Version

IsWorkbookEncrypted(Stream) Method

Determines whether the workbook in the specified stream is encrypted with an open password.
Syntax
'Declaration
 
Public Overloads Shared Function IsWorkbookEncrypted( _
   ByVal stream As Stream _
) As Boolean
public static bool IsWorkbookEncrypted( 
   Stream stream
)

Parameters

stream
The stream to check for encryption.

Return Value

True if the stream contains a workbook which is encrypted; False otherwise
Exceptions
ExceptionDescription
System.ArgumentNullExceptionOccurs when stream is null.
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also