sh*t

Core/TASFile.cs

@@ -38,15 +38,26 @@ namespace BallanceTASEditor.Core {
             }
         }
 
-        public int Get(ObservableCollection<FrameDataDisplay> container, long startIndex, int count) {
-            if (mPointer == null) return 0;
+        public void Get(List<FrameDataDisplay> container, long startIndex, int count) {
+            // no item. clean container
+            if (mPointer == null) {
+                for(int j = 0; j < count; j++) {
+                    container[j].isEnable = false;
+                }
+                return;
+            }
+
+            // fill container
             var cachePointer = mPointer;
             int i;
             for(i = 0; i < count && cachePointer != null; i++, startIndex++) {
                 container[i].Reload(startIndex, cachePointer.Value);
+                container[i].isEnable = true;
                 cachePointer = cachePointer.Next;
             }
-            return i;
+            for(; i < count; i++) {
+                container[i].isEnable = false;
+            }
         }
 
         public void Set(FrameDataField field, long prevRange, long nextRange, bool isSet) {

Core/TASStruct.cs

@@ -8,6 +8,7 @@ using System.Text;
 namespace BallanceTASEditor.Core.TASStruct {
     public class FrameDataDisplay : INotifyPropertyChanged {
         public FrameDataDisplay(long index, FrameData fd) {
+            isEnable = true;
             Reload(index, fd);
         }
 
@@ -26,6 +27,7 @@ namespace BallanceTASEditor.Core.TASStruct {
             this.keystates = fd.keystates;
         }
 
+        public bool isEnable { get; set; }
         public long index { get; set; }
         public float deltaTime { get; set; }
         public UInt32 keystates {