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Opening the Internet Browser Programmatically

, 17 Aug 2011 CPOL
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If I remember correctly, then I had some issues with the above method some years ago. It would not always work on some systems.I personally use the following method to get the EXE path to the system's default browser:public static string GetDefaultBrowser(){ string browser =...
If I remember correctly, then I had some issues with the above method some years ago. It would not always work on some systems.
 
I personally use the following method to get the EXE path to the system's default browser:
 
public static string GetDefaultBrowser()
{
    string browser = string.Empty;
    Microsoft.Win32.RegistryKey key = null;
    try
    {
	object obj = null;
	key = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(@"HTTP\shell\open\command", false);
	if (key != null)
	{
	    obj = key.GetValue(null);
	    if (obj != null)
	    {
		browser = Convert.ToString(obj);
	    }
	}
 
	if(string.IsNullOrEmpty(browser))
	{
	    key = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Classes\Applications\iexplore.exe\shell\open\command", false);
 
	    obj = key.GetValue(null);
	    if (obj != null)
	    {
		browser = Convert.ToString(obj);
	    }
	}
 
	if (!string.IsNullOrEmpty(browser))
	{
	    //trim off quotes
	    browser = key.GetValue(null).ToString().ToLower().Replace("\"", "");
	    if (!browser.EndsWith("exe"))
	    {
		//get rid of everything after the ".exe"
		browser = browser.Substring(0, browser.LastIndexOf(".exe") + 4);
	    }
 
	    //Enable quotes again
	    browser = '"' + browser + '"';
 
	    return browser;
	}
    }
    catch
    {
	//noop
    }
    finally
    {
	if (key != null) key.Close();
    }
 
    return string.Empty;
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Michael B. Hansen
Systems Engineer SPAMfighter
Denmark Denmark
I have a MCPD .NET 3.5 EAD and a Bsc in computer science, organizational theory and economics, and work as lead developer on SPAMfighter Exchange Module and SPAMfighter Mail Gateway in SPAMfighter, Europe's leading Anti Spam Filter developer.

Comments and Discussions

 
GeneralIt is a good way for c#. My way is for beginners :) PinmemberCaner Korkmaz18-Aug-11 22:17 
GeneralGood point. I don't normally bother with this that much, as ... PinmemberMichael B. Hansen18-Aug-11 0:08 
GeneralThis approach would require you to have permissions to read ... PinmemberReiss17-Aug-11 23:44 

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