit(0, TEXT("Separator")));
			tmp.push_back(MenuItemUnit(NPPM_INTERNAL_SCINTILLAFINFERCOPY, TEXT("Copy")));
			tmp.push_back(MenuItemUnit(NPPM_INTERNAL_SCINTILLAFINFERSELECTALL, TEXT("Select all")));
			tmp.push_back(MenuItemUnit(NPPM_INTERNAL_SCINTILLAFINFERCLEARALL, TEXT("Clear all")));
			tmp.push_back(MenuItemUnit(0, TEXT("Separator")));
			tmp.push_back(MenuItemUnit(NPPM_INTERNAL_SCINTILLAFINFEROPENALL, TEXT("Open all")));
			scintillaContextmenu.create(_hSelf, tmp);
			scintillaContextmenu.display(p);
			return TRUE;
		}
		return ::DefWindowProc(_hSelf, message, wParam, lParam);
	}
Maybe you wanna open an issue here if it hasn’t been already addressed.
Cheers
Claudia
Cheers
Claudia