添加对 Core 的直接引用

RhythmBaseCore/Adofai/Events/ADSetHoldSound.cs

@@ -0,0 +1,29 @@
+using System;
+namespace RhythmBase.Adofai.Events
+{
+	public class ADSetHoldSound : ADBaseTileEvent
+	{
+		public ADSetHoldSound()
+		{
+			Type = ADEventType.SetHoldSound;
+		}
+
+		public override ADEventType Type { get; }
+
+		public string HoldStartSound { get; set; }
+
+		public string HoldLoopSound { get; set; }
+
+		public string HoldEndSound { get; set; }
+
+		public string HoldMidSound { get; set; }
+
+		public string HoldMidSoundType { get; set; }
+
+		public float HoldMidSoundDelay { get; set; }
+
+		public string HoldMidSoundTimingRelativeTo { get; set; }
+
+		public int HoldSoundVolume { get; set; }
+	}
+}