public IXLWorkbookProtection AllowElement(XLWorkbookProtectionElements element, Boolean allowed = true)
{
if (allowed)
{
AllowedElements |= element;
}
else
{
AllowedElements &= ~element;
}
return(this);
}
public IXLWorkbookProtection DisallowElement(XLWorkbookProtectionElements element)
{
return(AllowElement(element, allowed: false));
}
IXLElementProtection <XLWorkbookProtectionElements> IXLElementProtection <XLWorkbookProtectionElements> .DisallowElement(XLWorkbookProtectionElements element) => DisallowElement(element);
IXLElementProtection <XLWorkbookProtectionElements> IXLElementProtection <XLWorkbookProtectionElements> .AllowElement(XLWorkbookProtectionElements element, Boolean allowed) => AllowElement(element, allowed);
public XLWorkbookProtection(Algorithm algorithm, XLWorkbookProtectionElements allowedElements)
{
this.Algorithm = algorithm;
this.AllowedElements = allowedElements;
}
public IXLWorkbookProtection Protect(String password, Algorithm algorithm = DefaultProtectionAlgorithm, XLWorkbookProtectionElements allowedElements = XLWorkbookProtectionElements.Windows)
{
if (IsProtected)
{
throw new InvalidOperationException("The workbook structure is already protected");
}
else
{
IsProtected = true;
password = password ?? "";
this.Algorithm = algorithm;
this.Base64EncodedSalt = Utils.CryptographicAlgorithms.GenerateNewSalt(this.Algorithm);
this.PasswordHash = Utils.CryptographicAlgorithms.GetPasswordHash(this.Algorithm, password, this.Base64EncodedSalt, this.SpinCount);
}
this.AllowedElements = allowedElements;
return(this);
}
