优化代码
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@@ -1,7 +1,6 @@
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using Ink_Canvas.Helpers;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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@@ -236,8 +235,8 @@ namespace Ink_Canvas
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var elementsToProcess = new List<UIElement>();
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foreach (var item in TimeMachineHistories[0])
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{
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if (item.CommitType == TimeMachineHistoryType.ElementInsert &&
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!item.StrokeHasBeenCleared &&
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if (item.CommitType == TimeMachineHistoryType.ElementInsert &&
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!item.StrokeHasBeenCleared &&
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item.InsertedElement != null &&
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!removed0.Contains(item.InsertedElement))
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{
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@@ -255,8 +254,8 @@ namespace Ink_Canvas
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var elementsToProcess = new List<UIElement>();
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foreach (var item in TimeMachineHistories[CurrentWhiteboardIndex])
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{
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if (item.CommitType == TimeMachineHistoryType.ElementInsert &&
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!item.StrokeHasBeenCleared &&
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if (item.CommitType == TimeMachineHistoryType.ElementInsert &&
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!item.StrokeHasBeenCleared &&
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item.InsertedElement != null &&
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!removed.Contains(item.InsertedElement))
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{
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