Message Box hidden in Windows form. How to display message box in desktop <p>I have win form application. Main form to invisible mode. Only Loading Panel visible to user. </p> <p>Application using <strong>interop</strong> functionality. At the application running time show excel, word. after Excel or Word close event display at dialog box.</p> <p>The dialog box shown at Task bar. How to display at desktop. If I am giving to Desktop Only Mode. Yes or No button not working properly. Always press yes button.</p> <p>Need to show dialog at desktop</p> <pre><code>MessageBox.Show("Do you want save", "Confirmation", MessageBoxButton.YesNoCancel, MessageBox.Questions MessageBoxDefaultButton.Button1); </code></pre>