添加对 Core 的直接引用

RhythmBaseCore/Events/BaseBeat.cs

@@ -0,0 +1,18 @@
+namespace RhythmBase.Events
+{
+	/// <summary>
+	/// Represents an abstract base class for beat actions in a rhythm-based application.
+	/// </summary>
+	public abstract class BaseBeat : BaseRowAction
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="BaseBeat"/> class and sets the Tab property to Rows.
+		/// </summary>
+		protected BaseBeat() { }
+
+		/// <summary>
+		/// Gets the tab associated with the beat action, which is always set to Rows.
+		/// </summary>
+		public override Tabs Tab { get; } = Tabs.Rows;
+	}
+}