How to Open Links in the Default Browser from a C# Application?

Opening URLs in Your Default Browser from C# Applications

When embedding a web browser control in a C# application, links may unexpectedly open in Internet Explorer, even if Google Chrome (or another browser) is your default. This is because the built-in WebBrowser control essentially mimics Internet Explorer's behavior.

Here's how to ensure links open in your system's default browser:

Method 1: Handling the Navigating Event

Intercept the Navigating event of your web browser control:

<code class="language-csharp">private void webBrowser1_Navigating(object sender, WebBrowserNavigatingEventArgs e)
{
    System.Diagnostics.Process.Start(e.Url.ToString());
    e.Cancel = true;
}</code>

This code uses System.Diagnostics.Process.Start() to launch the URL in the default browser when a link is clicked. e.Cancel = true; prevents the link from opening within the WebBrowser control itself.

Method 2: Directly Opening the URL

Alternatively, you can directly open a URL in the default browser:

<code class="language-csharp">System.Diagnostics.Process.Start("http://google.com");</code>

This approach uses System.Diagnostics.Process.Start() to launch the specified URL without needing event handling.

Summary:

By using either the Navigating event handler or the direct System.Diagnostics.Process.Start() method, you can reliably open links in your default browser from within your C# application, bypassing the limitations of the embedded WebBrowser control.

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