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POHowTo Disable WebBrowser 'Click Sound' in your app only
 

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  1. POHowTo Disable WebBrowser 'Click Sound' in your app only
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    <p>The 'click sound' in question is actually a system wide preference, so I only want it to be disabled when my application has focus and then re-enable when the application closes/loses focus.</p> <p>Originally, I wanted to ask this question here on stackoverflow, but I was not yet in the beta. So, after googling for the answer and finding only a little bit of information on it I came up with the following and decided to post it here now that I'm in the beta.</p> <pre><code>using System; using Microsoft.Win32; namespace HowTo { class WebClickSound { /// &lt;summary&gt; /// Enables or disables the web browser navigating click sound. /// &lt;/summary&gt; public static bool Enabled { get { RegistryKey key = Registry.CurrentUser.OpenSubKey(@"AppEvents\Schemes\Apps\Explorer\Navigating\.Current"); string keyValue = (string)key.GetValue(null); return String.IsNullOrEmpty(keyValue) == false &amp;&amp; keyValue != "\"\""; } set { string keyValue; if (value) { keyValue = "%SystemRoot%\\Media\\"; if (Environment.OSVersion.Version.Major == 5 &amp;&amp; Environment.OSVersion.Version.Minor &gt; 0) { // XP keyValue += "Windows XP Start.wav"; } else if (Environment.OSVersion.Version.Major == 6) { // Vista keyValue += "Windows Navigation Start.wav"; } else { // Don't know the file name so I won't be able to re-enable it return; } } else { keyValue = "\"\""; } // Open and set the key that points to the file RegistryKey key = Registry.CurrentUser.OpenSubKey(@"AppEvents\Schemes\Apps\Explorer\Navigating\.Current", true); key.SetValue(null, keyValue, RegistryValueKind.ExpandString); isEnabled = value; } } } } </code></pre> <p>Then in the main form we use the above code in these 3 events: </p> <ul> <li>Activated </li> <li>Deactivated </li> <li><p>FormClosing</p> <pre><code>private void Form1_Activated(object sender, EventArgs e) { // Disable the sound when the program has focus WebClickSound.Enabled = false; } private void Form1_Deactivate(object sender, EventArgs e) { // Enable the sound when the program is out of focus WebClickSound.Enabled = true; } private void Form1_FormClosing(object sender, FormClosingEventArgs e) { // Enable the sound on app exit WebClickSound.Enabled = true; } </code></pre></li> </ul> <p>The one problem I see currently is if the program crashes they won't have the click sound until they re-launch my application, but they wouldn't know to do that.</p> <p>What do you guys think? Is this a good solution? What improvements can be made?</p>
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