How To Suppress File Download Dialog Box When You Use a Pluggable Protocol Handler

This article describes how to suppress the File Download dialog box in Internet Explorer when you implement a pluggable protocol handler.

Internet Explorer displays the File Download dialog box when the protocol handler uses the IInternetProtocolSink::ReportProgress method to send a BINDSTATUS_CONTENTDISPOSITIONATTACH notification to the transaction handler. To suppress this dialog box, do not send the content disposition notification.

NOTE: This does not suppress the File Download dialog box when you run a hyperlink URL that ends with a file extension that Internet Explorer considers unsafe. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

For more information about developing Web-based solutions for Microsoft Internet Explorer, visit the following Microsoft Web sites: