Bug [#2260]. Fix bug with SCI_GETLASTCHILD when lParam is -1.

Fixed cast on SCI_FOLDCHILDREN to use correct type.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/Editor.h b/src/Editor.h
index 08e7d134b..9af2add43 100644
--- a/src/Editor.h
+++ b/src/Editor.h
@@ -624,6 +624,13 @@ protected:	// ScintillaBase subclass needs access to much of Editor
 		return static_cast<const char *>(PtrFromUPtr(wParam));
 	}
 
+	constexpr std::optional<FoldLevel> OptionalFoldLevel(Scintilla::sptr_t lParam) {
+		if (lParam >= 0) {
+			return static_cast<FoldLevel>(lParam);
+		}
+		return std::nullopt;
+	}
+
 	static Scintilla::sptr_t StringResult(Scintilla::sptr_t lParam, const char *val) noexcept;
 	static Scintilla::sptr_t BytesResult(Scintilla::sptr_t lParam, const unsigned char *val, size_t len) noexcept;