Getting RTF from WebView

Aman Kumar
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CSharpRtfFromWebView.zip

Steps:

Create a blank windows store 8.1 app.
Add a WebView and RichEditBox in xaml of the page.
1. <WebView Height="500" x:Name="webView" Loaded="webView_Loaded" NavigationCompleted="webView_NavigationCompleted" Width="500" HorizontalAlignment="Left" />
2. <RichEditBox x:Name="richEditBox" Width="500" Height="500" HorizontalAlignment="Right" />
I have tried this for html string as it’s is easy to add script in html.
1. public static string GetHTML()
2. {
3. return "<html>" +
4. "<head>" +
5. "<script type='text/javascript'>" +
6. "function select_body() " +
7. "{" +
8. "var range = document.body.createTextRange(); " +
9. "range.select();" +
10. "}" +
11. "</script>" +
12. "<body>" +
13. "<h1>My First Heading</h1>" +
14. "<p>My first paragraph.</p>" +
15. "</body></head></html>";
16. }
Now navigate webview to the html string.
1. private void webView_Loaded(object sender, RoutedEventArgs e)
2. {
3. webView.NavigateToString(GetHTML());
4. }
When the webPage is navigated we can notify a script and get rtf from webview.
private async void webView_NavigationCompleted(WebView sender,
1. WebViewNavigationCompletedEventArgs args)
2. {
3. await webView.InvokeScriptAsync("select_body", null);
5. DataPackage p = await webView.CaptureSelectedContentToDataPackageAsync();
7. string rtf = await p.GetView().GetRtfAsync();
9. richEditBox.Document.SetText(Windows.UI.Text.TextSetOptions.FormatRtf, rtf);
10. }

webview

Getting RTF from WebView

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