回答編集履歴
2
a
test
CHANGED
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@@ -6,7 +6,7 @@
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6
6
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7
7
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8
8
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9
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-
[AddRange(TreeNode[])](https://docs.microsoft.com/ja-jp/dotnet/api/system.windows.forms.treenodecollection.addrange?view=netframework-4.7.2)
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9
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+
[AddRange(TreeNode[])](https://docs.microsoft.com/ja-jp/dotnet/api/system.windows.forms.treenodecollection.addrange?view=netframework-4.7.2)がありますので
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10
10
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11
11
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```csharp
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12
12
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1
あ
test
CHANGED
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@@ -10,7 +10,7 @@
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10
10
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11
11
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```csharp
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12
12
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13
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-
rootNode.Nodes.AddRange(memberFile.CheckedResult.Select(x => new TreeNode(x.ToString()));
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13
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+
rootNode.Nodes.AddRange(memberFile.CheckedResult.Select(x => new TreeNode(x.ToString()).ToArray());
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14
14
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15
15
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```
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16
16
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