Protect Method (Workbook)

public void Protect( 
   bool allowEditStructure,
   bool allowEditWindows
)

Parameters

allowEditStructure

Optional boolean indicating the new value for the WorkbookProtection.AllowEditStructure.

allowEditWindows

Optional boolean indicating the new value for the WorkbookProtection.AllowEditWindows.

When a Workbook is protected without a password, the end user may unprotect the Workbook in Excel without having to supply a password. To programatically unprotect a Workbook, one may use the Unprotect method.

When a Workbook is protected, the values of the properties of the WorkbookProtection instance from this Workbook's Protection property indicate the disabled operations.

Note: If IsProtected is already true, the method will be ignored.

Target Platforms: Android 4.4+, iOS 8+

Development Environments: Visual Studio 2015+, Visual Studio for Mac Preview, Xamarin for Visual Studio 4.2+

Reference

Workbook Class
Workbook Members
HasProtectionPassword Property
IsProtected Property
Protection Property
WorkbookProtection Class
Unprotect Method