What is the best way to activate JavaScript once a Silverlight applet has finished loading?

Currently, I am immersed in a project that requires extensive interaction between JavaScript and managed code. Specifically, my JS application must seamlessly communicate with the Silverlight application on the webpage from the get-go. This necessitates the Silverlight app to fully load before the execution of the JS code.

However, I frequently encounter errors indicating that the object cannot be found because the Silverlight app has not finished loading yet. Therefore, I am seeking a method to pause the JS application until the Silverlight loads completely and then resumes execution?

javascriptsilverlightdom-events

Answer №1

To begin, ensure you have an event handler added to the Loaded event of your application. From this event handler, you can easily trigger a JavaScript function like so:

using System.Windows.Browser;

namespace SilverlightApp5
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
            this.Loaded += new RoutedEventHandler(MainPage_Loaded);
        }
    
        void MainPage_Loaded(object sender, RoutedEventArgs e)
        {
            HtmlPage.Window.CreateInstance("AnotherFunction", new string[] { "arg1", "arg2" });
        }
    }
}

}

Remember, the use of the System.Windows.Browser namespace is essential for incorporating HtmlPage functionality.

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