回答編集履歴
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見直しキャンペーン中
answer
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@@ -1,79 +1,79 @@
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ちょうど微妙な時期なのですが、`WebView2`（いわゆる Chromium Edge）がそろそろ正式リリースされるはずです（まだプレビュー）
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既に`WebView`には`ObsoleteAttribute
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`WebView`・`WebView2`は互換性もなく非常に悩ましいです。
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`WebView2`を試す場合は下記の上で、`Microsoft.Web.WebView2`を`0.9.538-prerelease`にダウングレードしてください（理由は不明だがそうしないと手順通りにできない）
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[Microsoft Edge WebView 2 Windows フォームアプリ - Microsoft Edge Development | Microsoft Docs](https://docs.microsoft.com/ja-jp/microsoft-edge/webview2/gettingstarted/winforms)
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使用例
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```
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using System;
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using System.Diagnostics;
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using System.Windows.Forms;
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using Microsoft.Toolkit.Forms.UI.Controls;
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using Microsoft.Toolkit.Win32.UI.Controls.Interop.WinRT;
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using Microsoft.Web.WebView2.Core;
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using Microsoft.Web.WebView2.WinForms;
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namespace Questions274706
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{
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public partial class Form1 : Form
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{
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private readonly WebView webView; // Warning CS0618 Obsolete付けるのはまだ早い気がするが^^;
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private readonly WebView2 webView2;
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public Form1()
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{
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InitializeComponent();
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var panel = new TableLayoutPanel
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{
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ColumnCount = 2,
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RowCount = 1,
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Dock = DockStyle.Fill,
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};
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panel.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 50F));
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panel.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 50F));
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Controls.Add(panel);
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webView = new WebView
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{
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Source = new Uri("https://teratail.com/questions/274706"),
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Dock = DockStyle.Fill,
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};
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webView.NavigationCompleted += WebView_NavigationCompleted;
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panel.Controls.Add(webView, 0, 0);
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webView2 = new WebView2
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{
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Source = new Uri("https://teratail.com/questions/274706"),
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Dock = DockStyle.Fill,
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};
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webView2.NavigationCompleted += WebView2_NavigationCompleted;
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panel.Controls.Add(webView2, 1, 0);
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}
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private void WebView_NavigationCompleted(object sender, WebViewControlNavigationCompletedEventArgs e)
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{
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// InvokeScriptAsyncもある
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var result = webView.InvokeScript("eval", new string[] { "document.getElementById('l-mainContents').innerText" });
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Debug.WriteLine(result);
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var t = "定形郵便";
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webView.InvokeScript("eval", new string[] { $"document.getElementById('boxSearch-query').setAttribute('value','{t}');" });
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}
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private async void WebView2_NavigationCompleted(object sender, CoreWebView2NavigationCompletedEventArgs e)
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{
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// ExecuteScriptはない
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var result = await webView2.ExecuteScriptAsync("document.getElementById('l-mainContents').innerText");
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Debug.WriteLine(result);
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var t = "定形郵便";
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await webView2.ExecuteScriptAsync($"document.getElementById('boxSearch-query').setAttribute('value','{t}');");
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}
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}
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}
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1
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+
ちょうど微妙な時期なのですが、`WebView2`（いわゆる Chromium Edge）がそろそろ正式リリースされるはずです（まだプレビュー）
|
|
2
|
+
既に`WebView`には`ObsoleteAttribute`が付いており、あまり使わせたくないのかもしれません^^;
|
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3
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+
`WebView`・`WebView2`は互換性もなく非常に悩ましいです。
|
|
4
|
+
|
|
5
|
+
|
|
6
|
+
`WebView2`を試す場合は下記の上で、`Microsoft.Web.WebView2`を`0.9.538-prerelease`にダウングレードしてください（理由は不明だがそうしないと手順通りにできない）
|
|
7
|
+
[Microsoft Edge WebView 2 Windows フォームアプリ - Microsoft Edge Development | Microsoft Docs](https://docs.microsoft.com/ja-jp/microsoft-edge/webview2/gettingstarted/winforms)
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8
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+
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9
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+
使用例
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10
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+
```cs
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11
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+
using System;
|
|
12
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+
using System.Diagnostics;
|
|
13
|
+
using System.Windows.Forms;
|
|
14
|
+
using Microsoft.Toolkit.Forms.UI.Controls;
|
|
15
|
+
using Microsoft.Toolkit.Win32.UI.Controls.Interop.WinRT;
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16
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+
using Microsoft.Web.WebView2.Core;
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17
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using Microsoft.Web.WebView2.WinForms;
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18
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+
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19
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namespace Questions274706
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|
20
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+
{
|
|
21
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+
public partial class Form1 : Form
|
|
22
|
+
{
|
|
23
|
+
private readonly WebView webView; // Warning CS0618 Obsolete付けるのはまだ早い気がするが^^;
|
|
24
|
+
private readonly WebView2 webView2;
|
|
25
|
+
|
|
26
|
+
public Form1()
|
|
27
|
+
{
|
|
28
|
+
InitializeComponent();
|
|
29
|
+
|
|
30
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+
var panel = new TableLayoutPanel
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31
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+
{
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32
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+
ColumnCount = 2,
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33
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+
RowCount = 1,
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34
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+
Dock = DockStyle.Fill,
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35
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};
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36
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panel.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 50F));
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37
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panel.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 50F));
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38
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Controls.Add(panel);
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39
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+
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40
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webView = new WebView
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41
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{
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42
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Source = new Uri("https://teratail.com/questions/274706"),
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43
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Dock = DockStyle.Fill,
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44
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};
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45
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webView.NavigationCompleted += WebView_NavigationCompleted;
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46
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panel.Controls.Add(webView, 0, 0);
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47
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+
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48
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+
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49
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webView2 = new WebView2
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50
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{
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51
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Source = new Uri("https://teratail.com/questions/274706"),
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52
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Dock = DockStyle.Fill,
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53
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};
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54
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webView2.NavigationCompleted += WebView2_NavigationCompleted;
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55
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panel.Controls.Add(webView2, 1, 0);
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56
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}
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57
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+
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58
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+
private void WebView_NavigationCompleted(object sender, WebViewControlNavigationCompletedEventArgs e)
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59
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+
{
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60
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+
// InvokeScriptAsyncもある
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61
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+
var result = webView.InvokeScript("eval", new string[] { "document.getElementById('l-mainContents').innerText" });
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62
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+
Debug.WriteLine(result);
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63
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+
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64
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+
var t = "定形郵便";
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65
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+
webView.InvokeScript("eval", new string[] { $"document.getElementById('boxSearch-query').setAttribute('value','{t}');" });
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66
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}
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67
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+
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68
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private async void WebView2_NavigationCompleted(object sender, CoreWebView2NavigationCompletedEventArgs e)
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69
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+
{
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70
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+
// ExecuteScriptはない
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71
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+
var result = await webView2.ExecuteScriptAsync("document.getElementById('l-mainContents').innerText");
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72
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+
Debug.WriteLine(result);
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73
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+
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74
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+
var t = "定形郵便";
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75
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await webView2.ExecuteScriptAsync($"document.getElementById('boxSearch-query').setAttribute('value','{t}');");
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76
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+
}
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77
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+
}
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78
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}
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|
79
79
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```
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