@@ -51,7 +51,7 @@ public virtual async Task ToggleNodeAsync(TNode node, Func<TNode, Task<IEnumerab
5151 ExpandedNodeCache . Add ( node . Value ) ;
5252
5353 // 收缩节点缓存移除此节点
54- CollapsedNodeCache . RemoveWhere ( x => EqualityComparer . Equals ( x , node . Value ) ) ;
54+ CollapsedNodeCache . Remove ( node . Value ) ;
5555
5656 // 无子项时通过回调方法延时加载
5757 if ( node . HasChildren && ! node . Items . Any ( ) )
@@ -67,7 +67,7 @@ public virtual async Task ToggleNodeAsync(TNode node, Func<TNode, Task<IEnumerab
6767 else
6868 {
6969 // 展开节点缓存移除此节点
70- ExpandedNodeCache . RemoveWhere ( x => EqualityComparer . Equals ( x , node . Value ) ) ;
70+ ExpandedNodeCache . Remove ( node . Value ) ;
7171
7272 // 收缩节点缓存添加此节点
7373 CollapsedNodeCache . Add ( node . Value ) ;
@@ -85,7 +85,7 @@ public async Task CheckExpandAsync(TNode node, Func<TNode, Task<IEnumerable<IExp
8585 if ( node . IsExpand )
8686 {
8787 // 已收缩
88- if ( CollapsedNodeCache . Contains ( node . Value , EqualityComparer ) )
88+ if ( CollapsedNodeCache . Contains ( node . Value ) )
8989 {
9090 node . IsExpand = false ;
9191 }
@@ -96,7 +96,7 @@ public async Task CheckExpandAsync(TNode node, Func<TNode, Task<IEnumerable<IExp
9696 else
9797 {
9898 var needRemove = true ;
99- if ( ExpandedNodeCache . Contains ( node . Value , EqualityComparer ) )
99+ if ( ExpandedNodeCache . Contains ( node . Value ) )
100100 {
101101 // 原来是展开状态,
102102 if ( node . HasChildren || node . Items . Any ( ) )
@@ -117,7 +117,7 @@ public async Task CheckExpandAsync(TNode node, Func<TNode, Task<IEnumerable<IExp
117117 }
118118 if ( needRemove )
119119 {
120- ExpandedNodeCache . RemoveWhere ( x => EqualityComparer . Equals ( x , node . Value ) ) ;
120+ ExpandedNodeCache . Remove ( node . Value ) ;
121121 }
122122 }
123123 }
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