IsWorkbookEncrypted(Stream) Method

Determines whether the workbook in the specified stream is encrypted with an open password.

Syntax

Visual Basic

'Declaration
 
Public Overloads Shared Function IsWorkbookEncrypted( _
   ByVal stream As Stream _
) As Boolean

C#

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

Exception	Description
System.ArgumentNullException	Occurs when stream is null.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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