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Essential Objects Product Support Forum » All Products » Support » webbrowser control webview slow to load. Preload possible

webbrowser control webview slow to load. Preload possible Options
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darren
Posted: Tuesday, April 14, 2015 4:35:30 AM
Rank: Newbie
Groups: Member

Joined: 3/23/2015
Posts: 8
Hi
I have just purchased the EO.WebBrowser for use in C#, .NET, VS2013, WinForm project.

The main reason was that the support for correctly dispaying websites and HTML5 in particular seemed better than the standard WinForm webBrowser.

My application is a HMI with a big tab control to switch between pages/views.

The EO WebBrowser is very slow compared to the standard (free!) winform webbrowser. WinForm browser is up instantly as soon as I open a tab with the control whereas the EO control takes about 3 second to load. This is just a one EO webcontrol, one EO webview and I have specified a cache for it.

Since the performance is so poor I hope there is a way to preload websites as soon as the app starts?

Otherwise this control is not usable for us - 3 second delay for a control system component will no pass quality controls or customers expectation.

I very much hope there is some way around this as otherwise the control seems great and being embedded in a single dll means our system is not dependant on the browser installed on the client OS.

Best regards
Darren
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eo_support
Posted: Tuesday, April 14, 2015 3:01:49 PM
Rank: Administration
Groups: Administration

Joined: 5/27/2007
Posts: 24,196
Hi Darren,

You can try the multi-DLL builds and see if it works better for you:

http://www.essentialobjects.com/doc/6/install/multi_dll_build.aspx

If that still does not help, you can pre-load the browser engine by creating a hidden WebView through the ThreadRunner class. It will be something like this:

Code: C# 
ThreadRunner threadRunner = new ThreadRunner();
WebView webView = threadRunner.CreateWebView();

This will initialize the browser engine.

Please remember to destroy the above WebView when your application close down:

Code: C# 
webView.Destroy();

Otherwise this additional WebView may prevent your application from closing down properly.

Hope this helps. Please feel free to let us know if you still have any questions.

Thanks!
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