private void OnPostScriptClick(object sender, RoutedEventArgs e) { var script1 = "var canvas = document.getElementById(\"ImageCanvas1\");" + "var ctx = canvas.getContext(\"2d\");" + "var img = document.getElementById(\"source1\");" + "ctx.drawImage(img, 0, 0);"; var script2 = "var canvas = document.getElementById(\"ImageCanvas2\");" + "var ctx = canvas.getContext(\"2d\");" + "var img = document.getElementById(\"source2\");" + "ctx.drawImage(img, 0, 0);"; myWebView2BrowserWrapper1.PostScript(script1); myWebView2BrowserWrapper1.PostScript(script2); }