优化代码
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@@ -238,9 +238,8 @@ namespace Ink_Canvas
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RefreshBlackBoardSidePageListView();
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AnimationsHelper.ShowWithSlideFromBottomAndFade(BoardBorderLeftPageListView);
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await Task.Delay(1);
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var leftContainer = BlackBoardLeftSidePageListView.ItemContainerGenerator.ContainerFromIndex(
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CurrentWhiteboardIndex - 1) as ListViewItem;
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if (leftContainer != null)
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if (BlackBoardLeftSidePageListView.ItemContainerGenerator.ContainerFromIndex(
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CurrentWhiteboardIndex - 1) is ListViewItem leftContainer)
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{
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ScrollViewToVerticalTop(leftContainer, BlackBoardLeftSidePageListScrollViewer);
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}
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@@ -258,9 +257,8 @@ namespace Ink_Canvas
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RefreshBlackBoardSidePageListView();
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AnimationsHelper.ShowWithSlideFromBottomAndFade(BoardBorderRightPageListView);
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await Task.Delay(1);
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var rightContainer = BlackBoardRightSidePageListView.ItemContainerGenerator.ContainerFromIndex(
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CurrentWhiteboardIndex - 1) as ListViewItem;
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if (rightContainer != null)
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if (BlackBoardRightSidePageListView.ItemContainerGenerator.ContainerFromIndex(
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CurrentWhiteboardIndex - 1) is ListViewItem rightContainer)
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{
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ScrollViewToVerticalTop(rightContainer, BlackBoardRightSidePageListScrollViewer);
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}
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