添加对 Core 的直接引用

RhythmBaseCore/Events/IDurationEvent.cs

@@ -0,0 +1,14 @@
+namespace RhythmBase.Events
+{
+	/// <summary>  
+	/// Interface representing a duration event.  
+	/// </summary>  
+	public interface IDurationEvent
+	{
+
+		/// <summary>  
+		/// Gets or sets the duration of the ease event.  
+		/// </summary>  
+		float Duration { get; }
+	}
+}