Убраны синхронные методы

Lattice.Core.DragDrop/Models/DragInfo.cs

@@ -122,6 +122,15 @@ public class DragInfo : IDisposable, ICloneable
     public DragInfo(object data, Enums.DragDropEffects allowedEffects, Point startPosition, object? source = null)
     {
         Data = data ?? throw new ArgumentNullException(nameof(data));
+
+        // Проверка допустимых значений перечисления
+        if (!Enum.IsDefined(typeof(Enums.DragDropEffects), allowedEffects))
+        {
+            throw new ArgumentException(
+                $"Недопустимое значение для {nameof(allowedEffects)}: {allowedEffects}",
+                nameof(allowedEffects));
+        }
+
         AllowedEffects = allowedEffects;
         StartPosition = startPosition;
         Source = source;
@@ -145,7 +154,10 @@ public class DragInfo : IDisposable, ICloneable
     {
         ThrowIfDisposed();
 
-        var clone = new DragInfo(Data, AllowedEffects, newPosition, Source);
+        var clone = new DragInfo(Data, AllowedEffects, newPosition, Source)
+        {
+            _disposed = false,
+        };
 
         foreach (var kvp in _parameters)
         {
@@ -209,6 +221,14 @@ public class DragInfo : IDisposable, ICloneable
     {
         if (_disposed) return;
 
+        foreach (var value in _parameters.Values)
+        {
+            if (value is IDisposable disposable)
+            {
+                disposable.Dispose();
+            }
+        }
+
         _parameters.Clear();
         _disposed = true;
         GC.SuppressFinalize(this);