代码优化

2026-04-05 18:52:19 +08:00
parent bad05f77b5
commit ebbe018bae
11 changed files with 147 additions and 92 deletions
@@ -100,8 +100,8 @@ namespace Ink_Canvas.Helpers
            var item = _currentStrokeHistory[_currentIndex];
            item.StrokeHasBeenCleared = !item.StrokeHasBeenCleared;
            _currentIndex--;
-            OnUndoStateChanged?.Invoke(_currentIndex > -1);
-            OnRedoStateChanged?.Invoke(_currentStrokeHistory.Count - _currentIndex - 1 > 0);
+            OnUndoStateChanged?.Invoke(CanUndo);
+            OnRedoStateChanged?.Invoke(CanRedo);
            return item;
        }

@@ -137,8 +137,8 @@ namespace Ink_Canvas.Helpers
        }
        private void NotifyUndoRedoState()
        {
-            OnUndoStateChanged?.Invoke(_currentIndex > -1);
-            OnRedoStateChanged?.Invoke(_currentStrokeHistory.Count - _currentIndex - 1 > 0);
+            OnUndoStateChanged?.Invoke(CanUndo);
+            OnRedoStateChanged?.Invoke(CanRedo);
        }

        /// <summary>当前历史是否允许撤销。</summary>