FormTemplate.OpenFileFromPackage method

Office 2013 and later

Opens a file contained within the form template (.xsn) file.

Namespace:  Microsoft.Office.InfoPath
Assembly:  Microsoft.Office.InfoPath (in Microsoft.Office.InfoPath.dll)

public abstract Stream OpenFileFromPackage(
	string filename


Type: System.String

The name of the file to open.

Return value

Type: System.IO.Stream
The specified file as a Stream object.


An I/O error, such as file not found.


The parameter passed to this method is a null reference (Nothing in Visual Basic).


The parameter passed to this method is not valid. For example, it is of the wrong type or format.

This member can be accessed only by forms running in the same domain as the currently open form, or by forms that have been granted cross-domain permissions.

This type or member can be accessed from code running in forms opened in Microsoft InfoPath Filler or in a Web browser.